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.
1971 BMW 3.0CS Automatic TransFACTORY OEM SERVICE PROCEDURE
Marelli Distributor Advance Specifications
NOTE:
FOR ENGINE RPM & DEGREES, MULTIPLY SPECIFICATIONS BELOW BY 2.
MARELLI DISTRIBUTOR ADVANCE SPECIFICATIONS
| Distributor Part No. | Centrifugal Advance (Dist. Degrees & RPM) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Deg. | RPM | Deg. | RPM | Deg. | RPM | Deg. | RPM | |||
| S103B | 1 | 500 | 9 | 1000 | 15 | 2000 | 17.5 | 2400 | ||
| S112AX, BX | 1.5 | 500 | 7.5-9.5 | 1000 | 12-14 | 2000 | 17.5 | 3000(1) | ||
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Factory Service Tools
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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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