rear shock top mount bushes

OTN55 · 04-13-2018, 10:31 AM

hi guys anyone here uprated the top bushes for the rear shocks? i bought some polyeurethane ones from strongflex eu and the harshness is 90SHa they feel very stiff not sure whether they will be any good? i know the standard ones are made out of foam. im running bilstein b14 coilovers

gjm120 · 04-13-2018, 11:02 AM

Look for the Monroe bushings. They are hard rubber. Cheap as chips and a good in-between the stock foam and poly.

I'd assume they are available in the UK.

dsjr2006 · 04-13-2018, 11:53 AM

I wouldn't go with poly bushings for street duty. Rubber or foam help keep the NVH low, you'll have more noise and vibration with these.

OTN55 · 04-13-2018, 01:46 PM

is this them?

feuer · 04-13-2018, 01:49 PM

Quote:

Originally Posted by OTN55

is this them?

No, these are: https://www.ebay.com/i/302571921483?chn=ps&dispItem=1

Dan Bilzerian · 04-19-2018, 03:27 AM

I'm running these. They're great. No issues at all with NVH

OTN55 · 04-19-2018, 03:55 AM

Quote:

Originally Posted by Dan Bilzerian

I'm running these. They're great. No issues at all with NVH

running what? the strongflex?

Dan Bilzerian · 04-19-2018, 03:56 AM

Quote:

Originally Posted by OTN55

running what? the strongflex?

Yep.

OTN55 · 04-19-2018, 03:57 AM

Quote:

Originally Posted by Dan Bilzerian

Quote:

Originally Posted by OTN55

running what? the strongflex?

Yep.

great someone who can help lol, theyre nearly solid tho did you get the yellow ones yeah?

Dan Bilzerian · 04-19-2018, 06:25 AM

Quote:

Originally Posted by OTN55

great someone who can help lol, theyre nearly solid tho did you get the yellow ones yeah?

YES. Literally the same ones. Like I said

OTN55 · 04-19-2018, 07:16 AM

Quote:

Originally Posted by Dan Bilzerian

Quote:

Originally Posted by OTN55

great someone who can help lol, theyre nearly solid tho did you get the yellow ones yeah?

YES. Literally the same ones. Like I said

sweet is it a noticable upgrade? i bought them on a whim

Dan Bilzerian · 04-19-2018, 09:41 AM

I can feel a slight difference. They just don't wear out like the OEM ones.

Kevin_The_Clean1 · 05-16-2018, 03:41 AM

Quote:

Originally Posted by Dan Bilzerian

I'm running these. They're great. No issues at all with NVH

Are you saying - you have the Power Flex upper rear shock mounts (in yellow) & you're not experiencing no increase in NVH back there... ?

Dan Bilzerian · 05-21-2018, 04:32 PM

Quote:

Originally Posted by Kevin_The_Clean1

Are you saying - you have the Power Flex upper rear shock mounts (in yellow) & you're not experiencing no increase in NVH back there... ?

Strongflex rear upper shock mount in poly and yes, there is no noise that I could hear.

Kevin_The_Clean1 · 05-21-2018, 05:37 PM

Quote:

Originally Posted by Dan Bilzerian

Strongflex rear upper shock mount in poly and yes, there is no noise that I could hear.

I'm glad I ordered them then! :-)

AndyS · 05-25-2018, 02:50 AM

I too have the powerflex yellows on the rear shock top mounts. I have the b14 kit and I fitted these after the standard ones wore out. Massive improvement and no issues with nvh.

zero2sixtyZ · 05-25-2018, 04:27 PM

I have the powerflex poly upper mounts as well. Had to go to a 12mm diameter mount due to the coilovers. No NVH. Car feels great.

Kevin_The_Clean1 · 06-03-2018, 04:05 PM

My 2011 335i sedan actually feels better & is quieter in the back end with these yellow Power Flex rear user & lower shock mounts...

04-13-2018, 10:31 AM	#1
OTN55 Second Lieutenant 38 Rep 165 Posts Drives: Fbo e92 n55 335i dct Join Date: Nov 2016 Location: Uk iTrader: (0)	rear shock top mount bushes hi guys anyone here uprated the top bushes for the rear shocks? i bought some polyeurethane ones from strongflex eu and the harshness is 90SHa they feel very stiff not sure whether they will be any good? i know the standard ones are made out of foam. im running bilstein b14 coilovers Attached Images
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04-13-2018, 11:02 AM	#2
gjm120 Colonel 2182 Rep 2,806 Posts Drives: 2013 128i, 2021 230i Join Date: Jan 2016 Location: East Texas iTrader: (1)	Look for the Monroe bushings. They are hard rubber. Cheap as chips and a good in-between the stock foam and poly. I'd assume they are available in the UK. __________________ E82 / BMWP Springs / Koni Yellows / M front control arms / Adjustable front endlinks / M rear guide rods / Whiteline Poly RSFB
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04-13-2018, 11:53 AM	#3
dsjr2006 Captain 157 Rep 848 Posts Drives: '01 E39 540iA, '09 E90 M3 Join Date: May 2013 Location: Metro Detroit iTrader: (1) Garage List 2010 BMW 335i [0.00] 2001 BMW 540i [0.00]	I wouldn't go with poly bushings for street duty. Rubber or foam help keep the NVH low, you'll have more noise and vibration with these. __________________ E90 M3 DCT LCI \| E90 LCI N54 M-Sport(retired) \| E90 Technical Docs download: http://j.mp/bmwe90docs *good read, very detailed.
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04-13-2018, 01:46 PM	#4
OTN55 Second Lieutenant 38 Rep 165 Posts Drives: Fbo e92 n55 335i dct Join Date: Nov 2016 Location: Uk iTrader: (0)	is this them? Attached Images
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04-19-2018, 03:27 AM	#6
Dan Bilzerian Major 355 Rep 1,192 Posts Drives: E90 325i 6MT Join Date: Aug 2014 Location: Edmonds,WA iTrader: (0)	I'm running these. They're great. No issues at all with NVH
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04-19-2018, 09:41 AM	#12
Dan Bilzerian Major 355 Rep 1,192 Posts Drives: E90 325i 6MT Join Date: Aug 2014 Location: Edmonds,WA iTrader: (0)	I can feel a slight difference. They just don't wear out like the OEM ones.
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05-25-2018, 02:50 AM	#16
AndyS Private First Class 14 Rep 108 Posts Drives: 335i touring pre lci. Join Date: May 2014 Location: London iTrader: (0)	I too have the powerflex yellows on the rear shock top mounts. I have the b14 kit and I fitted these after the standard ones wore out. Massive improvement and no issues with nvh. __________________ E91 335i. 220 wheels. Active Autowerkes intercooler. Custom Performance Engineering charge pipe. Tial bov. Bms dci. Bilstein b14 coilovers. Roof rail delete. Secondary cat delete. Custom remap. 420 bhp
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05-25-2018, 04:27 PM	#17
zero2sixtyZ Colonel 951 Rep 2,669 Posts Drives: e92 + f15 Join Date: Jan 2012 Location: Cambridge, MA iTrader: (4) Garage List 2007 335i Coupe [9.50] 2015 X5 xdrive50i [10.00]	I have the powerflex poly upper mounts as well. Had to go to a 12mm diameter mount due to the coilovers. No NVH. Car feels great.
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06-03-2018, 04:05 PM	#18
Kevin_The_Clean1 Brigadier General 3230 Rep 3,889 Posts Drives: 2020 X3 MC Join Date: Jan 2016 Location: Campbell, CA iTrader: (11)	My 2011 335i sedan actually feels better & is quieter in the back end with these yellow Power Flex rear user & lower shock mounts... __________________ 1998 E36 M3 - Totaled 2003 E39 M5 - Gone but not forgotten 2011 E90 335i M-Sport - Daily Driver 2017 F87 M2 - Sold & missed 2020 F97 X3 M Competition - Finally arrived ///
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