How To Register A New Battery Bmw E90
The new battery must be registered with the car s computer or it will have a shortened life span not power your car properly and not receive proper charging.
How to register a new battery bmw e90. The engine shouldn t be running. The new battery will become overcharged as the car still thinks the old battery is installed. The new battery must be registered via the bmw diagnosis system. Bmws equipped with an ibs need to know when you replace the battery battery capacity and battery type must be registered. This can potentially cause damage to the car s alternator.
You do need to register battery replacements on bmws with an ibs. All the dashboard lights should turn on. Bmw battery registration is required in the following vehicles. Don t press the brake pedal when pressing the start button. If it is incorrect you need to code the cas klasse batterie ah to your battery specification.
The electrical system in a bmw car is complicated and operated by sophisticated electronics. You won t be able to perform the bmw battery registration procedure if the engine is running. If you have a push start button press it a couple of times. Bmw battery registration in the ecu after battery replacement your ecu needs to know various parameters if you put in a new battery in your car so that it kn. After installing a new battery the service function register battery replacement must be run.
Once you have coded the module re register your battery using the inpa or ediabas tool32 software. Why do i need to register a new battery. The last step is to register the new bmw battery. Any bmw dealership will be able to program or register your new bmw. Bmw rheingold ista 4 07 22 4 03 21 free download win7 win8 win10.
Under the pm field option look at the ah reading registered to see what it s set at to charge your battery at present. Your car may also throw off warning lights as indicators of these issues. The short answer is that bmw designed the charging system with an algorithm that varies the rate of charge by the age and type of the battery installed. Msd80 select f5 status select pm ibs select pm field 2. Registering a new battery resets the algorithm back to optimal charging voltage for the specified battery.