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Thread: Rear wheel spacers (15mm) hitting brake calipers??

  1. #1
    Join Date
    Apr 2019
    Location
    Oregon
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    4
    My Cars
    1993 325is

    Unhappy Rear wheel spacers (15mm) hitting brake calipers??

    Hey, guys. I recently bought two sets of spacers (20mm for up front and 15mm for the rear). I installed the front without an issue, however when I got to the back, I couldn’t get my wheel to turn once the spacer and lugs were attached. I’m wondering if this is normal, and if there is a way around it. I put back my stock lugs and took the rear spacers on both sides and the car drives like normal. Super bummed to have them not working out. Any help would be appreciated!

  2. #2
    Join Date
    Jun 2016
    Location
    California
    Posts
    1,223
    My Cars
    E36 325is
    Get wheel studs, looks better, problem solved.

  3. #3
    Join Date
    Apr 2019
    Location
    Oregon
    Posts
    4
    My Cars
    1993 325is

    What’s the difference?

    Quote Originally Posted by FiberFast View Post
    Get wheel studs, looks better, problem solved.
    I thought studs just change the bolt pattern... I’m honestly just looking for some poke. My 20mm in the front are honestly to small for the look I want :P

  4. #4
    Join Date
    Oct 2003
    Location
    Seattle
    Posts
    5,813
    My Cars
    99 M3
    Are the tire rubbing the fender with spacers installed?


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  5. #5
    Join Date
    Apr 2019
    Location
    Oregon
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    My Cars
    1993 325is

    Nope! It’s got a way to go before it’ll rub

    It’s at a stock ride height I’m pretty sure and even if I had spacers twice the size it wouldn’t rub. Like in the front I probably have a 1in. gap and in the back at least a 2-3 in. gap in the front . I do definitely want some coil overs in the future, so eventually I’ll have to work around that .


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  6. #6
    Join Date
    Jun 2016
    Location
    California
    Posts
    1,223
    My Cars
    E36 325is
    Quote Originally Posted by Kcdrobena View Post
    I thought studs just change the bolt pattern... I’m honestly just looking for some poke. My 20mm in the front are honestly to small for the look I want :P
    https://www.ecstuning.com/b-ecs-part...001467ecs06kt/
    This will solve all your problems. You are welcome. Now you say the 20mm in front is not enough? Got a pic? I was thinking about running 15mm front 10mm rear... Maybe I need more, What rims tires are you running?

  7. #7
    Join Date
    Aug 2009
    Location
    sunnyvale CA
    Posts
    1,592
    My Cars
    325is
    Is it possible you put the long bolts for 20 on the rear and the short 15 in the front? thus the interference and non rotation? Just a thought.

  8. #8
    Join Date
    Jun 2002
    Location
    Crystal Lake, IL
    Posts
    865
    My Cars
    '10 E90 M3
    Quote Originally Posted by gc325is View Post
    Is it possible you put the long bolts for 20 on the rear and the short 15 in the front? thus the interference and non rotation? Just a thought.
    My thought as well.
    Current Whips: 10 E90 ///M3 - 04 GMC Sierra CCSB - 19 VW Atlas

    Past BMW's:
    85 325 - 87 325is M-Tech 1 - 91 318is S50 swapped - 91 318i 'vert
    97 M3/2 - 98 M3/4/5 (Alpine/Modena) - 98 M3/2 - 98 M3/4 (Dakar)
    06 330xi - 09 335i

  9. #9
    Join Date
    Apr 2019
    Location
    Oregon
    Posts
    4
    My Cars
    1993 325is

    Hmm

    Quote Originally Posted by gc325is View Post
    Is it possible you put the long bolts for 20 on the rear and the short 15 in the front? thus the interference and non rotation? Just a thought.
    I’ll look into that...
    good idea!

  10. #10
    Join Date
    Jun 2005
    Location
    New England
    Posts
    25,412
    My Cars
    F90 M5; E36 M3 Turbo
    It is possible that due to the contour of the barrel of the wheel, spacers caused caliper contact. I am guessing these are 15” wheels? You might be able to grind down the caliper. I did that so I could run 15” drag radials on my 99M3 years ago. 16” wheels fit no problem with the M3 rear brakes.

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