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BMW 3-Series (E90 E92) Forum
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Jb4 questions
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| 02-25-2013, 01:03 AM | #1 |
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Private First Class
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Jb4 questions
Just ordered my jb4, er cp and tial bov from n54 tuning so stoked! Quick question though I already have a dci and BMW performance exhaust. Can I run map 2 with the performance exhaust since it is a cat back system with better flow over stock or do I still need downpipes so I should stick to map 1 for now. Also while data logging map 5, are you supposed to do a few hards pulls so the ecu adjust boosts levels or do you need normal driving with a few spirited runs.
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2010 E92 335i, M Sport, JB4 G5 iso, Evolution Raceworks Charge Pipe, Tial Bov, VSRF Catless Downpipes, Bmw performance exhaust, Dci, Gloss back grills, Depo smoked side markers, carbon fiber emblems , 15% tint, custom carbon wrapped interior.
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| 02-25-2013, 01:06 AM | #2 |
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Brigadier General
 
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3rd and 4th gears, run up to about 100mph 3 or 4 times, that should allow map5 to autotune.
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OG M2 7sp DCT Masata FMIC - Masata Boost Pipe - Cobra Catless DP - Powervalve Exhaust - Devilsown Methanol Injection BM3 Stage 2
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