E90 320d harmonic balancer

KingClifton · 11-08-2018, 05:40 PM

Hi all,

Has anyone else had to be replace the harmonic balancer on their engine?

My 2009 E90 LCI 320d has done 160,000km. It's been a little noisy at idle for a good 3 years now, and replacing the tensioner - which Adelaide BMW told me would fix the problem - didn't fix it.

I recently took it to an independent BMW specialist who reckons the HB is looking 'worn' and ought to be replaced.

I just want to find out of this is an expected replacement on a high-mileage engine, or something unusual?

Cheers,
Dave.

Ken Oath · 11-08-2018, 06:41 PM

Three years, w0w.

This issue is known about with the M57.

https://www.e90post.com/forums/showthread.php?t=1254534

Boganian Rubes · 11-14-2018, 05:00 PM

*thinking of my 290k 320d..
Replacing a what? Lol

Trev88 · 11-15-2018, 03:10 AM

Never even heard of it. Mines a 2010 320d but only 116k

juld0zer · 11-15-2018, 05:07 AM

Post up a video of it

Pinarelloman · 11-15-2018, 05:08 AM

Mines a 2010 320D with 62,000km. I would shop around and ask a few independent shops before I trusted a dealership with the pride and joy.

juld0zer · 11-16-2018, 04:14 AM

The pulley itself is very expensive. But it's something to check at least every oil change or every year because when it goes it can have some dramatic results. Aftermarket version are significantly cheaper. Don't forget the bolts and the front main seal

11-08-2018, 05:40 PM	#1
KingClifton Private 4 Rep 97 Posts Drives: 2009 320d & 2011.5 X5 30d Join Date: Nov 2008 Location: Adelaide iTrader: (0)	E90 320d harmonic balancer Hi all, Has anyone else had to be replace the harmonic balancer on their engine? My 2009 E90 LCI 320d has done 160,000km. It's been a little noisy at idle for a good 3 years now, and replacing the tensioner - which Adelaide BMW told me would fix the problem - didn't fix it. I recently took it to an independent BMW specialist who reckons the HB is looking 'worn' and ought to be replaced. I just want to find out of this is an expected replacement on a high-mileage engine, or something unusual? Cheers, Dave. __________________ 2009 E90 320d M-Sport /// 2011.5 E70 X5 xDrive30d Last edited by KingClifton; 11-08-2018 at 06:36 PM..
	Appreciate 0 Tweet Quote

11-08-2018, 06:41 PM	#2
Ken Oath Lieutenant 114 Rep 410 Posts Drives: 2012 E92 330d Join Date: Feb 2017 Location: Perth, Australia iTrader: (0)	Three years, w0w. This issue is known about with the M57. https://www.e90post.com/forums/showthread.php?t=1254534
	Appreciate 0 Quote

11-14-2018, 05:00 PM	#3
Boganian Rubes Lieutenant Coal Burner 161 Rep 1,639 Posts Drives: 2008 BMW 320d e90 Join Date: Aug 2015 Location: Australia, Melbourne iTrader: (0)	*thinking of my 290k 320d.. Replacing a what? Lol
	Appreciate 0 Quote

11-15-2018, 03:10 AM	#4
Trev88 Lieutenant Colonel 182 Rep 1,543 Posts Drives: 320d e90 LCI Join Date: Jun 2014 Location: Melbourne iTrader: (0)	Never even heard of it. Mines a 2010 320d but only 116k
	Appreciate 0 Quote

11-15-2018, 05:07 AM	#5
juld0zer Lieutenant Colonel 480 Rep 1,600 Posts Drives: Prev 135i 7DCT, Now 130i 6sp Join Date: Jul 2016 Location: 2153 iTrader: (0)	Post up a video of it
	Appreciate 0 Quote

11-15-2018, 05:08 AM	#6
Pinarelloman Enlisted Member 8 Rep 45 Posts Drives: 2011 320D Join Date: Sep 2018 Location: Sydney iTrader: (0)	Mines a 2010 320D with 62,000km. I would shop around and ask a few independent shops before I trusted a dealership with the pride and joy.
	Appreciate 0 Quote

11-16-2018, 04:14 AM	#7
juld0zer Lieutenant Colonel 480 Rep 1,600 Posts Drives: Prev 135i 7DCT, Now 130i 6sp Join Date: Jul 2016 Location: 2153 iTrader: (0)	The pulley itself is very expensive. But it's something to check at least every oil change or every year because when it goes it can have some dramatic results. Aftermarket version are significantly cheaper. Don't forget the bolts and the front main seal
	Appreciate 0 Quote