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      04-23-2019, 03:24 PM   #8
mweisdorfer
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Drives: 2007 Black/Black 335i e90
Join Date: Apr 2011
Location: Holly, MI

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2007 BMW E90 335i  [0.00]
2008 bmw x5  [0.00]
Quote:
Originally Posted by theOkilla View Post
I redid the intercooler piping and replaced two vacuum lines and the FF code hasn't come back after 20+ miles of hard driving. Went WOT in 3rd and 4th gear without issues.


However, there is still a bog down and hesitation between 1-2k RPMs where it feels sluggish and drops RPMs before accelerating. I'm not sure what could be the cause of this. I'm looking into a walnut blast since it's nevwr been done but I'm not sure if that will help.
Replace all the vacuum lines with platinum cured lines.

https://www.verociousmotorsports.com...cuum-Hose-Kits

You will need about 15 to 20 feet.

Walnut Blast every 36,000 miles

Get a catch can

Change the oil (5w-40) every 7500 miles w/ an oil flush

Run a Fuel Injector Cleaner 2x a year like Redline or Techron 20 gallon formula. Liqui Moly also makes a good one.
Appreciate 1
335e92tx1036.00