Re: Conversion to a dual exhaust (from e to i?)

[Jason Lile <jason@xxxxxxxxxxxxxxxxxxxxxxx>]

MrReeLiZm@domain.elided wrote:

> Some people have said they've used the 325i cat with stock 325e exhaust
> manifolds but i know for a fact that 325e manifolds are different.  Not only
> are they smaller diameter but they are angled different as well.  You are
> better off getting the 325i exhaust manifolds.  You'll need 325i exhaust
> manifolds; 325i cat, 325i rear muffler, and maybe even brackets as well.  Make
> sure u buy the right 325i cat for your auto or 5spd E30 so that you can mount
> the cat to the tranny.  The stock 3 wire O2 sensor will have to be rerouted to
> the engine compartment but this is no big deal.

While it's true that the 325e and 325i exhaust manifolds have different part
numbers, you can mount the catalyst to either one interchangeably.  I have a 325i
exhaust system on my '84 325e with the original manifolds.  FWIW.


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___________________________________________________________
Jason Lile                               Administrator
Parts Manager                            BMW Parts Digest
Zionsville Autosport
http://www.zionsvilleautosport.com

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