Break in period before tuning..
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02-05-2013, 11:54 AM
waiting for winter to end :(
Drives: 2007 335i Sedan
Join Date: Aug 2009
Location: Northern Va
2007 BMW 335
some will say do it right away, but I would wait until the regular break in period was over at a minimum....
G5 ISO|BMS Flash|CP-e|ETS|ER|Forge DVs|KW V1|M3 Sways|BBS CH|BMS|
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