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      10-02-2012, 06:21 PM   #627
truths2k05
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Drives: 11 M3 6 SPD, 12 135i PPK DCT
Join Date: Nov 2010
Location: Palm Trees And Sun

Posts: 184
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Upgraded today from 10/12/502 to 12/7/507 . They gave me 4 page print out of all the changes and the new integration level. The first thing I noticed was the tightening up of the steering and suspension is noticeably firmer. Drove it in bumper to bumper traffic and took it to redline on empty highway.

Cost was 1hr of labor plus tax. $180 out the door

2013 cars don't need this. Older cars it's a must have

Low end torque and midrange noticeably improved. 5k+ is stronger. Redline is nuts.

SA and shop foreman were excited to do it and wanted feedback.

Bang for the buck an excellent return on your investment. For the price of a few trips to the pump.
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