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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Purchased BMW Performance Suspension springs, pair with shorter bump stops?



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      08-30-2012, 01:27 AM   #89
yamazaho
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Just want to revive this thread since I found it very helpful for me. I followed the reviews and purchased my current setup, which are H&R sport springs, Koni yellow sports shocks, E36/E85 bump stops and new front spring pads. They are put onto my 2012 E92, and after two days of a little over 50 miles driving, I am very pleased with the setup. Ride feels about the same as OEM, and with my rear tires changed to non-RFT Michelin Pilot Super Sport, my ride actually feels softer going over bumps and dips.

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      08-30-2012, 10:00 AM   #90
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^ good call on the bumpstops. I'm sure they'll help ride quality alot with those springs.
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      08-30-2012, 10:37 PM   #91
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Hey yamazaho, I'm glad this thread was so helpful. Thanks for letting us know how your setup worked out for you.
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      08-30-2012, 10:55 PM   #92
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Quote:
Originally Posted by jwong77 View Post
Hey yamazaho, I'm glad this thread was so helpful. Thanks for letting us know how your setup worked out for you.
No problem OP, I would've probably gone for coils if I did not see this thread. I am glad I went with this spring + shock combo.

Here are some before and after pictures of my drop.

Front - Before



Rear - Before



Front - After



Rear - After



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      09-20-2012, 01:27 AM   #93
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Quote:
Originally Posted by yamazaho View Post
Just want to revive this thread since I found it very helpful for me. I followed the reviews and purchased my current setup, which are H&R sport springs, Koni yellow sports shocks, E36/E85 bump stops and new front spring pads. They are put onto my 2012 E92, and after two days of a little over 50 miles driving, I am very pleased with the setup. Ride feels about the same as OEM, and with my rear tires changed to non-RFT Michelin Pilot Super Sport, my ride actually feels softer going over bumps and dips.
What setting did you use or recommend for the Koni Yellows to?
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      10-10-2012, 08:51 AM   #94
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Quote:
Originally Posted by yamazaho View Post
Just want to revive this thread since I found it very helpful for me. I followed the reviews and purchased my current setup, which are H&R sport springs, Koni yellow sports shocks, E36/E85 bump stops and new front spring pads. They are put onto my 2012 E92, and after two days of a little over 50 miles driving, I am very pleased with the setup. Ride feels about the same as OEM, and with my rear tires changed to non-RFT Michelin Pilot Super Sport, my ride actually feels softer going over bumps and dips.

This sounds great! I am looking forward to getting this exact setup on my car. Just ordered the bumpstops and my Koni Yellow dampers are on the way, with my H&R sport springs waiting here.

Is it necessary to change the front spring pads? What benefits are there? could they just utilise my original ones?
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      10-10-2012, 12:17 PM   #95
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^ If you've got less than 50k miles, no need to change the spring pads. If you've got more miles, I would f/r, plus change the upper rear shock mounts and the upper strut mounts as they're a wear item
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      10-12-2012, 12:33 AM   #96
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Quote:
Originally Posted by Josh1a1h View Post
Is it necessary to change the front spring pads? What benefits are there? could they just utilise my original ones?
To be honest I got some new pads because I just want all parts new, I like my suspension components done right the first time around.


Since your car is an 07, I would def. recommend a set of new spring pads.
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      10-12-2012, 03:01 AM   #97
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How much do you think the following parts would set me back?
Spring pads
Upper rear shock mounts
Upper strut mounts (is that front and rear?)

I have not heard many people changing these items...
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      02-09-2013, 11:36 PM   #98
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Just to not let this very good thread be forgot. Really helpful and it has helped me to put together what I think is a properly matched setup.

H&R Touring Cup Kit
E36M3 Bump stops
E86Z4M Bump stops

I will install and comment what the setup is like.
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      08-06-2013, 02:13 PM   #99
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I want to bring back this thread from dead.

I am looking in to buying FK Coilovers. I've been told that they don't come with bump stops, but I can see front's having them in pics.

People who had E36M3/E86Z4M bump stops, could you please weigh in and give me your opinions? If you have to do it again, would you do the same bump stops?
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      09-17-2014, 04:07 PM   #100
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Sorry to bump such an old thread but...

Does anyone know the actual part number for the e90 performance springs?

Turner lists the fronts as 336788891 and the rear as 336788898; however, when doing a search the rear number doesn't show up anywhere except for Turner's website.

Just plugging in some different numbers on ECS I've come up with this.

Front:
336788891: listed as "front coil spring", photo of yellow spring, no models listed (Turner listed #)
336788892: listed as "front coil spring" photo of yellow spring, no models listed
336788893: listed as "BMWP front coil spring", photo of yellow spring, applicable to 1M coupe and 135i
336788894: listed as "front coil spring", no photo, no models listed

Rear:
336788898: part doesn't exist (Turner listed #)
336788899: listed as "rear coil spring", no photo, no models listed

536788898: listed as "rear coil spring". photo of yellow spring, no model listed
536788899: listed as "rear coil spring", photo of yellow spring, applicable to 1M coupe and 135i
536788900: listed as "rear coil spring", photo of yellow spring, no model listed
536788901: listed as "rear coil spring", no photo, no models listed


Based on that I'm assuming there's a typo on Turner's part and the number should start with 5. So are the numbers 336788891 and 536788898 correct for the e90?
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      09-17-2014, 04:43 PM   #101
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I went through the drill with Evan at getbmwparts.com and with my local dealer. Tried to get an answer from Evan by describing "2007 328i E90 with automatic transmission". His response was "give me the last 7 of your VIN". So I did, and he gave me part numbers, but no spring codes. Fronts ended with 1, can't recall on the rears and I deleted the PM.

The stock ZSP springs can be different for different E90: example mine were D5 /D4 f/r while an msport owner showed me D7/D5 f/r. Maybe there are different parts for different flavors of E90?

If you're planning on buying new, perhaps PM Evan, give him your VIN and he can tell you definitively?. I think their pricing is very close to what ECS shows anyhow.
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      09-19-2014, 12:19 PM   #102
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On the BMWUSA website this is what's listed for my car, 2011 335i coupe:

BMW Performance Suspension
33500444832



BMW Performance Suspension Spring / Front
31336788891




BMW Performance Suspension Spring / Rear
33536788898
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      09-26-2014, 07:04 PM   #103
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bMW Performance shocks with EPK springs and M3 and Z4 bumpstop. Ride is amazingly comfortable and its the perfect drop.
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