Re: e23 Average Gas Mileage? (archive)

PS, yes I do makes sure conditions are good and I have speed rated tires... and I wouldnt trust the TRXs with my life though! We've got 'em sitting in around and the look to be the second pair of tires the car had!

I was using my OBC to get the Average Gas Mileage and it seemed pathetically low, everyone always says they get about 20mpg.....but my average says only 14.7mpg....and thats after I added some STP Fuel Injector Cleaner, it went up .3mpg...not too impressive, but that was an almost instant jump. I do mess around in the car (I.E. the occasional 120mph splurge and the occasional show the punk in the Camero up at the stop light), and I mostly do stop and go driving, but it should be around 15.5-17mpg atleast...Any one have any ideas if there is a problem with the car;s fuel system or engine preformance...she's got 168k on her..., or is it just b/c I mess around in it.

Thanks for any help,
~James

PS anyone know of any squeaking noise from the front of the engine, its a loud squeal type but its constant, not sporadic like under acceleration, I suspect the fan belt (or the fan itself), my dad thinks its the timing chain...any ideas on this one too

I just sold my 1985 735i, automatic transmission, 145,000 on the car, to my sister. Recently, my brothers and I put in a new oxygen sensor, ignition wires, spark plugs and she reads about 20mpg for the average. Squeaking noises are more often belt related.

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