Quote:
Originally Posted by Csa225
Frank Smith is bar-none the best s54 tuner around. Owners from Europe send their ECUs in from overseas to have tuned and sent back.
I had the ESS 525 kit with their tune but when I installed my Status Gruppe catless headers and status Gruppe section 2 race cats I.took my car to get tuned on his dyno. Needless to say, he discovered I was running rich or lean at high boost (can't remember which) and missing out on lots of power. Came in at 390 wheel (low for the 525 kit) so he fixed it and left with 460 wheel and 310 torque.
Car drove smoother and better in every way. Going to look into e85 with him soon.
Hes the man.
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I just had my stock Z4M Roadster tuned by GTPeace Automotive in Chantilly, VA. They use Frank Smith (TTFS) tunes. Man, it really transformed the car. The throttle response is night and day better. Used to be sluggish, now it responds instantly. Haven't dyno'ed it yet, but it feels like a 20-30whp gain, especially in the midrange area. Totally worth it for a TTFS tune, Frank really knows these engines.