For example, if the technology or battery capacity are not entered correctly, the BMS cannot use the correct algorithm. Info. The correct battery for BM's with this start/ stop feature is of a higher amp/hr rating. I usual go into panic mode … Booked in for a … Get Inside the Car. BMW auto start function does not work if you are driving at speeds less than 5 mph or about 8 km/hr. The normal charging system of the vehicle usually reduce the life of unregistered batteries by allowing an aggressive battery charge especially in a cold weather condition and also damages the control unit. Anyone knows whether a wrong battery replacement will cause this kind of problems and issues. BMW Software Upgrade Service (includes Engine and Transmission ECUs), Codewerx BMW E, F & G Series Engine Custom Performance Tuning, The car is coasting (manual transmission), Brake vacuum reading is too low (manual transmission), Insufficient brake pedal pressure is being applied to hold the vehicle stationary (automatic transmission), Stopping on a hill/downhill with a 12% or greater gradient, If the steering angle is more then 6 degrees, If the steering wheel is still be moved after approximately one second of coming to a stop, The system has not yet be activated by going over a speed of 5mph for automatics, 3mph for manuals since the last engine switch off, If the gas pedal is being pressed (engine must be at idle speed only), If Hill Decent Control (HDC) is activated, if the grade of the fuel is too low for the engine, Transmission adaptation is active (automatic transmission), The hydraulic pressure accumulator is not yet up to pressure (automatic transmission), Stop-and-go traffic - system is only activated by driving over 5mph for automatics, 3mph for manuals, Outside temperature is colder then 37.4 F / 3 C, Outside temperature above 95 F / 35 C and the air conditioning system is on, Fogging of the windshield is detected by the IHKA system, Climate control system is on but passenger compartment has not yet reached desired temperature, ABS system was used when coming to a stop, The transmission was shifted from D to P and subsequently back to D, Outside temperature rises above 95 F / 35 C and the air conditioning is on, Fogging of the windshield is detected by the IKHA system. Waited 45 minutes. by Jason Gordon. If they are expert in bmw they should have told me and their mechanic who is testing and checking my car and running my car out for test drive couple of times from morning till 3pm. The car underwent some reprogramming as part of a campaign / service bulletin. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. The battery starts the truck fine, but I think it is defective because the Battery Tender Jr’s monitor light stays red, never switching to green as it does with my other batteries. BMWs are sophisticated cars. The control unit detects the number of starts and the energy flow, monitors the state of charge and controls charging. #2 • Mar 26, 2012. 1,117 Posts. Buy BMW, don't like save $$$ hor. (unless I stall the car as I stop) When comuting into London (St Albans to Walthamastow) not only does stop start save fuel as its more stop than start on the last 11 miles it also cuts air polution .Some big cities will soon introduce laws that will say you can not have the engine running while … I have a 2012 BMW X1 diesel which as far as I know is still on the original battery. You’ll know the stop-start has stopped working because an A in a circle with a line through it will appear on the dash. Battery registration is a must after each battery change and has to be handled right after battery replacement, so make sure you’ll be able to do it all in one day. Your BMW auto engine start may not work in several situations. When a start-stop battery is replaced, the energy management s system is programmed by the diagnostic device in the workshop. But this situation really gave me the bad experience that an established and reputable workshop do not know the technicalities of how a bmw will behave after battery change especially the start stop feature with their most experienced mechanics serving me. 18 Posts . Tap to unmute. Checked the alternator excitation and target setpoint values ? This type of battery failure will lead to loss of vehicle functions (including Start-Stop). They cited battery need to charge for one to two days as new battery charge is low. If a standard flooded battery is fitted to a Start-Stop vehicle, it will most definitely fail very early. After which, press the Trip button a third time. If it still doesn't work, may be the following items spoilt.. BMW Modifications | Accessories | Upgrades, Live your life the way you want it, and not live the life of other's. To fix this problem, replace the battery in your key fob. Default coding the unrelated ECUs won't help ... That's why a reputable workshop should know all these I reckon. With brake on, idled engine for 1 minute each with Trans in: Reverse, Drive, OD, 1st. Started AC. I would rather have that ASS function disabled though. Your BMW instrument cluster may display a symbol stating READY, which means the car is ready to start the engine automatically. BMW Software Upgrade Service (includes Engine and Transmission ECUs), Codewerx BMW E, F & G Series Engine Custom Performance Tuning. If you change the battery you will need a recode from BMW to tell the car that you have a new battery as it is a smart charging setup. 5. After battery change, it needs to be programmed want hor. If playback doesn't begin shortly, try restarting your device. BMW key fob battery replacement is usually quick and painless, and so is programming a new BMW key. Frustrating to … Reconnected battery – positive first, negative second. A start-stop battery is a part of the on-board electronics and is linked to the vehicle electronics via the Battery Management System (BMS)and the battery sensor (EBS). In a bulletin issued to its 300+ dealerships in the U.S., BMW gives the permission for engineers to deactivate the auto Start/Stop settings. If yes go change back ur old battery demand refund and call pml say ur car cant start. Videos you watch may be added to the TV's watch history and influence TV recommendations. Turn on the Ignition. I pulled the battery from the K1200lt and charged it. Keep key held in place and push start button of car. Incorre… Even if that doesn't fix the problem, you'll have a safe, fresh battery once you do get your locks working again. Copy link. Nothing mentioned as alternator excitation and target setpoint values....... For sure they resetmy ecu cos all the user settings such as daylight are in factory mode as unselected. The location of the fuse box on a BMW. i think registering your battery might help. While I lost so much confidence that I don't even want to take the risk to go for lunch and monitor the whole situation. The other problem I'm having is the LCD screen on the radio only works some times but the radio still works do you think these problems are related to each other or are the separate issues. As soon as I dipped the clutch the engine started back up. And this did not help to restore the ASS. BMW won't start asking for code. Thanks..... Don't know whether the mechanic knows this. 2. Try jump-starting the car or replacing the battery. Once your window is all the way down, hold the button down for 2-5 seconds before releasing it. Mercedes Start & Stop Not Working? Drove for 10 miles. Coopers of Tunbridge Wells looked at the car and recharged the Battery over night. BMW auto-start function does not work if you drive at speeds less than 5 mph or about 8 km/hr. Up next in 8. After the battery tender has raised the voltage to more than 13 volts, the instrument panel’s Trip/Fuel menu, when placed on the Auto Stop/Start sub-menu, will say “Normal Operation”. List … Depending on driving patterns, failure could be within 2-4 months of installation. How to Reset a BMW Computer. Might not be the battery. They think they are experts and always like to bluff customers. Share. Once you change the battery, insert the key in the key slot to start the engine (don't use the Start/Stop button). www.bmw.com. After that, I noted that my wiper fluid (at the headlights) and ASS stopped working. Here’s what I did to resolve the problem: 1. The clicking usually mean the battery does not have enough amperage to turn the motor. As I always believe to sort things out with the workshop first and giving them a chance to rectify the issue. 6. For a better experience, please enable JavaScript in your browser before proceeding. Stop-start is clever enough to monitor the battery and how much current is being drawn from it. Discussion Starter • #1 • Jan 10, 2010. Find out why this may be a waste of money. Lol I suspect could be other reason that caused it. The wrong battery technology causes problems. It would be a good idea to double check the connections on the battery to make sure they are tightened down all the way. The AC actually worked when I started … Under warranty? You're signed out. Did anyone experience this when the original bmw agm batt was changed out wrongly to a non agm and then the start stop cannot work. Sent from my iPhone using Tapatalk If still does not work then probably need to … If you skip this step, the stop/start system might not work and the battery’s operational life could be shortened or system faults could develop. Actually it's Easy for a boss to set up a ws and call themselves BMW specialise. 4. What kit have you switched on? Ignition should now come on or if auto and you have foot on brake, the engine should start. Non BMW specialized workshop, just my simple trusted workshop at petrol kiosk. Hmm.., I changed to a non AGM battery on my F10 528 but my auto start stop function is still working. Disconnected battery – negative first, positive second. I have this auto Start/stop feature and I find it a nuisance. You've fixed the problem, and you can go back to using your key fob as normal. JavaScript is disabled. You must log in or register to reply here. A further cause could be that when it was replaced, the battery was not correctly registered by the vehicle. Shopping. Press the Lock Button on Remote. Older BMWs have it in the trunk near the battery, so check both these locations. You need to press and hold the “Trip” button on the instrument panel until the red light comes on. This will be done through the on-board diagnostics port. My ASS also stopped working all of the sudden after sending the car in for servicing at Munich. Problem Solved... - YouTube When waking up to a dead battery and you cannot start your BMW anymore, many people rush to buy a new battery. Hi new to the forum. Thanks for your suggestions. Workshop just told me need longer time and cannot determine how long to localise the fault. Stop start waorked occasionally when I first got the car but has not worked (has not stopped the engine) for about a year now. Strangely just got my V8 M3 back from a brake fluid change and its first MOT (turned 3 years old). Why is my Auto Engine Start/Stop not working? If you don’t currently have a working BMW key fob, you should take the following steps: Idled engine for 1 minute. This problem is most often caused by a weak battery or a detonated Battery Safety Terminal. I have no worries about this as it's utterly useless and puts extra wear and tear on other engine components (in my opinion). Your BMW instrument cluster may display a symbol stating READY which means the car is ready to start the engine automatically. Most BMWs have the fuse box located in the glove box compartment. BMW auto-stop does not work on reverse gear. When you have maintenance done on your car like an oil change, the mechanic will reset the computer to start counting again till your next service time. If the battery is not even registered as new by the … If playback doesn't begin shortly, try restarting your device. My ride is F30 328i. Many BMW automotive shops have experienced diagnosis issues by customers who fail to reset and install the BMW computer after battery change in less than a year. I would avoid those so called reputable ones. If you replace the battery, leave your BMW disconnected for a long time, or replaced the instrument cluster, the car may not start asking for … Watch later. NOTE: Before you even start replacing or registering your battery, purchase our service of Battery Registration and set a preferable date in which you could replace the battery and register it at the same time. Next, press a window key down to lower one of the windows all the way. In fact, most of the diagnostics and displays are run by computer. If it’s cold and you’ve switched the lights, wipers and heater on it … A few days later the warning light came back on. Hmm.., I changed to a non AGM battery on my F10 528 but my auto start stop function is still working. Next, press the Trip button a second time and then hold until Reset appears. 3. You must log in or register to reply here. BMW Mechanic: Roger. BMW Radio Not Working After Dead Battery Fix. I do not like to highlight the workshop here. If you’re lucky, it might just be a fuse, and if you’re not, then this will just have to serve as a lesson as to how important it is to hook up jumper cables and battery chargers correctly. BMW Modifications | Accessories | Upgrades. Idled for 1 minute. The fan requires a large current, so that the start-stop function is not activated. To start, you’ll still need to program the key fob once it arrives at your home near Decatur or Pekin. That fact that it is hard to start makes me think there could be a leakage in your electrical system... some high resistance connection somewhere! And I am counting down the days that the workshop should at least call me to check out whether my start stop feature is working or not. Your BMW auto engine start may not work in several situations. Replace the batteries inside the key fobs. , BMW Master Tech replied 9 years ago. If your car key remote works after replacing the battery, then you’re done. L. I decided not to name the workshop as I am giving them a chance to rectify this. My 2011 Mini Clubman D has now covered 65k(BMW Engine) and the stop start is not working . If you still have a working BMW key fob, your process will be different (jump down to our next section). Advise from workshop to let it run for a few days mentioning the battery charge is not enough for the start stop to work. It's one of the bmw specialist workshop here and whole morning till now they are still checking and cannot localise the problem. Most electrical problems can be easily fixed by checking the following: The wiring in the the trunk that is attached to the battery. According to the BMW web site, "The Auto Start Stop function automatically switches off the engine when the car is at a standstill and in neutral, then restarts it as soon as the driver presses the clutch pedal again." Was MoT'd at BMW dealer and the stop/start has stopped working since. Iv got a similar problem iv had my 1er for 2 weeks now and the start stop has never kicked in apart from when I stalled. Finally, once the battery has been changed, reset the battery management system (BMS). With a new battery it should have enough amperage. Outcome the battery was NOT faulty so no claim could be made under … They did acknowledge that they change the wrong battery (non agm) but not sure why the start stop cannot work despite putting in the new correct agm battery and even trying the original old bmw agm battery back to test. Therefore the clever computer keeps the engine running until it’s at an optimal temperature. The stop start function rarely worked, then just over 3 months later the battery warning light came on. Put parking brake on. If you need to reset a car's automatic window after replacing the battery, start by turning the key in the ignition to the “run” position so that the vehicle's electrical components come on. The car is due back and bmw … I have been dealing with this for two weeks now. For instance, if your radio stopped working after a botched jump start, the radio—and other delicate electronics—could have been fried. I must say after the end of the day the workshop concluded that the car need to run a day or 2 to make the feature work again is a disappointment to me too. Coopers Tunbridge Wells had the car back in a few times, the battery was tested etc.
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