1981–1989 BMW 635CSi
Common problems, technical service bulletins, fluid specs and labor times — verified for your car.
Top Problems (5)
Leaking Power Steering System
high
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Transmission Problems
high
AI-written
Faulty Water Pump
medium
AI-written
Electrical Issues
medium
AI-written
Faulty Fuel Injectors
medium
AI-written
Active Service Bulletins
O8 O1 98 — MoDic III(R) - System Description/Operation: Overview
Technical Service Bulletins
O8 03 98 — MoDic III(R) - Questions and Answers
Technical Service Bulletins
23 03 99 — M/T - Exchanged Transmission Oil Specification
Technical Service Bulletins
10 03 96 — TIS Software Update - 07/97: Overview
Technical Service Bulletins
08 03 96 — Updated MoDic(R) Software - ZCS Coding
Technical Service Bulletins
Key Fluid Specs
| Spec | Value |
|---|---|
| Refrigerant Oil Capacity | 5.7 |
| Refrigerant Oil Type | BMW Part No. 81 229 407 028 or equivalent |
| Total Capacity | Less Rear A/C |
| Refrigerant Type | R 12 |
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