How to Replace the Battery in a 1998 BMW Z3 Key Fob

How to Replace the Battery in a 1998 BMW Z3 Key Fob

Remote key fob allow easy access to your car. Once the keyless entry remote battery is weak you’ll not to be able unlock trunk or doors remotely. It's not complicated to change the battery in your remote key fob by yourself. All you need is outlined below.

What size battery does 1998 BMW Z3 remote key fob required

Replacing battery in remote key fob require flat head screwdriver, super glue, carpet knife and one CR2032 battery. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • glue
  • flat head screwdriver
  • razor knife
  • 1xCR2032 battery

Simple steps to replace the battery in your car's keyless entry remote

A coin battery installed in the your key fob. To disassemble this key fob you need scoring the edges with boxcutter first.

Gently try to pry apart your remote key fob with pry tools. Replace CR2032 battery with flat head screwdriver.

Now it's time to install new battery inside fob’s shell. Battery must be installed with the same polarity as was a previous. Your key will not work if you mistakenly place battery wrong way.

Before assembling keyless entry fob's case, verify that all functions works by pressing buttons on circuit board.

The last thing to do is put your cover back on fob. Accurately try to assemble the pieces together by hands from top to bottom. Inspect your key fob case for gaps. If it is not firmly closed try to repeat last step. Glue the back of the keyless entry remote.

Video of keyless entry remote disassembly

How To Replace BMW Z3 Key Fob Battery 1996 1997 1998 1999 2000 2001 2002

Still not working? Buy new one


Key fob of BMW Z3 use 1xCR2032 batteries. Most CR2032 batteries are under $4-6 depending on the brand, type and size packaging you buy. Take your old battery to the store, to find a proper replacement.

Usually, after key battery replace, you do not need to reprogram. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 1998 BMW Z3 key fob yourself. Most hard part is to open keyless entry fob's case. It's pretty simple with our instruction.

The cost to replace the battery inside key is in range $50-600 depending on the car and the service pricing.

Keyless entry remote batteries in modern cars should be changed every three or four years, also this will vary based on frequency of use and build quality. If your remote key fob reduced signal strength, you should replace batteries before it stop working and make trouble for you.

If your Z3 key fob buttons not working, has low key battery indicator on dashboard, signal strength reduced or need multiple clicks to unlock or lock doors, it's probably battery replace in key fob needed. Current battery is weak or dead with a high probability, but if it's not help, key change or repair needed.
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Fob Compatibility:

  1. FCC ID: A269ZUA111
  2. Models: 1996-2000 BMW Z3