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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > So i developed a horrible knocking sound..



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      06-26-2013, 01:27 PM   #1
eyim1988
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So i developed a horrible knocking sound..

I only drove my car ~800 miles since January because of all these problems i've been having. All these problems might have originated from the first problems and likely caused a chain of events. About 2 months a go, I was having a spirited driving session on the freeway and all of a sudden the half check engine light comes on. I immediately go on the side of the freeway and let the car cool for 10 minutes. I turn it back on and the half check engine light is not there anymore so i carefully drive the car back home. The next morning while driving the car i notice a rattling/knocking sound that gets louder the higher the rpm you go. I didn't drive it again. I carpooled for the next 2 months and finally had the time to tow it to the dealership. Oh and by the way my car is stock. It's been there for a little over two weeks. It has been checked by BMW N.A and was given the greenlight to replace the camshaft. The last update i've been given is that they are pushing for an engine replacement.
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      06-26-2013, 02:17 PM   #2
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da fuq????
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      06-26-2013, 02:17 PM   #3
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Early build N55?
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      06-26-2013, 02:58 PM   #4
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damn that sux man. was it tuned before? - i'm pretty sure I recalled you had the procede / charge pipe / exhaust / catless dp etc..
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      06-26-2013, 04:54 PM   #5
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was tuned before. Car has never been the same after the Vanos problem.. Atleast i will have a new engine in it soon. They just called me saying the Engine is on its way and will be here in a few days.
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      06-26-2013, 09:27 PM   #6
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Quote:
Originally Posted by eyim1988 View Post
was tuned before. Car has never been the same after the Vanos problem.. Atleast i will have a new engine in it soon. They just called me saying the Engine is on its way and will be here in a few days.
Siick! Gota love BMW's warranty!
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      06-27-2013, 07:33 AM   #7
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Quote:
Originally Posted by eyim1988 View Post
was tuned before. Car has never been the same after the Vanos problem.. Atleast i will have a new engine in it soon. They just called me saying the Engine is on its way and will be here in a few days.
Awesome stuff!
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      06-27-2013, 08:11 AM   #8
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Wow. That was easy.
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      06-27-2013, 03:47 PM   #9
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yep!! Hopefully it won't take too long.
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      07-09-2013, 12:13 AM   #10
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Quote:
Originally Posted by eyim1988
yep!! Hopefully it won't take too long.
Camshaft? That's all - anything else? Internals.
Intake valve / bent? Turbo? New as well.
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