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





 

Post Reply
 
Thread Tools Search this Thread
      04-06-2014, 04:47 PM   #1
JSavela
Private
4
Rep
83
Posts

Drives: BMW 135i
Join Date: Oct 2010
Location: MN

iTrader: (1)

1M strut tower brace on a 135i

Since I just installed coilovers, I've been looking for a reasonably priced option to gain access to the tops of the struts for adjustments. I really wanted an OEM look, but considering I just wanted it for access, I couldn't justify the cost of a full M3 brace kit. I looked at pictures of a 1M and saw that it used a different brace than the M3. Looking through RealOEM confirmed that the 1M used the M3 strut tower rings, but used the same center mounting method as the 135. Once I compiled the PN's, and checked pricing, I found that the 1M brace "kit" (see pic below) could be pieced together for about $205. I ordered it all up hoping that it would fit and when it got here, everything bolted right up without any issues or modifications.

Here is the OEM 135i brace

Here is a comparison of the 135i and 1M braces:

Here is the 1M brace installed:

Here it is all back together:


Here is the complete part list:

QTY / PN / Description

1 / 51618055091 / Strut Tower Mounting Ring - Left (Same as M3 part)

1 / 51618055092 / Strut Tower Mounting Ring - Right (Same as M3 part)

1 / 51618051973 / SPRING DOME STRUT, LEFT (unique to 1M)

1 / 51618051974 / SPRING DOME STRUT, RIGHT (unique to 1M)

6 / 51717895241 / Hex Nut, M8 (These replace the 6 stock nuts that hold the strut in place)

4 / 31316769731 / Self Locking Collar Nut, (same nut as the 6 getting replaced by the PN above. So, if you want, you could use 4 of those 6 instead of buying these 4 new ones)

2 / 51617891281 / Strut Tower Covering Cap

Last edited by JSavela; 04-09-2014 at 07:33 AM.. Reason: Added Strut Tower Covering Cap and PN's
Appreciate 0
      04-06-2014, 05:10 PM   #2
ilikebmxbikes
Brigadier General
ilikebmxbikes's Avatar
1467
Rep
4,738
Posts

Drives: S65 1M Clone & E92 M3 4.6L
Join Date: Apr 2011
Location: San Francisco

iTrader: (42)

Garage List
Nice write up and thank you for sharing part numbers. This thread is a good contribution. Previously people have been installing modified M3 braces but this is much easier.
__________________
Appreciate 0
      04-06-2014, 05:37 PM   #3
Derk1127
Private First Class
United_States
4
Rep
110
Posts

Drives: 2009 AW 135
Join Date: Sep 2008
Location: Seattle, WA

iTrader: (1)

Thanks for this, I actually just got the parts from ECS to do this, it took about a month to get though because the bars were special order!
Appreciate 0
      04-06-2014, 06:10 PM   #4
sour97
Second Lieutenant
sour97's Avatar
No_Country
12
Rep
241
Posts

Drives: 08 135i
Join Date: Jul 2012
Location: Burnaby

iTrader: (6)

thanks. for the post. feel and difference compare to OEM?
Appreciate 0
      04-06-2014, 07:04 PM   #5
Eddie135
N55 Commando
Eddie135's Avatar
Australia
35
Rep
793
Posts

Drives: 135i - DCT - N55
Join Date: Jul 2011
Location: Melbourne

iTrader: (0)

Send a message via MSN to Eddie135
That is a really cheap price, compared to getting the modified M3 ones.

Last edited by Eddie135; 04-07-2014 at 07:11 PM..
Appreciate 0
      04-06-2014, 07:28 PM   #6
Dackelone
European Editor
Dackelone's Avatar
Germany
8974
Rep
22,858
Posts

Drives: N54 e82
Join Date: Feb 2010
Location: Bayern, Germany

iTrader: (1)

NICE work!

Thanks for posting the part numbers. I might just have to look into this mod now.
__________________
Appreciate 0
      04-07-2014, 09:14 AM   #7
SalemChiro
Second Lieutenant
8
Rep
269
Posts

Drives: 135i vert
Join Date: May 2012
Location: MA

iTrader: (0)

Thanks for posting this.

Would this fit the N54 also?
Appreciate 0
      04-07-2014, 09:46 AM   #8
JSavela
Private
4
Rep
83
Posts

Drives: BMW 135i
Join Date: Oct 2010
Location: MN

iTrader: (1)

Thanks for the kind words guys. The install was about as easy as they come. I never completely removed the large center ext torx bolt, just loosened it enough. I slid the old dome strut out and replaced it with the new one one side at a time. The entire job took me about 30 mins, even with stopping to take pictures along the way.

As far as performance improvement, I'm not in a position to notice if there is. I just took my car out of storage and bolted on a set of coilovers, subframe bushings and M3 arms. As a complete setup, it feels great. I would guess the 1M brace had nothing to do with the transformation. That wasn't the goal of this mod anyways. It was all about gaining access to the strut tops and keeping that OEM look without spending $400 on a full M3 brace.

It also took me about a month to get the parts because the dome struts were special order. The availability of the dome struts is my only concern about this upgrade. Manufacturers typically make a certain number of extras to stock for replacement parts. Since the dome struts are unique to the 1M, I doubt they made a whole lot of extras. I wouldn't be surprised if us 135 owners bought up their stock of extras fairly quickly.
Appreciate 0
      04-07-2014, 10:02 AM   #9
JSavela
Private
4
Rep
83
Posts

Drives: BMW 135i
Join Date: Oct 2010
Location: MN

iTrader: (1)

Quote:
Originally Posted by SalemChiro View Post
Thanks for posting this.

Would this fit the N54 also?
Yeah, it'll work on the N54 coupe. I'm not sure about the convertible since I don't know if they use the same type of stock bracing.
Appreciate 0
      04-07-2014, 01:12 PM   #10
vivanapoli806
Captain
75
Rep
797
Posts

Drives: 2012 535i Xdrive Msport
Join Date: Apr 2013
Location: Chicago Burbs

iTrader: (1)

Thanks for posting. Will be doing this for sure. Got quoted $186 for all the parts, not bad at all
Appreciate 0
      04-07-2014, 01:25 PM   #11
JSavela
Private
4
Rep
83
Posts

Drives: BMW 135i
Join Date: Oct 2010
Location: MN

iTrader: (1)

For those of you who are pricing things out, it's worth mentioning that the 6 nuts ring up at about $10 each. Since the OEM studs aren't long enough to reach up beyond the thickness of the black mounting rings, these special nuts are required. If someone comes up with a cheaper option (replacing studs or alt. source), let us know what worked for you.
Appreciate 0
      04-07-2014, 02:58 PM   #12
SalemChiro
Second Lieutenant
8
Rep
269
Posts

Drives: 135i vert
Join Date: May 2012
Location: MA

iTrader: (0)

Quote:
Originally Posted by JSavela View Post
Yeah, it'll work on the N54 coupe. I'm not sure about the convertible since I don't know if they use the same type of stock bracing.

Just checked my convertible...looks the same.

If you've removed the strut alignment pin, do you think this brace would allow you to still slide the strut top in slightly to gain negative camber?
Appreciate 0
      04-08-2014, 12:54 AM   #13
ULOOKN
Private First Class
ULOOKN's Avatar
6
Rep
160
Posts

Drives: Carbon Black 125i M Sport Plus
Join Date: Aug 2012
Location: Brisbane

iTrader: (0)

Would you know if this would fit a coupe 125i?
Appreciate 0
      04-08-2014, 02:03 AM   #14
PeteA
Major
PeteA's Avatar
Australia
118
Rep
1,122
Posts

Drives: E30, E82
Join Date: Sep 2012
Location: Melbourne

iTrader: (3)

Not bad...but the HP Autosport one is functionally superior (even though it costs a bit more) as the mount point is a unified piece.

__________________
Appreciate 0
      04-08-2014, 08:48 AM   #15
JSavela
Private
4
Rep
83
Posts

Drives: BMW 135i
Join Date: Oct 2010
Location: MN

iTrader: (1)

Quote:
Originally Posted by SalemChiro View Post
If you've removed the strut alignment pin, do you think this brace would allow you to still slide the strut top in slightly to gain negative camber?
Good question, but I'm not sure. If I had to guess, if all of the nuts/bolts were loose, I bet there'd be enough slop to allow for the small adjustment.

Quote:
Originally Posted by ULOOKN View Post
Would you know if this would fit a coupe 125i?
If the 125 stock brace looks that same as mine, it should work. Companies like to share parts between cars, so I would think it would work.

Quote:
Originally Posted by PeteA View Post
Not bad...but the HP Autosport one is functionally superior (even though it costs a bit more) as the mount point is a unified piece.
I agree 100% that the M3 brace is superior to the 1M. If I were looking for a stiffer setup, I'd consider the M3 brace or even something that goes directly between the strut towers. For now, this is perfect for giving me access to the rebound adjustments.
Appreciate 0
      04-08-2014, 05:33 PM   #16
ULOOKN
Private First Class
ULOOKN's Avatar
6
Rep
160
Posts

Drives: Carbon Black 125i M Sport Plus
Join Date: Aug 2012
Location: Brisbane

iTrader: (0)

Quote:
Originally Posted by JSavela
Quote:
Originally Posted by SalemChiro View Post
If you've removed the strut alignment pin, do you think this brace would allow you to still slide the strut top in slightly to gain negative camber?
Good question, but I'm not sure. If I had to guess, if all of the nuts/bolts were loose, I bet there'd be enough slop to allow for the small adjustment.

Quote:
Originally Posted by ULOOKN View Post
Would you know if this would fit a coupe 125i?
If the 125 stock brace looks that same as mine, it should work. Companies like to share parts between cars, so I would think it would work.

Quote:
Originally Posted by PeteA View Post
Not bad...but the HP Autosport one is functionally superior (even though it costs a bit more) as the mount point is a unified piece.
I agree 100% that the M3 brace is superior to the 1M. If I were looking for a stiffer setup, I'd consider the M3 brace or even something that goes directly between the strut towers. For now, this is perfect for giving me access to the rebound adjustments.
Thanks for your reply.
I just ordered a set today
Appreciate 0
      04-08-2014, 10:41 PM   #17
Sixle
Private First Class
Sixle's Avatar
14
Rep
145
Posts

Drives: CR 135i N54 6MT
Join Date: Nov 2012
Location: Georgia

iTrader: (0)

Does the P/N for the mounting rings include the plastic ///M dust covers?


Edit: found the number for the caps

post the part # for the caps: 51617891281 x2


Last edited by Sixle; 04-09-2014 at 01:10 AM..
Appreciate 0
      04-09-2014, 07:03 AM   #18
3002 tii
Lieutenant General
3002 tii's Avatar
United_States
1105
Rep
11,291
Posts

Drives: Z4M, X3 35i, i3 REx
Join Date: Apr 2008
Location: CT

iTrader: (88)

Garage List
Question, it appears you have a n55? Did you have to modify the heater closing panel (like how HP Autosport requires to do so)?
__________________
Appreciate 0
      04-09-2014, 07:05 AM   #19
3002 tii
Lieutenant General
3002 tii's Avatar
United_States
1105
Rep
11,291
Posts

Drives: Z4M, X3 35i, i3 REx
Join Date: Apr 2008
Location: CT

iTrader: (88)

Garage List
Quote:
Originally Posted by JSavela View Post
For those of you who are pricing things out, it's worth mentioning that the 6 nuts ring up at about $10 each. Since the OEM studs aren't long enough to reach up beyond the thickness of the black mounting rings, these special nuts are required. If someone comes up with a cheaper option (replacing studs or alt. source), let us know what worked for you.
Do you know size and thread?
__________________
Appreciate 0
      04-09-2014, 07:11 AM   #20
MightyMouseTech
Major General
MightyMouseTech's Avatar
3378
Rep
5,343
Posts

Drives: 13 135i 6MT LeMans Blue MSport
Join Date: Feb 2013
Location: Ottawa, Canada

iTrader: (0)

This, this is fantastic! Thank you very much!
Appreciate 0
      04-09-2014, 07:40 AM   #21
JSavela
Private
4
Rep
83
Posts

Drives: BMW 135i
Join Date: Oct 2010
Location: MN

iTrader: (1)

Quote:
Originally Posted by Sixle View Post
Does the P/N for the mounting rings include the plastic ///M dust covers?


Edit: found the number for the caps

post the part # for the caps: 51617891281 x2

Not sure how I forgot to include these. Thanks for pointing it out. I've updated the original post. I'm sorry if anyone ordered up everything without the plastic caps.

Quote:
Originally Posted by 3002 tii View Post
Question, it appears you have a n55? Did you have to modify the heater closing panel (like how HP Autosport requires to do so)?
Nothing had to be modified. It was a direct replacement.

Quote:
Originally Posted by 3002 tii View Post
Do you know size and thread?
It's an M8, probably 1.25 pitch. You can remove one of your 6 stock strut mount nuts to double check.
Appreciate 0
      04-09-2014, 08:01 AM   #22
MightyMouseTech
Major General
MightyMouseTech's Avatar
3378
Rep
5,343
Posts

Drives: 13 135i 6MT LeMans Blue MSport
Join Date: Feb 2013
Location: Ottawa, Canada

iTrader: (0)

Hmm, going to be installing the Dinan fixed upper mounts, hope they will work with this.
Appreciate 0
Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 06:15 PM.




1addicts
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST