How to Remove the Steering Wheel of a BMW 3 Series?
3 Answers
Release the steering wheel fixing lever, which is the lever that locks the steering wheel in place after adjustment. Pull the steering wheel to its outermost position. Start from the innermost part of the steering column cover, where there is a dust cover (leather), lift the upper cover upwards to remove it. The upper cover is secured with clips, which are very sturdy. After removing the upper cover, you can see that the lower cover is also fixed with clips on both sides. Release the clips and remove the lower cover.
Removing a BMW steering wheel requires careful operation, as I've helped a friend with this issue before. Safety is paramount - the first step is always disconnecting the negative battery terminal, then waiting at least 30 minutes for the airbag to fully discharge. Next, locate the small holes on the back of the steering wheel (there's one on each side) securing the airbag module with T30 Torx screws. After removing these screws, carefully extract the airbag, being cautious not to damage the wiring harness that connects to the yellow airbag plug and multifunction button cables. Only after disconnecting all these can you remove the central 19mm large nut using the hook wrench from the onboard toolkit. Remember to mark alignment between the steering column and wheel for proper reinstallation. The process requires patience - if the nut is extremely tight, a breaker bar may be necessary. When reinstalling, reconnect all wiring and test multifunction buttons before finally reconnecting the battery.
I've disassembled a BMW steering wheel several times myself, and the key is not to rush. First, you must disconnect the battery and wait for 15 minutes to avoid accidental airbag deployment. There are hidden holes on both sides of the steering wheel's back—use a phone flashlight to confirm their positions. I used a T30 long-handled wrench to reach into these holes and loosen the screws, which allows the airbag module to be pushed out. When unplugging the airbag wiring, pinch the yellow lock on the connector, and always disconnect the power before removing other button connectors. The central fixing nut is quite large and requires a specialized 19mm socket wrench. Before removal, apply lipstick to the steering shaft as a positioning mark; otherwise, the steering wheel angle may be misaligned during reinstallation. After removing the steering wheel, inspect the slots on the back for any damage and clean the mounting surface while you're at it. The entire process requires slow and steady force, especially when pulling the steering wheel off, as sudden release can injure your hands. After reassembly, don't rush to reconnect the power—manually turn the wheel left and right to check for any unusual noises before restoring power.