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Old 07-03-2012, 02:05 PM   #184
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Join Date: May 2008
Location: Scarborough
Posts: 1,777
My S52 did amazing on gas. I could regularly get 700-800 on a tank. The S54 definitely drinks more but not by much. The best I've done is 500 mixed highway/city. I know if you really try the S54 can get close to 800. I'll do a valve adjustment and spark plugs which should help out quite a bit.

Originally Posted by SiR View Post
solid mounts ftw(re: honda rattles and vibration)

Id open that thing up already sounds like a nicely done swap. reliability is key.

what is the gas mileage like with an s54?

s52 is half decent imo even by todays standards.

E36 ///M3 S54
STock 335i "The Punisher"
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