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Do you have to register a new BMW battery?
Every time you replace the battery on a 2002 and newer BMW, you need to register it, which is a straightforward procedure but requires a BMW scanner.
What happens if I don’t register my new BMW battery?
If you don’t register the replacement then it will toast the new battery for similar reasons to Car 1 but even worse as the charging profile will be for the incorrect type battery and cause even faster battery failure. In this case you MUST use a ‘conversion’ to change the battery type. Then, register a replacement.
How important is BMW battery registration?
A BMW battery needs to be registered so that the engine control module (known in BMW terms as DME – Digital Motor Electronics) can properly charge the battery. Skipping the battery registration procedure can cause the new battery to fail prematurely.
Is it necessary to register a battery?
Why is a BMW battery registration necessary? If you completed a new car battery installation, it’s vitally important that you register/reprogram/reset the change with the vehicle’s computer system to let it know it’s a new battery and to erase its old charging pattern memory clean.
How much does BMW charge to replace a battery?
BMW battery replacements typically cost between $300 and $500 with parts and labor.
How to register a new BMW battery after replacement?
After installing a new battery, the service function ‘Register battery replacement’ must be run. The registration of the battery replacement is required to inform the power management (software in engine electronics and intelligent battery sensor) that a new battery was installed in the vehicle.
What should I look for in a new BMW battery?
Conventional wisdom when it comes to choosing your new battery goes that the perfect replacement battery would be the one with very similar specifications to your old battery. Hence, it should be of a similar type and capacity.
What happens if you don’t change the battery on a BMW?
You register replacement to let the car know that the battery is new and the charging profile is adjusted accordingly. If you don’t the vehicle will charge for an old battery and cause premature failure. You fit an AGM in place of a Standard LA battery (or vice versa).
How long does it take to charge a new BMW battery?
After a battery replacement, the vehicle must be left standing for at least 3 hours with its new battery. It is not possible to establish with any reliability the state of charge of the new battery until that time.