BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      08-18-2012, 09:36 AM   #23

Drives: BMW 135i 2010
Join Date: Jul 2012
Location: Island long

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Awesome info man

Originally Posted by CJ421 View Post
They are all OEM parts save for the rear toe arms - the M3 ones do not work on a non-M. I got the Rogue Engineering adjustable rear toe arms from VAC Motorsports - call to order them. They are a Rogue dealer. Or PM Mike@VAC here.

I have part #s on for the M3 pieces - put these in their search:

The whole kit - PKE9XM3SUSPENSION

Strut tower brace - PKE9XM3BRACE
Front control arms/tension strut retrofit kit - PKE9XM3ARMS
Rear guide rod set - PKE9XM3RGUIDE
Rear wishbone set - PKE9XM3REARWISH
Rear sway bar kit - PKE9XM3RSWAYKIT
Front sway bar kit - PKE9XM3FSWAYKIT

Only thing I can't seem to find individually is the rear subframe bushings. You can add them to the whole kit or the front control arms/tension struts retrofit kit when you order however ^.

Powerflex makes many bushings for the E8X -
#19/20 in their diagram are alternatives to the M3 bushings. I personally like the M3 bushings, they're around the same price and it is an OEM part.

You can look at the Meyle HD parts as alternatives to the M3 parts. (warning: PDF link)
I personally don't have experience with those; the reviews I've read indicate they are of excellent quality (made in Germany) and good upgrades over stock. They are in-between the stock part and the M3 parts in terms of what they'll do for handling. Pretty good run-down here of what they offer.
I'm saving this info for when I get my 135
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      08-18-2012, 11:30 AM   #24
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Drives: 2015 M3 6MT & 2013 CTS-V Wagon
Join Date: Jul 2008
Location: Houston

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Originally Posted by sharkatron View Post
Apparently the rear subframe bushings.
True if installed yourself. Usually about $700.00 for install.
2015 M3 MG/SO 6MT, MPE
2013 135is 6MT Carbon Black SOLD, Dinan Stg 2
2013 CTS-V Wagon AT Thunder Grey
2012 135i DCT Space Gray- SOLD, Dinan Stg 2
2009 C63 Perf Pkg Polar White- SOLD, Kleeman
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      08-19-2012, 01:13 AM   #25
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Drives: E90 325i, E82 135i
Join Date: Mar 2009
Location: Sydney, Australia

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The M3 front arm kit makes a really big difference to the steering feel. The negative front camber makes the handling feel dramatically sharper, and the harder bushings give it a more tactile feel. IMO that's the next thing to do after tires, springs, dampers and sway bars.

For me the BMW performance suspension was about a 50% fix for the rear end unpredictability of the 135i. The rear of my car still moves around a bit, so its not perfect but at least I'm enjoying the handling of the car for now.
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      08-26-2012, 01:00 AM   #26
It's just not cricket
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Drives: 135i N55
Join Date: Jul 2012
Location: Aus

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So I'm still in limbo do I buy ALL the M3 rear suspension upgrades, Guide Rod Kit, Rear Sway bar, Bushings and upper link kit and rear toe control arms (on stock m suspension) or will the bushings alone really make all the difference and the rest not worth it unless I'm looking at taking 10ths off my lap times?
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