BMW has sophisticated technology that requires specialized certification to properly repair. An experienced BMW mechanic will have the knowledge it takes for a complete and successful repair. For example, a battery change can cost $400 because the mechanic needs to register the battery to the engine control module.
Can I replace my BMW battery myself?
Many people wonder though, whether BMW battery replacement and registration is a simple DIY process or has to be done by an expert technician. We say: you can definitely handle the replacement on your own!
How often do BMW batteries need to be replaced?
about every three years
How do I know if my BMW needs a new battery?
Your car requires a lot of power to run, and the battery is responsible for providing that power. If your car is slow to start, cranks when it starts or is not starting at all, these are all signs that your battery needs to get replaced.
How long does BMW 3 Series battery last?
three to five years
How do I know if my BMW battery is dying?
- An engine that cranks, but isn't able to start.
- An engine that refuses to crank or start.
- The lights won't come on.
- Intermittent starting, i.e., one day your vehicle will start up fine, and the next it refuses to start, indicating an unreliable battery charge.
Does a BMW battery need to be programmed?
The model and power of the battery determine the charging curve and therefore the correct battery has to be programmed into the ECU to prevent damaging the battery by charging too fast, too slow or overloading the battery.
How do I change my BMW battery?
- Park your BMW.
- Locate the battery.
- Use a 10mm wrench to disconnect the negative battery terminal.
- Disconnect the positive battery terminal.
- Remove the battery bracket.
- Now it is time to remove the old battery.
- Install the new battery.
- Secure battery.
What happens if you don't program BMW battery?
What if I skip programming or registering my new battery / Is registering a BMW battery necessary? Skipping this step WILL shorten the life of the battery as well as potentially damage your vehicles electrical system. The new battery will become overcharged as the car still thinks the old battery is installed.Feb 3, 2017
How much does BMW charge to replace a battery?
BMW battery replacements typically cost between $300 and $500 with parts and labor.
What battery does a BMW 3 Series used?
BMW Battery Size The most common battery on BMW vehicles, including 3, 5, 7 series, X3, and X5 are BCI Group 94 49 H8 batteries.
What type of battery is a BMW battery?
The BMW uses a lead-acid battery. You have two types to choose from: Gel or absorbent glass mat (AGM). The manufacturer recommends that you replace the OEM battery with an OEM AGM battery. Most of the BMW models use either advanced or performance batteries.