Brake Light Switch - Occasional Clicking Noise

90bmw20 Group 61 Electrical System
Bulletin Number 61 09 90 (3123)
Woodcliff Lake, NJ October 1990 Service Engineering
SUBJECT: Brake Light Switch Noise

MODELS: E32, E34 (All); E30 (from 9/89)

Situation: Occasional complaints of "clicking" noise coming from the brake light switch.

Cause: When the brake light switch is activated, two "snap action" contact elements can produce a clicking sound, with the plastic switch housing acting as a resonant chamber.

Correction: Wrap the brake light switch in 1/2" thick polyurethane foam (available locally) and secure with tape.

Inportant
Note: Any application of oil or grease to this switch is not permitted. Destruction of the switch will result.

Warranty
Information: Covered under the terms of the BMW New Car Limited Warranty of 3 Years/ 36,000 Miles.

Defect code: 61 31 18 39 00
Labor operation: 61 31 310
Labor allowance: Refer to Flat Rate Manual for appropriate model
Sublet: $1.00 (for foam tape purchased locally)

Any questions concerning Warranty coverage should be discussed with your District Service Manager.