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2004 BMW 325i E46 Battery Replacement

2004 BMW 325i E46 Battery Replacement

How to Replace the Battery in Your 2004 BMW 325i E46

Today, we're going to walk through the process of replacing the battery in a 2004 BMW 325i E46, a remarkable vehicle known for its sleek design, engine, and reliable performance. This model, with its versions offering horsepower ranging from 184 to 225 and engine sizes between 2.5 to 3.0 liters, remains a popular choice among driving enthusiasts.

Tools You'll Need

Before we dive into the replacement process, make sure you have the following tools handy:

  • 10mm size socket

  • Drive ratchet

  • Plastic trim removal tool

These tools are essential for a smooth and hassle-free battery replacement.

Recommended Battery

For your 2004 BMW 325i E46, the following battery group sizes are recommended:

  • Group H5

  • Group H6 (Recommended for best fitment)

  • Group H7

  • Group H8

Selecting the right battery group size ensures your BMW runs efficiently and smoothly.

How to Replace Your 2004 BMW 325i E46 Battery Replacement

Replacing the battery in your BMW 325i E46 involves a series of steps that are straightforward and easy to follow:

  1. Location: The battery is located inside the trunk on the right side.

  2. Preparation: Start by removing the trunk liner to access the battery cover.

  3. Accessing the Battery: Pry out the plastic clips to remove the battery cover.

  4. Disconnecting the Battery: Always disconnect the negative terminal first using your 10mm socket.

  5. Further Disconnections: Proceed to disconnect the positive terminal, also with the 10mm socket.

  6. Vent Tube: Don’t forget to disconnect the battery vent tube.

  7. Removing the Battery: Use your 10mm socket to remove the hold-down bracket, and then you can safely remove the old battery.

  8. Installation: Place the new battery in the holder and reverse the removal steps. Ensure the battery terminals are clean before reconnecting.

  9. Final Steps: Once everything is connected, it’s a good practice to test your alternator to ensure it operates between 13.5-14.5 volts, as this varies per manufacturer.

Why Choose MobileBattery for your 2004 BMW 325i E46 Battery Replacement

At MobileBattery, we understand the importance of a reliable battery in ensuring the smooth operation of your vehicle. Our team of experts is equipped to provide you with the best battery replacement service, ensuring your BMW 325i E46 is back on the road in no time. With convenience at your doorstep, why go anywhere else?

Book Online Today

Don’t let battery troubles keep you off the road. Book your 2004 BMW 325i E46 battery replacement online at and experience hassle-free service tailored to your needs.


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