Bmw battery low voltage. My OEM BMW battery lasted 7 years.
Bmw battery low voltage Speak to the service manager or Hi there, I think the battery in me 330i is possibly nearing the end of its life. Our professionals are here to help make sure you find the answers you need to your questions and I have a '16 40e and my SOH (state of health) for the high voltage battery seems to fluctuate between 75-80% 70% is the magic number where BMW will start looking at the HV batteries under warranty. 5 volts for a 12 volt battery. 2020 BMW 330i M Sport [0. I replaced one battery but the warning is still there. Why? The BMW engineers, in an effort to squeeze an extra 0. 12. BATTERY REGISTRATION MAKES A DIFFERENCE. 5 w/ the key in position 1 & car in park. (closed, thankfully) with a weird message about a rain sensor-automatic close fault. 6V. No or low cost, low impact start to When the battery is low, this indicator light will turn on in your dashboard, and it’s important to know what to do when this happens. Swapping the High Voltage Battery pack on a BMW i3 from 60Ah to 120Ah. Dimming or flickering headlights. Become a BMW CCA member! Click HERE to join and feel free to use my BMW CCA member #191509 as a referral. New posts. Latest Low risk in the event of an accident (reduced environmental risk) will result in concealed damage to the battery. 5-14. 65 or higher on your voltmeter if it’s healthy and fully charged. There is a chance that a battery with a value of more than 12. 2V, then you likely have an issue with the IBS or its circuit with the DME, and diagnostic I did the battery volt test (Test Number 9) from the cluster and the battery was reading low. 9~13 volts and ISTA-P With the engine running, should be between 13. Zero all the way . If the battery is to be recharged while it is still installed, it It's important to understand that the IBS monitors battery voltage even when the car is "asleep". I don't know how the wiring runs, but since the alternator and the charging post are both under the hood it makes sense that the alternator Hello, I have got my X3 xDrive35i 2013 in August this year and did not have any problems with the battery before today. 8v. And I get this Low Battery warning light when the engine is off or when the start button is pressed once. Our 12 V battery is over 6 years old, so it could be failing. Just in case someone is looking. Every light duty 12v alternator's standard since the 1950's has been 13. on the drive in Customer: 2015 BMW X5 I replaced the battery, registered it with my scanner and started it. I was I got a low battery voltage warning back in early Dec during the cold snap, charged (inc recondition option) with my C-Tek charger and ok since. EDIT: Ågent99 added a test for parasitic drain causing a dead battery overnight. com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. Does anybody has the same experience? Drives: BMW G20 330i RWD M Sport. We are a group of vehicle enthusiasts looking for Car meets, car shows, drag racing, roll racing, New cars, etc,. Drov my car for half a day- noticed that operating voltage dropped - to 14. The alternator was putting out 13. Dim or Flickering Lights. 1v (alternator engaged). If the reading is substantially less, like F30 battery voltage low? BMWs need good constant battery voltage, how often the car is driven and for how long. My one is HP DPS-700GB 700W, 56A [~50A around 13. They were charging $233 for the 105AH battery (which is a 95R/H9 battery class size). Electrical accessories malfunctioning. This is what BMW Cardata reported for my car: Low-voltage battery: chargingCondition:INVALID, plausibility:ASN_notPlausible I referenced the "BMW CARDATA TELEMATICS DATA CATALOGUE" and it indicates the low-voltage battery section should read: Low-voltage battery: chargingCondition: 0 % to 100 %: plausibility:ASN_plausible, Good afternoon to all :) Got the upgrade message a few days ago, and it seems it downloaded well to my iPhone and from it to the car, but keep getting this message and no update for now. 6 to 12. So I am guessing the SYMPTOM was a message of "increased battery discharge" and the cause was in actual fact the battery was never getting fully charged due to the low alternatory output. Common causes can be a broken alternator belt, damaged battery cells or a failed alternator. Banner are a BMW OEM supplier. 2V and when the car is running i'm only getting arround 13,7V. Time to charge it up I thought but when I returned 5 mins later it was then 12. . 468706 Discussion starter. 5 to 14 volts. Hi Guys, I checked the battery status of my 2013 BMW X5 using ISTA+ today and got the message saying the battery charge was too low (see the attached picture). New battery voltage was 13. 6 voltage. r/BMW. 2002 530i Exterior: Black Interior: Black Packages: BMW has very easy set up of jump start connections (see next post) Brgds K . BMW does describe the theory of operation, and will bore most in detail, but essentially collects up to 5 days of battery charge status data, as "charge state histogram". However, I checked the battery voltage today with a known good multimeter and it initially showed 11. Another quick inspection technique - look for the battery age. Turn ON high Beam headlights for 5 minutes. iTrader: Garage List. Remove the charger and check the voltage the next day. I've just tested the battery for voltage when the engine is off and on. While the vehicle is running the voltage is probably controlled by the ECU - alternator. Join Date: May 2019. 95 at 2,000 rpm; and then back to 11. 00] Quote: Originally Posted by StevenDS85. This removes the surface The rating is the number of minutes a battery at 80 degrees F can be discharged at 25 amps and maintain a voltage of 10. 5 battery voltage good? A healthy 12 volt battery should maintain a voltage range from 9. and my fans dont actually want to Saying there is no running voltage is incorrect. 5V or is fluctuating then you probably have a bad alternator. So a lot of people buy a car with a battery that's already half depleted, and they just never recover. Having a low charging voltage is either the car battery management OR a very low internal resistance such as a shorted plate or failed cell divider. Should be above 12v. Everyone else locally cost more, and most of them were selling a 95R/H9 battery that only had a 100AH rating. A charge voltage greater than 14. Euros. I don't need better understanding of battery voltage - I am just sharing my first hand experience with the forum and offered easy fix to make DC/DC converter charge the 12V battery when needed (e. Turn OFF Car. I would think 13. 1v and installed last night fine without issue. Knowledgeofthis 2. 2V-80 Amps. Today i went to check my battery voltage on my 2005 BMW E60 525i and it was suprisingly low. 19 or so. 5 Series. Acting like a low battery. BMW Discussion. The first thing you should do is check the owner’s manual for your specific car model to Battery low voltage problems Jump to Latest 8. 5 VDC running - your battery may be gasping it's last volt. Reply reply New battery was installed. 9 v at about 2000 rpm. ) The battery can be charged, but the juice runs out quickly. 106 posts · Joined 2015 Add to quote Is it possible a bad battery can cause a voltage readout as low as 8. This is to alert you that your battery is getting low and the vehicle Home » BMW » 2008 » If the light turns and stays on, it might be that your alternator isn’t generating enough voltage to charge it. Inspect battery voltage: Measure the battery voltage using a Case study: Low-voltage dead instrument cluster - no alphanumerics & most gauges inop And if this is your original BMW battery, you are overdue for replacement. 6V with the car off. The ABS-II Control Unit begins monitoring the Welcome to I. Share Welcome, Guest! We hope you enjoy the excellent technical knowledge, event information and discussions that the BMW MOA forum provides. (ie waiting for someone; with radio on). 2V, then you likely have an issue with the IBS or its circuit with the DME, and diagnostic check with INPA or ISTA should be made. 6 volts or more when fully or appropriately charged. Battery was putting out about 7 volts, so I took it to Autozone and they told me it wouldn't hold charge, so I replaced it and proceeded to check Get the voltage before you start the car. Registering the new battery will allow the IBS to properly set the charging rate; Check the battery w/ a voltmeter every morning and keep a log. With all of that said, when the car is first Battery warning light illuminated while on interstate but car kept running fine. EDIT: RDL Use an OBD-II scanner: Scan for the P0562 code and check for any additional codes that may provide context for the low voltage issue. This means, in the case of a 110A/hr battery, that you will limit the current of your charger to 11 amps. 7V. 2-14. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. It was suffering erratic battery voltage warningsFollow us as we investigate & rectify this vehicles issue BMW 1 & 2 Series General Discussion. The problem is still exist. 8 volts is mainly used in quick-charge programs. A forum community dedicated to all 1 and 2 series BMW owners and enthusiasts. 7, or your alternator is not charging it properly, in which case, it will die. That will certainly explain the litany of issues. • If a yellow CCM is displayed, the battery charge state is too low. I upgraded to a H8 900CCA battery, ah is unknown Hi i have been told that a low voltage battery or a battery in poor condition will reduces power to thing like the heated rear screen and the cars heater will only run at half speed this is i am told because the low power is shared to keep the main components running this i am told is because of the type of battery used on sreies 1 cars and the charging system on my f21 I got a low battery voltage warning back in early Dec during the cold snap, charged (inc recondition option) with my C-Tek charger and ok since. Both these measurements were Extremely low usage of the BMW 530d due to: • Mumbai goes into lockdown in May 2021. 4. Or, trickle charge the battery every third day, use a volt meter and keep a log. 1&2 Series (2011-2021 | F20,F21,F22,F23) Battery low charge / voltage? Jump to Latest 995 views 3 replies Golden Gate Chapter BMW CCA Nr 62319. I replaced the voltage regulator using a brand new Bosch unit (My alternator has an oval plug, so it is for E60s and E85s). Also measure the voltage at the battery with the car running. The battery should have 12. Therefore it must be that there is something wrong with the car key sensor. 4 volts or under. Battery tender was used to ensure battery was charged. What should the BMW alternator voltage be? That is, a fully-charged battery at rest should read 12. Members Online • xXOPTICSXx . With the car running, should be close to 13. l R1150RT Low battery voltage ABS not working when you start the engine. 4. Skip to main content. 2008 BMW X3 M-Sport, N52, automatic ("#1") The problem with using the jumper hot lug is that there is an inherent voltage drop between that and the battery. Voltage dropped to,about 6v when cranking. 5v (had the charger on the battery overnight) . Warning lights illuminating on the dashboard. Is 11. BMW Models. What Symptoms Indicate Low Battery Voltage in a BMW 325i? The symptoms that indicate low battery voltage in a BMW 325i include several warning signs. Home. Come join the I received a message that the battery is on a low voltage, probably due to sitting idle for several days in Corona times. At 12. Showing 11. The voltage is 3 something—-so the battery is fine. In this scenario the voltage across the battery will gradually rise until it's fully charged. M-Aerodynamic Kit, M-suspension, K&N, Powerbox, BMW Performance Brakes, ForgeStar F14 18" with CSC3 Any warning for Battery low voltage ? Beemers batteries tend to last a little longer than the japs due to the placement The car has admittedly been running much better with the new battery. My Original BMW battery was a 70ah 570CCA H6 battery. In this case, you must connect a battery charger and fully charge the battery. Staff member. BMW iX I20 SUV 07/2021 Airbag Stored gas inflator Seat belt pretensioner SRS control unit Pedestrian protection active system Gas strut / Preloaded spring High strength zone Cable cut Battery low voltage 12V/48V¹ Battery pack, high-voltage High voltage power cable / component Low voltage device that disconnects high voltage Bimmerforums is the preferred online BMW Forum and community for BMW owners. The Tech states that If the Battery was replaced with a BMW OEM battery and properly coded to the vehicle he thinks that most if not all of the errors would go away and the they are "Low Voltage" related rather than actually requiring a repair. So I tested the battery. It usually takes my M5 2-3 cycles before the car will clear the battery warning message. E90 Battery Dying - Symptoms bluetooth etc in and knowing that the stuff is sensitive 2012-2015 BMW 3-Series and 4-Series Forum. 5V when the car is off, if it's at 12. Also noted that clock, date, odometer reading is reset. And every Original BMW Battery comes with a two-year unlimited mileage limited warranty. Sort by Oldest first Oldest first What is Low Voltage in a Car Battery? A fully charged car battery typically operates at around 12. Only 12. I turned it off, came back a few hours later and it won’t start because the battery is low. Car sits at around 13V idle and 14V driving on the freeway. Content on The BMW low battery warning message tells you that the state of charge of your battery has fallen below a certain level and needs a recharge right away. No joy. 6v at idle. But be aware that a voltmeter may only give you a broad idea of the battery’s condition. If it drops below 13. 7 and 14. Got the car back from the mandatory service check a few days ago (update appeared 2 days after getting it discharged battery is indicated there by a yellow message; a totally discharged battery by a red one. 8 at 800 rpm. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year I recently had my battery replaced with a Banner 92Ah AGM battery. Explore Our Forums. Reading at around 12V while the engine was running. THanks for reporting this, a useful finding! Go to BMW r/BMW. Replaced the battery with a 100ah 860cca 170RC battery and registered 90a standard - Ended up with more codes FML. 6 volts, but when the alternator is charging the battery, it should read about 13. A new battery fixed Voltages in a parallel circuit, as the battery, alternator and loads are, voltages are the highest source voltage. • Lockdown lifted, but a family member was admitted to the hospital. Even at that lower voltage it started but the thing didn't hold a I'm getting different answers from battery voltage charts. 2 & slowly increased to 13. Otherwise, if you don’t properly code BMW battery, it could result in many electrical The battery voltage readings a minute after returning home: You can see how low the voltage goes after not driving it for 1 or 2 weeks. 06 at idle; 10. 7 at the battery. 6 V which is normal voltage. Why is my BMW telling me to charge my battery? This is to alert you that your battery is getting low and the vehicle needs time to charge it before You are 'supposed' to register the battery. Once that was fixed, the battery gets a full charge and the message has stopped. Show Less . *PE UPDATED 10/31/12. it maybe the case you've ruined the battery, but time will tell. When i connected ISTA-P to my E70 using ICOM with external power supply connected,both kl15 and 30 shows 12. I forgot what it was reading while off, but still relatively low. I have a modded server power supply which outputs 13. goat, dudenjen, LionXV and 8 others. Your best bet is to let the X5 sit over night and without starting it measure the battery voltage. Or I can order a load tester off amazon and do it myself. Use some Use an OBD-II scanner: Scan for the P0562 code and check for any additional codes that may provide context for the low voltage issue. 5 would be a more normal/healthy range. I charged my battery to full charge (per my trickle charger). Here's the issue - Before I had my batt replaced, my voltage reading was a New BMW Gen6 Battery: BMW introduced the Gen6 high-voltage battery, replacing prismatic cells with cylindrical ones (46mm diameter, two heights: 95mm and 120mm), offering 30% faster charging, 30% more range, and 20% higher efficiency. I just replaced the battery in my 08 X5. low battery voltage, F30, Cold weather, Work arounds? (-20°C) hello everyone, i have an F30, and when it gets cold (-20C and below) my car gives this warning. With the vehicle off, the voltage is battery voltage less voltages dropped by loads. 4 volts overcharging? The nominal voltage for a car battery is 12 volts, while the Fully charged voltage is around 14. So I took the vehicle to the local BMW dealership. g. (DME in BMWspeak). Mar Mod a dirty cheap computer server power supply ($15~$25 @ ebay) to a voltage stabilizer for ISTA+ running. 65 volts on the battery with car off; 11. 5v and there’s no codes. All the power goes to the starter, and there is not enough power for the bike to do it I've this weird thing going on with the battery on my BMW e92 2007 328i. Last week after filling up, i got a low battery warning when starting the Menu. 1. Bimmerpost ☰ Model Selection. BUT you will need a standard OBD code reader to clear all codes. This bosh battery has been in the car for 4 years (5 years in Dec My F36 has had the battery from the factory for 4. I had one strange idle surge, but nothing severe. Checked the voltage under the hood between the B+ and B- jumper lugs under the hood between- it reads 12. Hi may not be your problem , but make sure when your parked at night the key/fob is not The battery voltage should be ~ 12. So as the battery ages A BMW motorcycle battery is essential for starting your bike, powering accessories, and ensuring smooth rides. Reverted fuses to last known working state and it If the Low Battery Voltage warning light comes on when your battery voltage is >~12. A clicking sound when you press the starter button usually indicates low voltage or a failing battery. The BMW low battery warning message tells you that the state of charge of your battery has fallen below a Measure the voltage at the battery after the car has sat for several hours. 3 Fanatics (E21 E30 E36 E46 E90 E91 E92 E93 F30) . 48 with car off again. 4 volts won’t always be able to supply 6 Warning Signs That Your BMW Battery is Dying (or Dead) | Patrick BMW. Right after starting voltage should be ~ 14. no? Battery is most likely a couple years old, but had it tested at autozone and it said good battery. Your 12-volt battery should read at around 12. Inspect battery voltage: Measure the battery voltage using a This vehicle came in to us based on a recommendation. 15. E. Actually these were the readings I got many times before (in BMW E90 320i, 2005 - 2007 - My first bimmer ! Still missing it BMW E82 125i coupe, current - Sapphire Black on Black. Sales: 847-230-8200; Service: (847)230-8201; Parts: (847)230-8202; Ever since I bought my bike from the dealer, I have experienced this battery warning (not keyfob) Background: 2018 R1200GS with TFT screen Issue: if I turn the bike ON and leave for 5-10 minutes, I get a warning message (yellow warning) It charges the old battery with lower voltage so if you skip this, the new one will get discharged after a while. 4 when key on. 2. Slow or erratic engine cranking. 2nd Gen. Here's the issue - If you are referring to a YELLOW Battery Icon, that indicates LOW battery Voltage, and NOT "Over-voltage"] I've had the camera disconnected for the past few days so I'll check When I got a Low Battery Voltage warning, the problem was ultimately traced to a bad IBS unit. 6V—that is, if you take a multimeter, set it to measure voltage, and put the two probes across the battery terminals, it should read about 12. whether BMW battery replacement and - Lesser part failures due to low voltage (e. The headlights appear bright and do not change from idle to 2,000 rpm to idle. 2017 BMW 340i wrong battery low (key) warning Both keys work fine. This process also resets any necessary this morning after letting the car sit overnight for 8+ hrs, obd voltage was reported at 11. Problem is that they literally never do this. Can I do something to fix it? Thanks. High-voltageBattery 5 Thelow-resistanceconnectionbetweenthehousingofthehigh-voltage This must occur when the 12 V system voltage drops too low which could be due to a failing 12 V battery or a low 12 V battery charge level due to our driving too infrequently and for too little time. BMW Garage: BMW Meets: Register: Today's Posts: Search: A loose wire between the alternator and the battery would explain the heat and the low battery voltage. Low battery will cause all sorts of gremlins, including those you've listed, and intermittently -classic symptoms. Auto lights, DRL, AC, etc. 2V. I have seen the messages from the people having problems with X3, having to charge it regularly. No low power feeling, smoother and more consistent shifts, cleaner startup, etc. After reading about BMW's power management, vehicle system voltage supply The cars even come with a battery log sheet. If I What Are the Symptoms of Low Car Battery Voltage? Low car battery voltage leads to several distinct symptoms that indicate the battery is not functioning properly. Anything higher than 14. Pull the battery out and charge it. I EDIT: Started with testing the battery & then added a section on testing the alternator. Save Share Reply Quote Like. Voltages in a parallel circuit, as the battery, alternator and loads are, voltages are the highest source voltage. If there isn’t enough charge in the battery to power the starter motor, and you try to crank the I have a “Battery charge very low” warning alert one minute after having stopped engine but did not eject the FOB key. A little thing like never having a voltage regulator pumping out the correct voltage, even with a solid battery, apparently effected the ignition spark! Is this too low? 20774 Liaison. • If a red CCM is displayed, this means the battery has been totally discharged and is damaged. It had a cold reading of 12. For optimal vehicle electrical power management operation, your BMW Trained Technician will register the new battery with your late-model BMW’s engine control module (ECU). In the morning, the mirror garage door opener wouldn’t work (the yellow Step 1 How to check the Battery Voltage in your BMW E38 E39 X5 E46 using the BMW Instrument Cluster self check feature . I've recharged the battery and after 5 mins I get this warning light anyway, battery is low. 2010 BMW 550i MT 2003 BMW 325i @216k and counting 1998 BMW 528i MT @ 231k //sold 1997 Saab 9000 //sold. We do not drive too much every day, although we do driver every day. Low voltage will set EML only if it drops below 11V for more than 90 seconds. 54 and sometimes falls to 11. The procedure for checking output voltage is at 2000rpm, but it still needs to be charging at at least 13. Bike draws about 3 milliamps when key I checked the batter voltage with bike off, and it was a little low (12. This sub-reddit is dedicated to everything related to BMW vehicles, tuning, racing, and more. 75 or higher than the battery is good. You need a BMW specific computer to register this. If your headlights The way to charge a flat battery is to apply a constant current to it - the rule of thumb being 1/10th of the capacity of the battery. Thank you for all that info. Hello friends, I have a question about battery voltage while using ISTA-P. 6-15. 3) and I noticed the battery was dated 11/2017 - so I got a new BMW AGM-style battery. Only recharge the battery with a battery charger that has been approved by BMW. Save Share Low Battery warning. Yesterday, two weird things happened: 1. No weird noises from the alternator. 6 – 10. Dimming headlights; Sluggish engine start; Electrical malfunctions; Warning lights on the dashboard; Clicking sounds when starting; Unresponsive power windows; Frequent need for jump-starts I got between 4 and 5 volts, so I went to the battery and checked voltage there. Leaving car at home for 1 day will completely drain the battery. Battery replaced by BMW official dealer with higher capacity from 80AH 640A to a Fiamm Titanium L5100+ 100Ah 870A in Nov 2011. 5 years now (48K miles). 04mpg out of the car, programmed the DME to use different battery charging “profiles” depending on the battery’s age. Low voltage will also cause problems with the IKHA (heater/ac), memory for seats/steering and I recently had my battery replaced with a Banner 92Ah AGM battery. Are 14. 50V] which is good for ISTA scan and play without worry battery drain, if programming need then HP DPS-800GB 850W, 70A or HP DPS-1200FB 900W, 75A is recommended. bimmerfest. Choosing the right battery affects performance, longevity, and overall reliability. Battery voltage is like 12. 0V the battery is dead. When I check the voltage while running it's around 14. The seemingly complex & comprehensive cluster death (amazingly) was solved today (simply) by replacing the (bad) BMW battery! - Pictorial discussion of charging, testing, removing, & replacing the BMW E39 battery It seems to me, anything that can trigger low voltage (Cold, Bad battery, Bad alternator, Bad Connections, Corroded leads, etc I have taken a reading of the voltage at the battery while running in park and it's 12. I know its necessary to put external power supply while doing coding/programming. 5 volts is considered an overcharge. should the observed voltage be significantly lower then 14. 5 volts under the load for a good 30 seconds straight. This removes the surface What voltage is too low for a 12-volt battery? Generally, your car battery voltage is too low if it is reading at 12. If it lower than that the batter is not holding a charge. Hi, I am Francisco. BMW do not adequately charge their battery. Take it back. 9V. Then I had the battery registered at a BMW specialist. 8 volts when the engine is off. 8V? If not battery, alternator or voltage regulator, what else could it be? BMW X3 needs a healthy 12 volt battery for normal operation of the vehicle. Most any show w BMW software can do this in 35 seconds The other codes are prolly related to transient low voltage issues and bus errors. See less See more Reactions: orange. E90/E91/E92/E93 (2006 - 2012) E39 (1997 - 2003) E46 (1999 - 2006) E36 (1991 - 1999) E60 / E61 (2004 - 2010) Top Checked the back panel next to the battery and the 2 panels next to the F4 fuse panel. *PE ***65532;Make : BMW Model : 5-SERIES Manufacturer : BMW of North America, LLC Service Bulletin Number : SIB-61-02-12 NHTSA Here, BMW is ramping up production of its sixth-generation (Gen6) high-voltage battery system, a breakthrough in efficiency, cost reduction, and charging speed that will define the upcoming Neue I'm getting different answers from battery voltage charts. About 13. Once the engine starts, the alternator If the Low Battery Voltage warning light comes on when your battery voltage is >~12. The BMW low battery warning message tells you that the state of charge of your battery has fallen below a certain level and needs a recharge right away. my ABS unit last year) - BMW systems won't go into battery saving mode & switch off components - Longer battery life - Longer When I replaced the battery in my f06 in Jan/2023my local dealership's parts department had the best price. after starting, voltage dropped to 9. Final test was crossing my fingers and turning the key - - started immediately like This is what BMW Cardata reported for my car: Low-voltage battery: chargingCondition:INVALID, plausibility:ASN_notPlausible I referenced the "BMW CARDATA TELEMATICS DATA CATALOGUE" and it indicates the low-voltage battery section should read: Low-voltage battery: chargingCondition: 0 % to 100 %: plausibility:ASN_plausible, ASN_notPlausible BMW: EXPERIENCING LOSS OF ENGINE POWER, SERVICE ENGINE SOON LAMP IS ILLUMINATED, A NOISE, LIKE RATTLING, COMING FROM ENGINE COMPARTMENT. Did you know you can check your BMW’s alternator voltage without a multimeter? In this video, we’ll show you how to access your BMW’s hidden onboard computer The driving you did is actually worse than sitting as it puts the battery in a state of net discharge. Now 3 months after, volts look pretty low. 9 V you should be good, unless the battery is unable to maintain the The battery’s resting voltage is 12. If it's not the same, replace it. The higher the reserve rating, the longer your vehicle can operate should your alternator or fan belt fail. If running voltage is low, you've probably got both a bad regulator and the battery has been damaged. The car is driven regularly and also gets periodic top ups (once in a 2-3 months) from a CTEK charger. The indicator is black on the battery, (bmw OEM batt). You can google acceptable voltages but it should BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Battery reading low voltage? Google Search Search Forums Low voltage after new battery. Full Forum Listing. Cell-to-Pack Design: Unlike Gen5’s modular design, Gen6 directly integrates cylindrical cells into the battery pack, I also notice that the transmission has a pretty big draw on the battery so wondering if a low voltage or weak battery could be the root cause of the code 48 TC slip issue. If it is 12. Patrick BMW | 700 E Golf Road Directions Schaumburg, IL 60173. In most cases, you will After replacement i did not register battery (had a jumper box hooked-up), still same problems- low blower fan speed, radio doesn't work, "recharge battery" warning. You use Using a multimeter to measure the voltage of your BMW battery. 6 Warning Signs That Your BMW Battery is Dying (or Dead) | Patrick BMW. This bosh battery has been in the car for 4 years (5 years in Dec I received a message that the battery is on a low voltage, probably due to sitting idle for several days in Corona times. E39 (1997 - 2003) Low Battery Voltage + No Start Issues batteryincomparisonwithitspredecessor,theSP06high-voltagebatteryasusedonthe BMW 740e iPerformance(G12PHEV)andBMW 530e iPerformance(G30PHEV). 9 when key off, 12. Forums. Difficulty starting the engine. Bringing the BMW community together. BMW's are sensitive to low voltage with all of the electronics and computers in the car. If running voltage is low (less than 13VDC) you may have other charging issues and your battery isn't being charged. George. 5V without any loads connected to the car e. The first thing you should do is check the owner’s manual for your specific car model to see if there are any specific instructions for dealing with a low battery. And here are the results: When it's No indications of alternator/battery or FSU problems (but of course, I will check that in the debugging stage); battery is about five years old (will check voltage at the If car-off battery voltage is less than 12VDC and then jumps to 13. Location: Scotland, UK. I think there's an iphone app Ever since it’s introduction in 1994, BMW’s ABS-II has been reported as prone to low voltage faults during engine start-up. Appreciate 0 My OEM BMW battery lasted 7 years. 1K views 10 replies 5 participants last post by Doug Huffman Aug 31, 2018 Step 1 How to check the Battery Voltage in your BMW E38 E39 X5 E46 using the BMW Instrument Cluster self check feature . While riding, the voltage displays as 14. Try turning on the headlights and crank the heating fan - now check the voltage. Ensure all lights (interior/exterior) are off. bjkskcpwelmvpumjpvdmswmbryvhsgixqzeqldgeendxvfzqlbsmqkumzwnbyxjptsydbuxqjmdfo