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Re: Revs Drop Suddenly On Throtle Let Off?? (archive)
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Posted by Bert Smith on March 12, 2000 at 18:34:02:

In Reply to: Re: Revs Drop Suddenly On Throtle Let Off?? posted by Keith Jones on March 12, 2000 at 17:28:24:

: I have the exact same problem with my 91 850i. I have not had it looked at yet but will in the next week or two.

:
: : Can anyone pin point the problem of sudden rev drop when taking your foot of the throttle it only seems to do this when driving and not whilst stand still and reving the engine.It makes for difficult driving as when you let off it all seems to shut down ,not cut out but drop to around 12-1400 revs from say 2000+
: : Could it be the throtle motor?The BMW garage checked and in the fault memmory it showed faulty oxygen sensors.

: : Aidan
: : 850i '91----90k miles

This has been discussed on this and other forums. I believe it is a characteristic of "fly-by-wire" throttle systems. My '91 850i does it....I have adjusted my throttle application while shifting accordingly. 1991 850i 34k miles

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