Freeway MPG

[I love my E39]

When I got the e39 the gauge read 31.4 MPG. I have no idea how the previous owner got that good of mpgs. The best I ever got was 27.8 Mpg before the 02 went out. Now o average about 20.6 MPG mainly city running 93 or with 91 no ethanol. I do have an 18.5 gallon gas tank so the mpg doesnt matter to much with that size tank

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[Earl]

I would venture to say that the e34 (525i, non vanos m50) gets around 27 mpg average and about 23-25 mpg in town. The compact (318ti, m42) was getting about 34-36 mpg average with it being around 30 mpg in town. I was running 93 octane minimum in the compact due to the Midnight Tuning chip and I run mid-grade in the e34. I almost always only fill up at Shell since it seems to run the best and get the best mileage=)

[patsbimmer1]

I pretty consistently avg 24-25 mpg with mostly city driving.  When I drove to Louisville averaging 80-90 mph I cranked out 26.3 mpg and 30.4 mpg on the way back averaging 75 mph.  It's amazing what a hangover will do for your mpg's...

[Bassboy3313]

mph > mpg

[BMWben]

I just got a new record at 22.2 mpg with the V8! I probably drive 70% highway though. Really isn't that bad but the premium gas is killer

[Ryan...]

28.7 on this tank

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[REKIII]

I got 13.5 all the way to, and back from, Columbus Ohio in the Jeep this weekend. Usually get around 11 city.  Oh yeah!!!

[Earl]

I filled up with premium Saturday. I am wondering how much better or worse my mileage is. With mid-grade it seems my timing was being retarded. The car feels much better now=)

[damnboy037]

Mine is horrible, I should be getting 32-36 (used to get this on my last 99, maybe it had a better tune?), but getting around 20 right now. Good thing I drive it about 10 miles a week.

[RamRod E28]

Ive ran premium and regular in the e28 and its getting the same mpg?

[Earl]

My compact used to get around 2mpg better with premium vs mid grade before I did the 93 octane chip=)

[industrialsized]

black '98 318 gets 24-26 once on a trip it got 37.8 but i was sleeping in the back. the green 92 325 gets around 17. the red 93 always got around 28 the grey e23 was getting about 22 the green v12 got a little better than 18 and the grease-burner swaped chevy got 22 to 24. the 2 Audi's got about 1 balljoint per 600 miles

[RamRod E28]

Earl said:

My compact used to get around 2mpg better with premium vs mid grade before I did the 93 octane chip=)

The e28 should be cornfed or on premium all the time once the ms pnp goes i for all dat boost!

industrialsized said:

black '98 318 gets 24-26 once on a trip it got 37.8 but i was sleeping in the back. the green 92 325 gets around 17. the red 93 always got around 28 the grey e23 was getting about 22 the green v12 got a little better than 18 and the grease-burner swaped chevy got 22 to 24. the 2 Audi's got about 1 balljoint per 600 miles

Whats the hellahooptie get? or is it gallons and tires to the mile