![]() ![]() It's best handled by a dealer who knows "how".īesides only they can turn "off" the airbag warning light once it's been turned on. It can get hairy real fast trying to replace some of them and you must be careful not to set off the static sensitive airbag and hurt yourself. You have to remove the steering wheel to gain access to the "clockspring" mounted between the steering wheel and the dash on the steering column. The SRS module looks to see if the airbag circuit is operational and if it's not it turns on the airbag fault light warning you that the airbag is no longer operational. Read and clear diagnostic trouble codes from all control units in your car. The constant left right turning eventually takes its toll on the wires and If one of the wires breaks you loose that circuit. BMW and the BMW logo are registered trademarks of BMW AG. They have been made to be very durable but some do fail. there are flexable wires/traces bonded to the "spring".example circuits are.cruse control switches, the horn switch, volume up/down.tuning up/down, and most importantly the circuit that fires the air bag in the center of the wheel. It can go from an extreme lock to lock turn (winding and unwinding). ![]() The clock spring mounted behind the steering wheel looks/acts like a clock spring in a clock/watch. You know what happens to a wire that is continually bent back and breaks and the circuit fails. ![]() Any switch/device used on the steering wheel needs a continual connection while the steering wheel is turned.
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