Wastegate rattle fix question

Jdub679 · 12-01-2012, 03:25 PM

Does the rattle fix where you tighten the nut on the N54 wg also work on the N55?

Slops · 12-01-2012, 04:21 PM

Is yours really rattling? Any vids?

Nickz · 12-01-2012, 09:26 PM

This is really funny, because I'm having the same issue with the rattling.

I just got my turbo replaced apparently and I'm still getting rattle noise on cold start, pretty much the same as it was before the turbo replacement. I also think there are rattling noises between the 3000-4500rpm range, but only when driving and not stationary revving.

I'm wanting to go back to my dealer and have them look at it again, but they seem to be a little incompetent or have little knowledge of the rattle issue. In fact it was me who suggested they look at the wastegate.

Not sure if this is similar to the N54, but I think I'm going to ask about the vacuum pump..

BMW_Belgier · 12-02-2012, 06:19 AM

Oh great...

We already have the first HPFP problems with the N55, now we have the first rattling wastegates...

WTF BMW

ronin_pdx · 12-02-2012, 09:34 PM

its normal for the wastegate to rattle. its not a big deal. dealer can tighten it

Jdub679 · 12-02-2012, 11:13 PM

Honestly, not too sure if it's the wg's or not. But I distinctly hear it coming from the passenger side front, usually lower speeds (when there's less exhaust noise to drown it out), at around 2200 rpm, and usually when the car is colder (my guess is my JB hasn't kicked in yet).

Dark_Knight_335 · 12-03-2012, 07:15 AM

Mine is just the opposite-happens when it is fully warm. Have 9700 miles on the clock. Seems early in the game for a wastegate rattle. Where would the rattle noise come from?
Would it sound like it's coming through the dash?
I posted a thread in the N55 section about rattle from the engine bay with video. A trained ear can hear the RPMS peaking and making a buzzing rattle sound.

12-01-2012, 03:25 PM	#1
Jdub679 Captain 88 Rep 644 Posts Drives: 2011 BMW 335i coupe M Sport Join Date: Jan 2011 Location: Irvine, CA iTrader: (1)	Wastegate rattle fix question Does the rattle fix where you tighten the nut on the N54 wg also work on the N55?
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12-01-2012, 04:21 PM	#2
Slops Major General 188 Rep 5,417 Posts Drives: 2005 C55 AMG Join Date: Jan 2011 Location: Oxford iTrader: (2)	Is yours really rattling? Any vids?
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12-01-2012, 09:26 PM	#3
Nickz New Member 0 Rep 12 Posts Drives: 2011 BMW 335i M Coupe Join Date: Nov 2012 Location: NZ iTrader: (0)	This is really funny, because I'm having the same issue with the rattling. I just got my turbo replaced apparently and I'm still getting rattle noise on cold start, pretty much the same as it was before the turbo replacement. I also think there are rattling noises between the 3000-4500rpm range, but only when driving and not stationary revving. I'm wanting to go back to my dealer and have them look at it again, but they seem to be a little incompetent or have little knowledge of the rattle issue. In fact it was me who suggested they look at the wastegate. Not sure if this is similar to the N54, but I think I'm going to ask about the vacuum pump..
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12-02-2012, 06:19 AM	#4
BMW_Belgier Lieutenant Colonel 99 Rep 1,597 Posts Drives: E92 335xi n55 Join Date: May 2012 Location: Switzerland iTrader: (0)	Oh great... We already have the first HPFP problems with the N55, now we have the first rattling wastegates... WTF BMW __________________ BEFORE: 130i N52 (2006-2011) NOW: 335xi N55 (2011- )
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12-02-2012, 09:34 PM	#5
ronin_pdx First Lieutenant 29 Rep 297 Posts Drives: m4 Join Date: Apr 2012 Location: portland or iTrader: (1)	its normal for the wastegate to rattle. its not a big deal. dealer can tighten it
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12-02-2012, 11:13 PM	#6
Jdub679 Captain 88 Rep 644 Posts Drives: 2011 BMW 335i coupe M Sport Join Date: Jan 2011 Location: Irvine, CA iTrader: (1)	Honestly, not too sure if it's the wg's or not. But I distinctly hear it coming from the passenger side front, usually lower speeds (when there's less exhaust noise to drown it out), at around 2200 rpm, and usually when the car is colder (my guess is my JB hasn't kicked in yet).
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12-03-2012, 07:15 AM	#7
Dark_Knight_335 Came to the N55 Darkside 1110 Rep 12,740 Posts Drives: 2011 335 E93 M-Sport Join Date: May 2010 Location: NY/NJ iTrader: (28)	Mine is just the opposite-happens when it is fully warm. Have 9700 miles on the clock. Seems early in the game for a wastegate rattle. Where would the rattle noise come from? Would it sound like it's coming through the dash? I posted a thread in the N55 section about rattle from the engine bay with video. A trained ear can hear the RPMS peaking and making a buzzing rattle sound.
	Appreciate 0 Quote