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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 07-11-2005, 03:27 AM   #1
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DIY: Fitting Porsche Calipers unto BMW??

Anyone ever done this or know where I can find a DIY on it?
Thanks
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Old 07-11-2005, 10:29 PM   #2
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Anyone ever done this or know where I can find a DIY on it?
Thanks

Try this site:

www.whyintheworldwouldyoudothis.com
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Old 07-11-2005, 11:19 PM   #3
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Originally Posted by 04ragtop
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Old 07-12-2005, 04:44 PM   #4
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Old 05-25-2008, 04:32 PM   #5
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Old thread resurrection alert!! but look what i found, not a diy but someone selling a porsche BBK for a e46 on ebay germany:

http://cgi.ebay.de/BMW-E46-PORSCHE-B...d=p3286.c0.m14
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Old 05-26-2008, 12:17 AM   #6
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Maybe he has some porsche breaks laying around or can get some cheap ones and wants to put them on an e46....
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Old 05-26-2008, 05:53 AM   #7
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why not?
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Old 09-27-2012, 11:54 AM   #8
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I have found porsche calipers. Has anybody done this and have a diy or something. Pretty much sure I need brackets but would like to know how the it goes.
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Old 09-27-2012, 01:17 PM   #9
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Because 996/Boxster S calipers are 4 pot brembos, keep the brake balance pretty close to stock, and can be had fairly cheap due to their abundance.
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Old 10-02-2012, 07:50 PM   #10
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brackets

Check Rallyroad.com.
He makes brackets... for Porsche brakes maybe e36, maybe e46 also.
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Old 10-02-2012, 11:13 PM   #11
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Think you meant rallyroad.net
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Old 10-03-2012, 09:28 AM   #12
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Boxster S calipers are not a performance upgrade over 330i calipers and rotors. I measured them and prototyped brackets more than 10 years ago. The pad volume is no better and the pads are very expensive.
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Old 10-03-2012, 09:39 AM   #13
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Boxster S calipers are not a performance upgrade over 330i calipers and rotors. I measured them and prototyped brackets more than 10 years ago. The pad volume is no better and the pads are very expensive.
Spoken like someone who's never been to the track. The benefit is even pad pressure with a 4-pot system.
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Old 10-04-2012, 01:38 PM   #14
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Spoken like someone who's never been to the track. The benefit is even pad pressure with a 4-pot system.
I believe my track days numbering in the triple digits, thousands of autocross runs, SCCA regional Solo 2 championships, and multiple endurance race podiums (LeMons) give me a pretty good knowledge base for offering an opinion in this area. In my opinion, a slight improvement in caliper rigidity is not worth the hassle when the required bracket is big and difficult to make and the pads are expensive. In my experience, I get good performance and pad life out of stock BMW brake systems with their single piston sliding calipers. Bolt-on factory upgrades such as a 330 system on a 325 provide huge performance for dollar. If the Boxster S caliper offered a significantly larger pad volume and longer useable track life, I would suggest trying them. They don't so I don't recommend them.
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