Quote:
Originally Posted by Oldmactech
Dunno for sure but might be an emergency lockout due to impact or something. Is your fuel pump humming?
I think these cars have a rollover sensor that would activate if the wheels are too far off axis or whatever the correct term is . Supposed to kill fuel to a rollover accident. Might cause send a signal to ignition also to prevent fire. Disconnect the battery for 30 mins or so to clear any codes?
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Interesting, I have not explored that issue in a long time. Back in 1987, before I knew better, I owned an 88' Ford T-bird and somehow tripped the fuel shutoff inertia switch just from driving like a teenager., no accident or rollover. It had to be manually reset behind the rear seat in a hidden spot underneath some trim carpet.
BMW's inertia switch sounds like it is self resetting with a battery disconnect? But it may also affect starter cranking?
I'm sure it will affect fuel pump operation. I remember when they passed a federal law into effect for manufacturers to follow on that directive.
Thanks for the input, hopefully getting to this ignition switch swap today!
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2007 M5 V10 ESS Supercharged 750chp SMG
2001 X5 Topaz Blue/Tan 3.0
2005 X5 V8 M Sport Black on Black
2001 530i 5 Speed Turbo Project
and a number of other vehicles...