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ajm8127 lulz_m3 Looks like the dealer found the issue, its the valve stem seals. The turbos are fine. Can anyone shed light on what the process is of replacing the seals? Thank god for power train...

Sounds awesome, I really need to buy the oil filter housing and do a retrofit on my non oil cooled e90.

Good posts guys... I think that confirms its my seals. As it's only on deceleration/coming to a stop, the amount of smoke was insane though people would laugh as they passed it literally looked like...

lulz_m3 what do you think about the smoke problem coming from the crank case vent valve? Many have told me this is most likely leaking and is why the car smokes so much with catless dp.

Take it to a headshop and see if it can be repaired by a glass blower.
Did you break a perc/joint? they can be fixed. If the whole piece shattered your out of luck.

Cool, it would be nice if we could get a fix together. That would benefit many with the same smoke issue. Unrelated but on average how much oil does your car consume, and what oil do you use? My last...

Or they will clear the codes, test drive, nothing will happen, and give you back the car. If it only happens with the tune it is not likely they will be able to recreate the issue and or do something...

LOL.. thats great!

So this smoking issue most likely must have something to do with the vacuum system/pcv?? So weird.. ajm8127 would the upgraded rb check valve maby help with lessening the amount of smoke? Guess im...

Didn't see any oil in the dps. I'm think something else might be wrong then. I now get absolutely no smoke. With the dp when I came to stop or decel it looked like something was on fire lol.

confirmed this works with 3 series AT, completely gets rid of stupid jerk coming to stop in 1st.. Does it reset every time you start the car or does it save in the ecu after doing it once?...

Cool, I will try and see what happens as I have an annoying jerk when coming to a stop in 1st.

wow.. mine drives me nuts to. Would this work with at on 3 series?

:( forgot to really look. I burn a quart about every 3k with moderate driving, some spirited.. I really have a feeling its the seals. Smoke would be bluish though right? Its always a light white...

http://www.bimmerboost.com/images/imported/2013/05/34iqypx-1.jpg

This is how it looked. I probably could have corrected it myself, but the smoking was to much for me. I have no secondaries as it...

Shop was incompetent... ended up reinstalling stock cats myself. They spent 5+ hours trying to get the 02 sensors not to touch which was causing the rattle and ended up putting a dent in one. I also...

Thanks for the informative posts! Wish I could rep you.

I have a catch can.. but i guess that dosen't help.. guess i gotta get the rb pcv check valve. Also the rattling noise sounds horrid from 1500-2000 rpms literally marbles in tin can bad but it...

Mobile1 0w-40.. yes noticed smoke right after..smoking a $#@! ton. maby ill reinstall secondary cats i only usually go through a quart every 3k miles. prob the turbo seals starting to go.

also its much more noticeable when car is moving.. cant here it much just reving in driveway.

Was wondering if rattling from rpm 1500-2000 is the dp's touching the subframe?(not at idle or above stated rpms) Heatshield? I had em installed at a local performance shop and I'm pretty there...

had a body shop do it but it was expensive.. 70$ a piece. I tried wrapping, but the weather stripping was ruined and wouldn't fit flush with the window. Trim pieces are also very easy to bend.

Awesome didn't think there was one to support only downpipes and intake. Thanks!

I don't think I can do that with just dci, cat less dp's, and exhaust. especially on 91 oct. correct me if I'm wrong..

I heard cobb dosen't support catless dp's with stage 1. Is this true? As in it won't clear the code and or maximize gains? I just got a set and want to install... Only have 91 octane available and...