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Well, what car are you driving? 535i? (archive)

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Posted by Bruno on August 30, 2001 at 14:01:02:

In Reply to: Re: I did it last night on my 535i in 4 hours w/he posted by Jason Schieck on August 30, 2001 at 13:53:34:

If so, find another shop. If you don't cut the cat front pipes, well, for sure it will be too long.
You have to measure the cat pipes with the RD pipes at the angle. Both RD and cat angle at the same location then you know where to cut.
Get your RD pipes flanged at the pipe diameter then you just have to slide the cat inside the pipes and everything bolts on like a charme.

Beleive me, me and Bobby we have done it twice already...

'89 535i The procedure in the website soon...

I explained the procedure 15 post below.
Remove cat, remove manifolds, cut cat. pipes, place RD headers (with the tube flanged), place cat. See if it fits, install everything back on and weld the tubes.

Easy job with a lift, or hard of the body with jack stands.

Your shop wants to get a lot of money from you...

I can help you if you are in MI or Ontario, else you will have to fly me in....

'89 535i

i just got a call from my shop and they said it does not fit without heavy modification to the rear....according to my shop, any feedback??


it was explained to me that it was too long, like 2 feet too long, they said they could cut it but that then the rear muffler would not fit without sheetmetal modification...

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