Quote:
Originally Posted by lync9763
nice 160mph! ^__^ is this after a tune?
and did you get your gas mileage back ?
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nope befor tune and i used like 2 gallons of gas doing that lol . im going in to mpower tomarrow local shop so they pull bmw codes and send them to AA so they can figure out best way to turn off my rear o2's and figure out why im getting such shitty mpg
i installed spark plug foulers and it worked for 90 miles then bam SES light! so idk even Avtive said that kinda gas millage with header is kinda odd