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Go Back   E46Fanatics > Tuning & Tech > Suspension & Braking

Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 09-19-2008, 12:18 AM   #1
I8URLS1
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M3 brakes on non m?

What is required in this swap? Is it just the calipers and carriers? Thanks in advance.

Asking because I know a guy with an M3 who's going to move up to a big brake kit and I want to buy his brakes.
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Old 09-19-2008, 12:59 AM   #2
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From what I read, also rotors and pads.. then you'll need to get the carriers machined for the correct offset for clearance.
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Old 09-19-2008, 09:13 AM   #3
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^ that is correct, the carriers will need to be milled.

Also be careful in the rear, there are a few more parts to swap if you want your ebrake to work Not exactly sure what parts these are on an M3 swap, as most people just do the 330 upgrade.
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Old 09-19-2008, 11:36 AM   #4
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I just was going to do the fronts if I did it. Even with 19''s I'll have clearance issues?
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Old 09-19-2008, 11:41 AM   #5
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Just use the M3 wheels are a reference.. stock are 18's and I believe some people run 17's in the winter. Your 19's should not be an issue unless they are odd.
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Old 09-19-2008, 11:54 AM   #6
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I just was going to do the fronts if I did it. Even with 19''s I'll have clearance issues?
its not a clearance issue with the wheel. its the carrier which is a separate piece from the caliper.
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Old 09-19-2008, 12:02 PM   #7
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Quote:
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its not a clearance issue with the wheel. its the carrier which is a separate piece from the caliper.
never seen a pic of your car before. sick OG look!
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Old 09-19-2008, 12:04 PM   #8
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thx, its super poor tho
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Old 09-19-2008, 12:07 PM   #9
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its not a clearance issue with the wheel. its the carrier which is a separate piece from the caliper.
If you referring to the milling of the carrier, I think you meant, clearance between the rotor and caliper.
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Old 09-20-2008, 11:34 PM   #10
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I'm not familar with the M3 rotors. If they are the same as the BMW Motorsport rotors, then that means they are a few milimeters thicker than the non-M rotors. You need new carriers/brakets to relocate the rotor centerline to match the thicker M rotors.
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Old 09-30-2008, 07:06 PM   #11
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^ that is correct, the carriers will need to be milled.

Also be careful in the rear, there are a few more parts to swap if you want your ebrake to work Not exactly sure what parts these are on an M3 swap, as most people just do the 330 upgrade.


whats the 330 upgrade?
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