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Old 09-27-2014, 11:39 PM   #1
Gouldx87
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1989 320i broken exhaust

Hey guys

I have bought a 1989 320i but my exhaust is broken and needs to be replaced. I'm wondering if there are differences between the North American 325i exhaust and the euro spec 320i exhaust

Or alternatively what have others been using for an exhaust?
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Old 09-29-2014, 11:36 PM   #2
Yamahammer
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If you have a euro m20b20 the exhaust manifold might not line up with the NA 6cyl e30 downpipe/cat as some of those motors had this weird one piece manifold.
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Old 09-30-2014, 08:04 AM   #3
Gouldx87
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Oh alright I'll have to see what's on the car now then
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Old 10-02-2014, 10:23 PM   #4
Gouldx87
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Does this help at all to identify which i have? looks like a split manifold
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Old 10-03-2014, 04:52 PM   #5
Ceeker
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looks identical to a b25 exhaust manifold. you shouldnt have any problem getting an exhaust system here. I believe the only difference between 320-325 is the bore.
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I think I've had 14 bmw's in 4 years.
2 IX's -sold and parts
2 325i 4 dr - sold
4 318is all white - sold and parts
1 87 325is red - parts
1 89 325i vert grey - parts
1 90 325is white - keepin
1 87 325i vert -red - keepin
latest addition 1 88-325is red - parts
latest addition 1 89-325i vert - white -fixin/sold
latest addition 1 92-318i vert - blue - parts
latest addition 1 87 325is blk - parts.

latest addition as of 2013-Gold 87-325is auto! it's a keeper!
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Old 10-03-2014, 08:49 PM   #6
Gouldx87
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Awesome thanks!
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Old 10-03-2014, 09:55 PM   #7
TSI
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Quote:
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looks identical to a b25 exhaust manifold. you shouldnt have any problem getting an exhaust system here. I believe the only difference between 320-325 is the bore.
This. Have fun with the 02 sensor
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Old 10-03-2014, 10:51 PM   #8
Gouldx87
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Going to be really difficult?
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Old 10-03-2014, 11:11 PM   #9
TSI
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Going to be really difficult?
Most likely. You manifold flange nuts are also likely seized. Hint: apply lots of penetrating oil the night before and plenty of heat right before trying to take this off.
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Old 10-04-2014, 06:53 AM   #10
Gouldx87
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OK thanks for the tip I appreciate it!
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Old 10-04-2014, 08:04 AM   #11
Ceeker
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if the exhaust manifolds don't leak why need to remove them? yes his 02 sensor may not allow to pass emissions here but I'd take that chance and just get a cat back exhaust. in the end if it fails emissions you can easily get at it from underneath with a proper 02 sensor removal socket. just get lots of heat on it and you should be fine.
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I think I've had 14 bmw's in 4 years.
2 IX's -sold and parts
2 325i 4 dr - sold
4 318is all white - sold and parts
1 87 325is red - parts
1 89 325i vert grey - parts
1 90 325is white - keepin
1 87 325i vert -red - keepin
latest addition 1 88-325is red - parts
latest addition 1 89-325i vert - white -fixin/sold
latest addition 1 92-318i vert - blue - parts
latest addition 1 87 325is blk - parts.

latest addition as of 2013-Gold 87-325is auto! it's a keeper!
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Old 10-04-2014, 10:05 AM   #12
Gouldx87
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The car has been safety inspected in Nova Scotia before
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Old 11-19-2014, 03:54 PM   #13
Sea Aych
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Most likely. You manifold flange nuts are also likely seized. Hint: apply lots of penetrating oil the night before and plenty of heat right before trying to take this off.
Be careful with the nuts from the manifold to the downpipes - they're easy to strip if you're not careful with lining up your socket properly - make sure you get lots of extensions!
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Old 11-19-2014, 05:22 PM   #14
Gouldx87
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Since I posted this I have bought a parts car with a good 2.5 inch single pipe and exhaust I may just take the whole thing... Muffler is kind of fart Canish but better then nothing for now
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