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      08-16-2012, 02:01 PM   #8
FormulaMMM's Avatar
Drives: E90 M3
Join Date: Oct 2011
Location: MI

Posts: 1,224
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Looks to me that much of the difference can be attributed to the higher corner exit speeds with the cups. For example, you're 7 mph up with the cups coming onto the front straight (@ 1:39). At peak speed on the straight, you reach 115 with the cups, and 113 with the ss. So that gap was closed to 2 mph with the ESS kit.

All of that said, I think the best look at your straight line acceleration is on the front straight as you shift into fourth. I honestly was expecting more between 103-113 mph in fourth. Could very well be the hot weather.

Top speed for me on my home track is in the 120-130 range down the back straight. On a 50-60 degree day I can nearly clip 130 mph whereas on a 90 degree day I'm just over 120 mph. Same tires, identical final corner exit speed, same brake point.
Jerez Black 6MT E90 M3: Velos Designwerks Tune, Megan Racing Catback (past) | Akrapovic Evolution (present), Macht Schnell Filter, Stoptech ST-40 Front + Pagid RS29 | Stock Rear + Ferodo DS2500, Apex EC-7 18x10 ET25 + Nitto NT01 275/35/18.
Jet Black DCT E90 M3: Akrapovic Slip-On, tbd...
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