Quote:
Originally Posted by BEAMERBOI
Could you educate me on this (JB4 and downpipe, which I'm ordering tomorrow. I expect 0-60's to be in the mid-upper 4's - essentially turning this car into a X1 M.)
More or less what is it? sorry Im a dumb ass at this stuff 
PS it drives like a dream right? I love mine! |
I was parked yesterday a bunch of times with the motor running and definitely didn't have a low or rough idle at all. No weird noises. My NAV did lock up once, and I needed to reboot it by holding down the volume button for 30 seconds.
edit