How to Open Your 2011 BMW 3-Series Key Fob and Change Battery

How to Open Your 2011 BMW 3-Series Key Fob and Change Battery

Keyless entry remote allow easy access to your BMW. Once the remote key fob battery is dead or weak you will lose your keyless entry fob's ability to use remote functions. Below, we explained how to open BMW remote key fob and change a weak battery yourself. If you decide to do it at home near 3-Series, follow our guide, but first make sure you have everything you need before you start.

What size battery does 2011 BMW 3-Series key fob required

Replacing battery in remote key fob require flat head screwdriver and one CR2450 battery. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • flat head screwdriver
  • 1xCR2450 battery

Simple steps to replace the battery in your 3-Series's keyless entry remote

A small coin battery installed inside the your remote key fob. Move the key out of the way if it is in the remote key fob.

Delicately try to disassemble your key with hands or flat head screwdriver. Remove 1 CR2450 battery with flat head screwdriver.

Replace old battery with fresh one CR2450. Battery must be placed with the same polarity as was a previous. Your key will not work if you mistakenly put battery wrong way.

After the new battery installed, check key fob by pressing buttons. If everything working properly, assemble your fob’s body in reverse order.

The last thing to do is put your cover back on fob. Accurately try to put the pieces in place by hands from top to bottom. If your key fob body firmly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2011 BMW 3-Series Video

2006 - 2012 BMW 3 Series Non-Comfort Access Key Battery Replacement E90 Fob Remote

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of BMW 3-Series require 1xCR2450 batteries. Price for CR2450 batteries are under $4 depending on the brand, size packaging and type you buy. Take your old battery to the store, with you to find a proper replacement.

Usually, after key fob battery replace, reprogramming not required. Key fob reprogramming procedure often described in user's manual of your vehicle.

Changing your key fob battery is simple to do in 2011 BMW 3-Series. Most of car manufacturers think about clients and make a special hole for keyless entry remote disassembly.

Dealer service pricing for change the battery in fob is from 50 to 600 dollars depending on the car.

Key fob batteries in BMW 3-Series should be replaced every three years, although this will vary based on usage and build quality. If your keyless entry remote decreased signal strength, you should replace batteries before it stop open doors and make trouble for you.

These symptoms will warning you that it's possible time to change battery in your 2011 BMW 3-Series: low key battery indicator on dashboard, key fob buttons not working, you didn't change battery more than 4 years and multiple clicks to unlock or lock doors required.
Be the first to comment.
Your message is required.

Fob Compatibility:

  1. FCC ID: YGOHUF5662
  2. Models: 2009-2013 BMW 3-Series