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      05-04-2012, 03:31 PM   #3
Lieutenant Colonel
eyim1988's Avatar

Drives: 2013 335i M Sport
Join Date: Feb 2011
Location: Los Angeles, CA

iTrader: (5)

Originally Posted by Sam335ix
Mods: Jb4, BMS DP, Intake and ets chare pipe.

Yesterday after work (hot day outside) when I started the car it reved up around 1800 rpm for about 5 seconds and I reved the engine and it went back to normal.. Today coming from the store pulled in to a drive through and put the car in park to deposit a few checks when I noticed the car started to sputter and RPM was clearly below .500.. once again I reved the engine and it went back to normal.. No check engine lights at all. Any ideas?
Ever since I put on my custom exhaust and custom no split downpipe when my car is on idle for a while. The car starts to have weird idling( maybe not used to the one pipe all the way through flow)? It sometimes sounds like the car wants to shut down. But the weird thing is I don't see the revs going up and down at all in the car?

My mods:
Bms intake
CP-E chargepipe
Procede v5 rev 2.5
Custom downpipe/ exhaust single 3" all the way from turbo back.
Current: 2016 bmw m3
Past: 2013 bmw 335i, 2011 bmw 335i coupe