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In Reply to: If I want to chip my 89 535i - Which chip is best? posted by Doug on June 24, 2001 at 22:39:16:
All pretty equal in claims of additional hp/torque. Most on this board recommend Conforti.
I was very happy with Autothority. Improvement in full throttle range. Passes smog test in GA.
www.autothority.com / www.bavauto.com
Dinan works only on Wide open throttle.
www.dinanbmw.com / local dealer
Jim C. gets rave reviews, but has been known to fail emissions.
www.turnermotorsports.com
Johnny
89 525ia