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Re: Tranny/RPMs (archive)

[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]

Posted by Alex Lynch on January 05, 2001 at 16:21:19:

In Reply to: Tranny/RPMs posted by ladislav on January 05, 2001 at 06:19:49:

How many miles since the O2 sensor was replaced? A bad sensor will cause the Motronic to run a richer fuel mix. A couple of years ago I changed the O2 sensor and it improved mileage by about 3 or 4 mpg.

Regards

Alex Lynch
1992 735i 194,000 miles
1972 2002 187,000 miles


'90 735iL 155k mi: I am not getting the mileage that I think I should be getting - 18 mpg vs. what most people say should be at least 21 mpg. I am beginning to think that the tranny may not be shifting properly. I will be changing the tranny screen soon.

My question is: what should the RPMs be in the top gear riding steady on a level road? I see about 2100 RPM at 60 MPH and somewhere around 3000 RPM at 80 MPH.





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