85 bmw 735i-- won't start up--it will crank over

"bojames" wrote

Check the battery voltage; I've seen them turn over but be too weak to give an adequate spark. Check coil output.

Might help if you mention the model and engine.

FloydR

Er see subject - 1985 BMW 735i - so it is an E23 with an M30 engine.

Charge up the battery with a charger and see what happens.

thanks, i've tried another coil and new battery,

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thanks mike,for tickering my brain, hot diggie dog, it was the main relay, on the passenger side firewall, in the engine compartment, a 5 prong square relay, just above the hood latch

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thanks guys, mark and floyd

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