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A weird thing is happening on my '91 730i and also just recently my '92 320i.
Sometimes after running for a while in hot weather, and switching off the engine, when I return to the car I can't start it. I turn the key and nothing happens. Not even click click noise on the starter. Headlights work and wipers work.
If I put the car in Neutral and roll it forward whilst turning the key, the car will start.
Is this what's called vapour lock? I am using high quality 97 octane fuel.
Any ideas anyone?
Cheers
Hiram
Black '91 730i
Red '92 320i