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.
1983 BMW 633CSi AutomaticFACTORY OEM SERVICE PROCEDURE
Miscellaneous Components
MISCELLANEOUS COMPONENTS LOCATION
| Component | Location |
|---|---|
| A/C Evaporator Temperature Regulator | On left side of A/C-heater unit. |
| Airflow Meter | Behind air cleaner housing, on top of engine. See Figure . |
| Alarm Horn | Below air cleaner intake, behind right side headlights. |
| Auxiliary Fan Normal Speed Resistor | On auxiliary fan shield, ahead of radiator. |
| Cold Start Valve | On top of engine, between 3rd and 4th intake ports. |
| Cruise Control Actuator | Below hydraulic fluid reservoir, behind left side headlights. |
| Diagnostic Connector | On bracket on top of engine. |
| Filter Capacitor | Behind right side headlights. |
| Fuse/Relay Block | On left front wheelwell. |
| Hazard/Turn Signal Flasher | Under left side of steering column. |
| Heater Regulator | Behind temperature select control knob. |
| Heater Water Shutoff Valve | On left rear corner of engine compartment. |
| Idle Speed Control Valve | On top of engine, below throttle body. |
| Lock Heater | In left front door. |
| Power Window Circuit Breaker | Under left side of dash. |
| Purge Valve | Behind right side headlights. |
| Seat Belt Warning Chime | Under dash, above and to left of glove box. |
| Windshield Washer Jet Heaters | On windshield washer jet nozzles. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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