Break in period before tuning..
Picking up my 335is coupe in the next day or two. I am wondering what is the break in period before it is safe to tune. I plan to get the jb4 and the DCI. I am sure everyone has a different opinion, should I wait the normal 1200 miles? Longer then that or even do it right away?
Thanks
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2013 BMW 335is Coupe AW/CR 6MT
2012 BMW 335 coupe ( Sold)
2012 Audi S5 coupe( Sold)
2010 BMW 335i coupe( Sold)
2009 BMW 335i coupe ( Sold)
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