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This clock spring is the spiral conductor that maintains electrical contact between the steering wheel and the steering column as you turn the wheel, allowing the airbag and horn to function safely. Fitted to the BMW 3 (E46) 330d diesel (1998–2007), this OEM part carries code 8377488. Inspect the ribbon contact before installation to ensure proper continuity; replacement is straightforward but requires care to avoid accidental airbag deployment.
This clock spring is the spiral conductor that maintains electrical contact between the steering wheel and the steering column as you turn the wheel, allowing the airbag and horn to function safely. Fitted to the BMW 3 (E46) 330d diesel (1998–2007), this OEM part carries code 8377488. Inspect the ribbon contact before installation to ensure proper continuity; replacement is straightforward but requires care to avoid accidental airbag deployment.