How to Replace the Battery in a 1995 BMW 3-Series Key Fob
If your car key fob isn't working well, the battery more likely needs to be replaced. In this post, we described how to disassembly your key fob and change your BMW key battery step by step.
What type battery remote key fob requireReplacing battery in remote key fob require one CR2025 battery, phillips head screwdriver and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
- 1xCR2025 battery
- flat head screwdriver
- phillips head screwdriver
Simple steps to change the battery in your car's key fob
A coin cell battery installed in the your remote key fob. Unscrew the back of the keyless entry remote. Spin the keyless entry remote over and look for at least one fastener holding in the plastic.
Accurately try to disassemble your keyless entry remote with pry tools. Replace 1xCR2025 battery with flat head screwdriver.
Replace old battery with fresh one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
Before assembling fob’s case, check that all functions works by pressing buttons on remote key fob.
At this point squeeze fob’s back cover together. Line your body pieces together and assemble it together by hands from top to bottom. If your key fob case firmly closed, we done. If not, repeat the last step. Screw fastener in the back of the remote key fob.
Video of remote key fob disassembly
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