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      12-08-2014, 08:26 PM   #1736
jaykayelemenohpee
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Drives: 335i
Join Date: Mar 2013
Location: Central Phoenix

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Quote:
Originally Posted by 2fast4 View Post
That's a whopping mileage on the tune...which brings my question..
Regarding running higher boost with tune and cold engine...
People say to let it warm up to at least 180 degrees before running full boost.
Idea is that upper cylinder will "mushroom" shape if boosting higher than stock boost level.
Obviously we don't want mushrooming and lose compression and more blowby.
If that happens, I think the motor will need rebuilding...something I want to avoid at all costs.
How is your experience and your driving habits on cold engine?

I love my INPA laptop for Iits accuracy in troubleshooting.
99% misfires are ignition related. I'm not positive injection will throw misfire code.
On 30FF "under boost" issue, if I use OBD scanner it won't know which turbo.
But INPA actually knows which turbo.

Thanks for the AutohausAZ and able to pick up after ordering..
What I do know is that with flashes such as cobb while tables are modified the computer still follows its pre-set logic in terms of not reaching full boost until its warmed up. My car feels like a pig first thing in the morning and I don't really get on it until I reach the highway/temps. I don't run a boost gauge but many members have no problem and have been running tunes from day 1. Few have been rebuilt.
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