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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 > I'm fairly certain at this point my wastegate is taking a dump



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      01-08-2013, 09:48 PM   #1
Dark_Knight_335
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I'm fairly certain at this point my wastegate is taking a dump

What were the telltale signs for some of you?
I am getting a metallic grating whoosh sound under certain acceleration and during idle a clattering rattle.
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      01-09-2013, 03:17 AM   #2
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Sorry to hear that...

Why isn't your BMW dealer reacting? You still have a warrenty! They should repair it...
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      01-09-2013, 05:37 AM   #3
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Last visit they told me the wastegate is "fine."
But now it is really pronounced. It doesn't happen when revving in P or N.
I don't know if it's the turbo or WG. So I'm looking for experiences.
YouTube seems to tell me it's WG.
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      01-21-2013, 10:49 PM   #4
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Hey DK. Any more updates on your ride?
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      01-24-2013, 08:17 PM   #5
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Meh. Everything is "normal." DINAN software tells the cars to build more boost earlier. The turbo sounds like it's making obscene noises like a slide whistle up and down and a grating spooling sound I just never heard before. Ah well, I'll just wait for an engine light.
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      01-25-2013, 08:37 AM   #6
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Quote:
Originally Posted by Dark_Knight_335 View Post
Meh. Everything is "normal." DINAN software tells the cars to build more boost earlier. The turbo sounds like it's making obscene noises like a slide whistle up and down and a grating spooling sound I just never heard before. Ah well, I'll just wait for an engine light.
Thx for the update. Hang in there.
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      01-25-2013, 10:14 AM   #7
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I wish you were closer so you could either validate or dismiss the possibility that I'm insane lol...
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      01-25-2013, 10:18 AM   #8
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Can you get a sound clip of it?

Ever since my JB4 was installed, I get a weird metallic gurgle sound around 1800 to 2800 RPM in normal driving. I am guessing wastegate, but don't think it is a problem other than an annoying noise.
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      01-25-2013, 12:10 PM   #9
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Sure man...it's tough to catch inside the car though with a video - but I can try again.
I have ears like a hawk
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