5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
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Hi guys, having a weird problem that three separate shops don't understand. At the initial start after sitting all night I have to crank the car 3-4 times before it starts. After that it will start perfectly through out the day. Every sensor and gasket is new on this rebuild. The only thing noticed is that the RPM signal for spark is delayed a good 3-4 seconds at cold start before it will give the signal for spark. Any ideas what could cause this? Starter is new and alternator as well as any other sensor parameter we could think of check out fine. HELP!
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