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      03-27-2019, 08:16 PM   #2
dtla1's Avatar

Drives: 2011 135i, Space Grey
Join Date: Apr 2014
Location: Silicon Valley

iTrader: (2)

Did you switch from Catless to Catted DPs for Smog or just change tunes to stage 0?

On my N55 I just drove it decently hard over a weekend (maybe just a day actually) after switching to stage 0 tune and it was ready to go. By driving it decently hard I mean about 60-100 miles highway cruising (65-80mph usually) as well as maybe 1-2 hours of on and off runs on my favorite back roads. 25 mph slow turns, hard accelerations up to XXX mph on a few straights, but usually just 25-hard acceleration up to about 70mph straights and hard on the brakes back down - rinse and repeat.