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1998 bmw 740i power problem

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740i power
420 views 0 replies 1 participant last post by  compere52 
#1 ·
Hi Im new so be kind I have a 1998 740i with a strange problem if I overtake something so race the engine as soon as I accelerate there is a power loss it feels like the engigine is only running on 4 cylinders and will not exceed 40 ish mph there is no backfireing it just wont go! the way to cure it is to stop the car turn the ignition off then restart and it is fine it does this every time I drive the engine hard and is cured by switching off every time it does seem to be getting worse

HELP

barry
 
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