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      11-20-2009, 10:17 AM   #104
dogears
My master volume goes to 11
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Drives: 2021 BMW M5 Competition
Join Date: Dec 2008
Location: Cherry Hill, NJ

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Hi Singletrack,

I'll have to scan my dyno printout. I have the Fabspeed HFC setup and Eisenmann Sport exhaust. I had the Fabspeed tune, but due to CEL issues and my DCT update wiping it, I had Jeremy at Powerchip tune the car on the dyno during their recent NJ visit. I felt that me being able to flash myself in the event of an inspection event was worth it. Powerchip has the mobile flash kit they send out.

The car picked up about 19 HP and 22 ft/lb after the flash. We gained only about 2 hp over the baseline Powerchip file that was already designed for cars with my exact type mods.


Quote:
Originally Posted by Singletrack View Post
Do you have any data here? Wondering which HFC solution you are talking about and what the AFR chart actually looked like.




When you say you shut the CEL off, did you just clear it or stop monitoring the rear O2s? What was the power difference if I may ask?

Thanks!
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1987 Buick Grand National, 2009 BMW E90 M3, 2016 Audi S6, 2018 MB E63S AMG, currently in 2021 M5 Competition
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