
Table of Contents
Does a BMW need a special battery?
Conventional car batteries can be used for BMWs with average power requirements. Therefore, you don’t need a specific BMW car battery if your car doesn’t have sophisticated car accessories or a start-stop system.
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!
What type of battery does my BMW have?
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.
How much is a BMW battery?
How Much Does a BMW Battery Cost? The cost of parts and installation will vary between models, but your BMW battery replacement cost will likely come in between $300 and $500 when you factor in parts and labor.
What happens if you dont register a BMW battery?
If the battery replacement is not registered, the power management will not function properly and can lead to functions being limited by individual electrical consumers being switched off or having their power consumption reduced.
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.
How do I reset my BMW after changing the battery?
- First of all, turn the ignition key of the BMW car to the accessory position once the lights and radio are on. You have to do this before starting the vehicle.
- Again, press the “Trip” button and hold until Reset appears.
- Then, press the same button for the third time.
Is it safe to jump start a BMW?
DO NOT jump-start the car and DO NOT let any roadside assistance service install a new battery in your BMW. It can be the most expensive battery or jump start of your life.
How do you know if your BMW needs a new battery?
- Dimming headlights.
- More frequent need for engine revving or jump starts.
- Takes longer to start the engine when you turn the key/push the button.
- Unusual power fluctuations.
How do I know if my BMW has an AGM battery?
On to the type of battery which is very simple to determine with factory original BMW batteries, a white battery is a standard lead acid battery, and a black battery indicates an AGM (Boron-Silicate absorbed glass mat).
Can you charge a BMW battery from the trunk?
I have mine installed in the trunk. From a charging standpoint, it’s always best to have the charger as direct to the battery as possible. The positive lead should connect to the battery terminal and the negative lead should be connected to the chassis, not the battery.
How many batteries does a BMW have?
They all have two batteries.
Why is a BMW battery so expensive?
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 you jump a BMW battery?
Now that both models are in position, here’s how to jumpstart a BMW: Remove the covering from both batteries and identify the positive and negative terminals on each. Attach the first red clamp to your BMW vehicle’s red (positive/+) terminal. Hook up the second red clamp to the positive terminal on the working battery.
How do I register my BMW battery at home?

How do I reset my car after replacing the battery?
- Detach the battery cable for two to three minutes.
- Reconnect the battery and start the car.
- Drive the car for at least 10 miles to let the engine control units find any potential problems.
Do you need to reprogram car battery?
Changing the battery has nothing to do with programming a battery. If the car was flat dead with a battery that lost all of the power because the dome light was on, then when jumped the vehicle will run fine. What may need programmed when the battery is replaced is the key fob.
What are the signs of a bad battery?
Bad Battery Symptoms If the cranking of the engine is sluggish, like your vehicle is harder to start on cold mornings, it starts inconsistently, or there’s no sound and interior lights when you try to start, suspect a failing battery, a loose or corroded connection or electrical draw.
What happens when car battery is low?
A dying car battery can create weak sparks that cause fuel to gather in an engine’s cylinders. Once this built-up fuel is ignited, it reacts with force, which can cause your car’s engine to backfire. A backfiring engine may be a sign of a battery that’s on its last legs.
How long does a BMW 5 series battery last?
BMW 5 Series batteries consistently last between 3-5 years, but this is variable depending on the type of battery, weather conditions, driving habits, and more. You can prolong the life of your 5 Series battery by: Proactively testing your battery.
Do I need to reset computer after replacing battery?
There is no need to reset the computer per say, but if you had any error codes that indicated a problem existed; then you’ll need to have a professional mechanic complete a check engine light inspection.
Why is my car acting weird after a new battery?
The only reason why the car acts a bit “Weird” is because it is relearning various fuel trims. Removing the battery resets the fuel trims which means the ECM has to relearn these.
Why won’t my car start after replacing the battery?
Other potential culprits might include a defective fuel injector, faulty spark plugs, a bad starter, starter relay or solenoid, a defective fuel pump, a problem with the timing belt or a clogged fuel filter. The problem could even be in the ignition switch on the steering column.
Why do BMWS have two batteries?
During cold start, the first battery is used to power the starter (smaller 50mah battery) while the larger battery heats up the e-CAT and all else electronics.