Im putting a 91' m30 from a e32 in my e30 and need to know what to do about the exhaust. I have the downpipes from the e32 but no cats, o2, ect.... I plan on getting a custom exhaust welded on from the downpipes down. I dont want to run a cat... just a straight pipe and muffler. What do I do about the o2 sensor? Where do I put it..? Thanks.
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84' 318i m30b35 swapped!
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Anywhere is fine... the exhaust shop is well versed in this...Joe Funk -- Portland Oregon
That Guy.
03 X5. 3 liter obviously. -
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I believe the wiring for the o2 sensor are wiring colours : brown/green, green/white and brown, it's on a black 4 slot plug (although it only uses the 3 slots) next to the large connector for the ecu.
Brown/green - heater
Green/white - sensor
brown - earth
Hope this helps!!///Monstrosity. (OO≡≡[][]≡≡OO)
Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.
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What size exhaust is recommended for a m30b35 with a ebay chip? Whats better two individual pipes going to the muffler or both going into one big ass straight pipe to the muffler. Thanks.84' 318i m30b35 swapped!
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Single pipe the whole way through will be the cheapest way to do it, Why get the whole thing done, I'm only getting the front half done when I do my swap and just adapting it to my original system (twin 1.5" whole way through!)Originally posted by flawdaboi407 View Post
Also, does my info about the o2 sensor wiring sound correct?
TIA.///Monstrosity. (OO≡≡[][]≡≡OO)
Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.
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Im not looking for the cheapest way but the best power. I cant do it like speedhop because my car is a 4cyl and only have one pipe to begin with. So I can merge both downpipes on the m30 into one big straight pipe? How big 2.5" or 3"?
ps. The 535s and 735s have two individual pipes going all the way back.84' 318i m30b35 swapped!
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im doing dual 2 and 1/4 thru 2 glass pacs, to add to this, is it bad to not have a connecting pipe??? like and x or h pipe between the 2 pipes? and if i dont have a connecting pipe should i run 2 O2 censors and wire them together or will running one in one side work???Comment
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