Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMINI2005COOPER S CONVERTIBLE (R52) L4-1.6L SC (W11)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINSBY SYMPTOMCUSTOMER INTERESTA/C - REAR DEFOGGER RELAY CLICKING NOISE
2005 Mini Cooper S Convertible (R52) L4-1.6L SC (W11)
A/C - Rear Defogger Relay Clicking Noise
2005 Mini Cooper S Convertible (R52) L4-1.6L SC (W11)SECTION A/C - Rear Defogger Relay Clicking Noise
SI M 64 01 05
Heating and Air Conditioning
August 2005
Technical Service
SUBJECT
Rear Defogger Relay Clicks after Several Minutes of Operation
MODEL
R50 (Cooper
R52 (Cooper, Cooper S Convertible)
R53 (Cooper S)
Vehicles produced up to May 4, 2005
SITUATION
After several minutes of rear defogger operation, the rear defogger relay emits a cyclic clicking sound.
CAUSE
BC1-rd (Body Control Module redesign)
PROCEDURE
1. Check the state of the battery and alternator using the battery tester.
2. Recode the BC1 using DIS CD V42 or later.
3. If coding does not solve the problem, replace the BC1.
PARTS INFORMATION
WARRANTY INFORMATION
Covered under the terms of the MINI New Vehicle Limited Warranty.
Refer to KSD
Heating and Air Conditioning
August 2005
Technical Service
SUBJECT
Rear Defogger Relay Clicks after Several Minutes of Operation
MODEL
R50 (Cooper
R52 (Cooper, Cooper S Convertible)
R53 (Cooper S)
Vehicles produced up to May 4, 2005
SITUATION
After several minutes of rear defogger operation, the rear defogger relay emits a cyclic clicking sound.
CAUSE
BC1-rd (Body Control Module redesign)
PROCEDURE
1. Check the state of the battery and alternator using the battery tester.
2. Recode the BC1 using DIS CD V42 or later.
3. If coding does not solve the problem, replace the BC1.
PARTS INFORMATION
WARRANTY INFORMATION
Covered under the terms of the MINI New Vehicle Limited Warranty.
Refer to KSD
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.