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Re: Impact of chip upgrades on fuel economy (archive)
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Posted by Silver Bullet on April 21, 2001 at 05:20:24:

In Reply to: Impact of chip upgrades on fuel economy posted by Britt 91 735i on April 20, 2001 at 19:09:06:


All of the graphs I've encountered thus far for engine and transmission chip upgrades show the impact on torque, but I haven't run into any info re impact on mpg. What have you folks seen?

Thanks.

Don't know about BMW, but my Pocket Rocket is a 1998 NEON with DOHC, MTX, CAI, and a completely reflashed ECU (OBDII). I drive hard and have noticed no difference in fuel economy. Took a 2000 mile round trip in October (mostly Interstate) and at 70 MPH-75 MPH I was pulling 37 MPG (about aerage for the car).

My 02 cents.

Bullet


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