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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > 335 OEM Strut Bar-DIY



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uberschnell's Avatar 335 OEM Strut Bar-DIY
uberschnell
12-09-2007
So I bought the OEM strut bar before I was told that it wont fit, so I decided to make it work anyways.

1, You will need to shim the strut bar about 2mm to clear the stock air box. I machined a set of spacers, but decided to go to Ace Hardware and try out Stainless Washers instead...
  #22  
By Supramano on 01-21-2008, 10:00 AM
What exactly makes the 335 different from all the e90s that this doesnt fit properly. Is it the stock airbox ?...cause if that the case...wouldnt a nice CAI do the trick. Any other areas for concern other than the airbox?
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  #23  
By judec on 01-21-2008, 10:31 AM
oil cup?
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  #24  
By rwalker on 01-21-2008, 11:45 AM
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Quote:
Originally Posted by Supramano View Post
What exactly makes the 335 different from all the e90s that this doesnt fit properly. Is it the stock airbox ?...cause if that the case...wouldnt a nice CAI do the trick. Any other areas for concern other than the airbox?
Yes, it's the stock airbox that presents the issue on the 335.

Yes, a CAI would help, but it costs a lot more than the shims .

-Rob

P.S. - the only CAI vendor that has confirmed that their product is compatible with the OEM strut tower brace is MSDSinc.
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  #25  
By GAM3OVR85 on 01-21-2008, 11:57 AM
Quote:
Originally Posted by rwalker View Post
You don't need to shim anything on the E9x 328 or 330 (or 320, etc). The OEM strut bar fits without modification or adaptation. There's another OEM strut bar DIY for non-335s. Try search.

-Rob
Thanks, i know Tischer Bmw has one
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  #26  
By rwalker on 01-21-2008, 12:14 PM
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Quote:
Originally Posted by MTL Bimmer View Post
Thanks, i know Tischer Bmw has one
I meant (and wrote) there's another DIY (for non-335s), not another bar. I was referring to this:

http://www.e90post.com/forums/showth...ighlight=strut

-Rob
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  #27  
By eecc on 01-21-2008, 10:48 PM
this install method would work the same on an e92 335i?
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  #28  
By rwalker on 01-21-2008, 11:48 PM
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Quote:
Originally Posted by eecc View Post
this install method would work the same on an e92 335i?
I'd be surprised if it didn't, but I can't say for certain; I haven't tried.

-Rob
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  #29  
By GAM3OVR85 on 01-22-2008, 12:18 AM
Quote:
Originally Posted by rwalker View Post
I meant (and wrote) there's another DIY (for non-335s), not another bar. I was referring to this:

http://www.e90post.com/forums/showth...ighlight=strut

-Rob
Oh my bad, i miss understood it. Thanks man
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  #30  
By McLuVan on 01-22-2008, 01:33 AM
do u feel a huge difference in handling?
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  #31  
By F30 Black Sapphire on 01-22-2008, 02:03 AM
Is there any difficulties when changing the Filter?
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  #32  
By rwalker on 01-22-2008, 10:23 AM
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Quote:
Originally Posted by bp1996_335i View Post
Is there any difficulties when changing the Filter?
There's no way you'd be able to change the filter without removing the center section of the bar first. It comes off in no time, though.

-Rob
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  #33  
By rwalker on 03-02-2008, 05:37 PM
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long term update on hoodliner

Quote:
Originally Posted by AM335 View Post
Rob, thanks for the post and pictures. Yes, please post again later when you have long-term effects on the hoodliner. Did you feel any difference with the STB? Thanks.
As promised, a long-term update on the state of the hoodliner.



As you can see, an indentation has developed where the brace contacts the hoodliner. Less obvious is that the dent is about the same depth as some of the molded-in indentations from the manufacturer. So, no big deal.

I'm still happy.

-Rob
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  #34  
By Nikos335i on 04-16-2008, 01:49 PM
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I was going to sell my strut tower brace unitl I saw this DIY!!!

Might end up doing it this week-end.

Thanks!
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  #35  
By Nikos335i on 05-30-2008, 01:22 PM
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Well ended up doing the install last week finally!!! I installed it rwalker way but I did not like the fact that the inside hole from the mounting bracket allowed very little thread for the nut. So I asked my brother in law to machine it, he made it 3mm deeper to allow a tighter and more snug fit.

Here are some pics, as for the machined portion you can tell if you look closely at the slight color difference:
Attached Images
     
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  #36  
By rwalker on 05-30-2008, 03:06 PM
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Quote:
Originally Posted by Nikos335i View Post
Well ended up doing the install last week finally!!! I installed it rwalker way but I did not like the fact that the inside hole from the mounting bracket allowed very little thread for the nut. So I asked my brother in law to machine it, he made it 3mm deeper to allow a tighter and more snug fit.

Here are some pics, as for the machined portion you can tell if you look closely at the slight color difference:
Looks like you only used 1 spacer under the inner mount hole. Is that right?

Looks good!

-Rob
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  #37  
By Nikos335i on 05-30-2008, 03:32 PM
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Quote:
Originally Posted by rwalker View Post
Looks like you only used 1 spacer under the inner mount hole. Is that right?

Looks good!

-Rob
Thanks! And thanks for your write up!

Yes only used one spacer as again thread was a concern even though I gave myself an extra 3mm still not 100% happy so I used 1.5mm spacers on the bar portion. Therefore .5mm overall diffencre between our installs!

Cheers!
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  #38  
By Richardo on 11-28-2008, 05:42 PM
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I have an '07 335i sedan and had this strut bar installed by the dealer when I bought the car (unfortunately they didn't check for incompatabilities with this specific model). Today I made the changes outlined in this DIY, and it worked well for me. Previously I had a fairly loud rattle resulting from the air filter rubbing against the strut bar, but the noise is completely gone now!

I used the rwalker method but with only 2 washers each on the left and right sides of the vehicle (4 total): 1) 1 on inner bolt of lower bracket and 2) 1 on inner bolt of upper bracket. The slight bending of the strut bar resulting from this configuration gave me plenty of extra clearance. Now after adding the washers, I have over 1 cm of clearance between the air filter cover and the strut bar.

Here are some pictures. You can see where the rubbing was occurring against air fliter cover (it actually looks worse in the picture than out in sunlight). I've also added a couple of reference pictures including the specific washers I used from Home Depot (which fit perfectly).

After making the changes, I test drove the car, and it appears to handle fine (no noticeable changes).

Hope these prove helpful to everyone.
Attached Images
    
Last edited by Richardo; 12-07-2008 at 09:58 PM.
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  #39  
By Jerseystyle1 on 11-01-2009, 03:24 PM
Has anyone tried this with an AFE DCI?
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