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General E46 Forum
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Old 07-10-2011, 02:00 AM   #1
G325
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How to fit m3 csl diffuser onto m tech II rear bumper

Does anyone know how to do this? I've read that member xjunmoonx has done but he hasn't been online for over 2months so I get information from him directly. Does anyone know how he did it?
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Old 07-10-2011, 10:03 AM   #2
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Old 07-10-2011, 12:19 PM   #3
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alot of custom work. there's also a csl-like diffuser made for mtech2 rears out there.
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Old 07-10-2011, 12:26 PM   #4
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I know, that diffuser is ridiculously expensive tho. I know that he lowered his bumper, but is this necessary or can you just mold on the csl diffuser to the bumper?
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Old 07-10-2011, 01:18 PM   #5
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its not even the right size, you would have to measure and cut first then mold

edit: i'm pretty sure junmoon has a m3 rear bumper, which is why he got the csl diffuser to fit
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Old 07-10-2011, 01:33 PM   #6
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You are going to have to do a LOT of custom work to get it looking remotely nice.
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Old 07-10-2011, 07:19 PM   #7
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Its not happening, way cheaper and easier to get a diffuser for your mtech or get an m3 rear
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Old 07-11-2011, 03:20 AM   #8
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you could just mold it. but then you'll have the cut-out for the different tips


as mentioned, there is a company overseas that sells the m3 style rear insert for the M-Tech II bumper
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Old 07-11-2011, 10:36 AM   #9
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anyone know a rough estimate of how much it will be for a body shop to retrofit a m3 rear bumper?
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Old 07-11-2011, 12:37 PM   #10
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Quote:
Originally Posted by G325 View Post
anyone know a rough estimate of how much it will be for a body shop to retrofit a m3 rear bumper?
Probably atleast $500 with paint, given you have all the parts (bumper , support, diffuser ect.)

Then a few more for a new exhaust
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Old 07-11-2011, 12:49 PM   #11
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Probably atleast $500 with paint, given you have all the parts (bumper , support, diffuser ect.)

Then a few more for a new exhaust
minus the paint
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Old 07-11-2011, 05:34 PM   #12
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