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 MANUALSBMW1987L7 (E23) L6-3430CC 3.4L SOHC (M30)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION TIMINGADJUSTMENTS
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)
Ignition Timing: Adjustments
1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)SECTION Adjustments
The ignition timing is electronically controlled and can only be checked, there are no provisions for adjustment. Check timing at operating temperature with vacuum hose(s) disconnected and plugged. Timing mark is located at crankshaft pulley. For timing specifications, check emissions sticker or "SPECIFICATIONS".
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.