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      12-30-2011, 08:53 PM   #1
javol
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35i downpipes?

Any experience with these ones?

http://www.madnessmotorworks.com/mad...535iz435i.aspx

Thanks!
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      12-31-2011, 01:39 PM   #2
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Supposedly DPs that are made for 1/3 series dont fit our car.
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      12-31-2011, 02:15 PM   #3
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Quote:
Originally Posted by STOOF View Post
Supposedly DPs that are made for 1/3 series dont fit our car.
A misleading advice you guess?
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      12-31-2011, 02:46 PM   #4
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Yeah i doubt they fit. Theres a few vendors on this board currently in progress making DPs for us.
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      01-15-2012, 09:44 AM   #5
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Quote:
Originally Posted by STOOF View Post
Yeah i doubt they fit. Theres a few vendors on this board currently in progress making DPs for us.
The question is: what exactly is necessary to fit some 135/335 DPs on the Z4?
I have read about the rear (to MPs) flanges...
Only that?
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      01-15-2012, 09:53 AM   #6
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cutting and welding
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      01-15-2012, 11:38 AM   #7
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theres a supplier call ********** who's seriously working on DP's for us.
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      01-16-2012, 08:34 AM   #8
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just buy Eisenmann exhaust and then you are set (just $3k)
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      01-16-2012, 01:36 PM   #9
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Quote:
Originally Posted by VintageBMW View Post
just buy Eisenmann exhaust and then you are set (just $3k)
Well I have Eisenmann and it is Downpipe back exhaust. OEM downpipes remian intact (which have the most restrictive factor due to cats).

I'm still waiting for someone to finally develop DPs for us. Recently I went to **********s to buy and install KW coilover set and talked to sales people and owner of the place. They insured me that they will contact AR and some other places to push development of DPs for our Z4 community.
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      01-16-2012, 05:55 PM   #10
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Quote:
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I'm still waiting for someone to finally develop DPs for us...
This history is getting old...
Seriously thinking to fit some 135/335 DPs by (a quite easy) cut and weld work on them...
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Last edited by javol; 01-31-2012 at 02:06 PM..
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      01-16-2012, 09:23 PM   #11
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Just someone give a car to AR Design so they can fabricate a pair of downpipes for us! These guys have the best downpipes for the N54 engine and they are asking for someone to lend them a car so the can get the production started for a long time now.
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      01-18-2012, 07:32 PM   #12
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Quote:
Originally Posted by javol View Post
This story is getting old...
Seriously thinking to fit some 135/335 DPs by (a quite easy) cut and weld work on them...
+1
There is a minimal amount of rocket science involved. Essentially just plumbing.
Need to find a wreck Z4, buy the oem primaries and ship them to AR to replicate the oe bolted interface planes from the Z4 onto their N54 DPs.
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      02-06-2012, 06:08 PM   #13
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Someone get me a tester car!!!!
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      02-07-2012, 12:29 PM   #14
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Someone get me a tester car!!!!
amen - it isn't hard folks. give up your car for a few days PLEASE if you live in the greater Denver area!!!
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      05-01-2012, 11:15 AM   #15
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Quote:
Originally Posted by ar design
Someone get me a tester car!!!!
Pm sent
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      05-01-2012, 11:22 AM   #16
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Replied.
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      05-03-2012, 08:20 AM   #17
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i ordered and i will install it this week
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      05-03-2012, 10:32 AM   #18
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We have a Z4 scheduled to come in on the 21st!
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      05-03-2012, 10:59 AM   #19
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We have a Z4 scheduled to come in on the 21st!
great - I will buy a ceramic coated set
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      05-04-2012, 07:27 AM   #20
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Thanks for getting the community taken care of! You'll have one happy guy to be the first one to get your down pipes!
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      05-04-2012, 10:01 AM   #21
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That is great to read. I need also a ceramic coated set with cats.
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      05-04-2012, 10:42 AM   #22
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That is great to read. I need also a ceramic coated set with cats.
+1
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