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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Car repaired after Deer hit - Now 30FF



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      03-03-2015, 01:16 PM   #1
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Car repaired after Deer hit - Now 30FF

body shop worked on front passenger fender, headlight, mirror and bumper, but now I'm getting 30FF & max boost is 10 PSI on map5 (used to be 17) ... JB4 tries to clear it but when in map 0 I get it almost instantly... I've gone underneath and checked all FMIC connections, forge DVs etc... everything looks good, vaccum lines were replaced last year too... now I'm scratching my head, I really dont want to do that laborious boost leak test, any ideas ?
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      03-03-2015, 01:22 PM   #2
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When I hit a deer there were 2 things that didnt get fixed properly. I also hit passenger side, as well it took forever. I hope you didnt have an auto transmission.

1) the hot pipe from the turbos to the inter-cooler, the rubber flex piece had a slit in it. I only found it after a lot of testing and moving things around. As its compressed it hid itself well.

2) the vac lines that go over the head one of those had a leak. Had to replace that hose as well, it goes from the vac pump to one of the top of the vac canisters. Those were my 2 leaks. If you are getting to 10 pounds this is where I would start more than the hot pipe.
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      03-03-2015, 01:37 PM   #3
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Quote:
Originally Posted by WilliamS View Post
When I hit a deer there were 2 things that didnt get fixed properly. I also hit passenger side, as well it took forever. I hope you didnt have an auto transmission.

1) the hot pipe from the turbos to the inter-cooler, the rubber flex piece had a slit in it. I only found it after a lot of testing and moving things around. As its compressed it hid itself well.

2) the vac lines that go over the head one of those had a leak. Had to replace that hose as well, it goes from the vac pump to one of the top of the vac canisters. Those were my 2 leaks. If you are getting to 10 pounds this is where I would start more than the hot pipe.
I do have the auto transmission .. I'll re-check those two - thanks brother
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      03-03-2015, 06:22 PM   #4
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I would say check the bottom nipples and vacuum lines at the bottom of the canisters. would be pretty easy to tell if its damaged and causes 30FF.
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