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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 > Wastegate rattle fix redneck style



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      05-21-2013, 03:35 AM   #23
kiteboy
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what do you do if rattle is due to the front WG and not rear ???
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      05-21-2013, 04:24 AM   #24
idriveslo2
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Quote:
Originally Posted by robc1976 View Post
no, it is caused by poor wastegate rattle design of BMW...if this was "just" tune related RB's would rattle bad also.
It is just tune related. I upgraded to stage 2's with billet wastegates, rattled as bad as ever. My rattle only ever started when I switched to G5iso on stock turbos even, I switched back to my old g4 board to experiment and it was perfect again. Installed new stage 2 turbos, still rattle like mad. Dropped JB4 in favor of full cobb control(going 100% e85) as soon as I was running cobb only not a bit of rattle to be heard. Sure stock turbos are absolutely prone to rattle issues, just saying the JB4 G5 ISO can take otherwise perfect non rattling turbos and make them sound like a mariachi band. I know I was not the only one this was happening to either.
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      05-21-2013, 06:27 AM   #25
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Wow! a simple fix to tensioning issues! Here we are trying to squeeze hands to adjust the rod! Harder for right hand drive cars due to steering shaft. Thanks champ!
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      05-21-2013, 07:19 AM   #26
rays 335i
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Quote:
Originally Posted by tofu- View Post
suddenly... ace hardwares around the country run out of springs
now thats funny
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      05-21-2013, 08:15 AM   #27
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Great idea !
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      05-21-2013, 09:57 AM   #28
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Quote:
Originally Posted by Jeff@TopGearSolutions View Post
I'm not sure what's more sad. That is has to come down to this or that it actually worked (BMW look what we have to do to your cars!!!)

Eitherway, good luck with it!
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Quote:
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suddenly... ace hardwares around the country run out of springs
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      05-21-2013, 10:04 AM   #29
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Now if we could reach that front turbo...
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      05-21-2013, 10:50 AM   #30
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Quote:
Originally Posted by tofu- View Post
http://www.golfmk6.com/forums/showthread.php?t=20401
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      05-21-2013, 11:11 AM   #31
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Lol. Can this be done without removal of Downpipes?
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      05-21-2013, 11:15 AM   #32
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Quote:
Originally Posted by Josh1a1h View Post
Lol. Can this be done without removal of Downpipes?
Yes. Reach down from top left of engine (when facing car) and grab actuator rod. Hook spring and pull.
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      05-21-2013, 11:28 AM   #33
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Quote:
Originally Posted by vindizzle9 View Post
thanks.

it seems the spring should accomplish the same thing. basically just removing the slop


i read one of their diagnosis methods was to put a weight around the rod, but the tsb instructed that they remove it once a diagnosis was made.
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      05-21-2013, 11:45 AM   #34
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i will try this. what is the length of this spring. I had JB4 for 6 months and i was fine with minor rattle. When I put in VRSF downpipes i could hear my rattle full force. I love my DP's but i hate the rattle.

I have full rattlesnake N54 engine
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      05-21-2013, 04:00 PM   #35
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Hi guys,

Yeah from the top of the engine bay. I removed the washer filler by unclipping it and moving to the side but its not really necessary. Its a 1minute job make sure the engine is cold or you will burn yourself.

My rattle is gone for 90%. I think the 10% is from the front one. Its seems really hard to get to the front one.
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      05-21-2013, 05:29 PM   #36
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I am going to give this a go.

Is it important not to get a strong spring?
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      05-21-2013, 06:06 PM   #37
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Quote:
Originally Posted by Josh1a1h View Post
I am going to give this a go.

Is it important not to get a strong spring?

vw used a 2oz weight
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      05-21-2013, 06:10 PM   #38
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      05-21-2013, 06:25 PM   #39
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very cool I will try it out
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      05-21-2013, 06:27 PM   #40
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Wow, Jeff is right.. It's sad it has to come to this. I remember how bad mine was before turbocharger replacement. Not fun
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      05-21-2013, 10:40 PM   #41
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tried it and didnt make any difference :/
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      05-21-2013, 10:45 PM   #42
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Quote:
Originally Posted by elig0nzal3z
tried it and didnt make any difference :/
Did you try this in the front, rear, or both turbos?
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      05-21-2013, 11:09 PM   #43
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Did you try this in the front, rear, or both turbos?
just the rear its hard to get to the front turbos
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      05-22-2013, 11:59 AM   #44
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Quote:
Originally Posted by elig0nzal3z View Post
just the rear its hard to get to the front turbos
I guess your front one is the problem.
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