Are E36 exhaust manifolds prone to breaking - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 09-17-2007, 08:47 AM
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Are E36 exhaust manifolds prone to breaking

I have been told that the exhaust manifolds all have a weakness where they break right by the flange that bolts onto the engine. Is this true for all the different engines, or is it only for certain engines.

I have a 318i with an M42 motor and my manifold broke. When I bought the car a couple of years ago I noticed a hissing sound and had the manifold repaired after it completely broke off and the car started to sound like a Beetle. I have noticed the hissing sound again now only a week after having it repaired and I fear that it has broken again. Possibly poor workmanship, I hope not though. It goes "sssssssssss" when I put my foot down.
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#2 (permalink) Old 09-17-2007, 09:46 AM
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This is the first time I hear about an E36 exhaust manifold breaking

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#3 (permalink) Old 09-17-2007, 10:29 AM
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Perhaps its limited to my region...
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#4 (permalink) Old 09-17-2007, 07:16 PM
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those exhaust manifolds are cast iron mo-fo's, i highly highly doubt that its cracked, maybe its around the downpipe.

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#5 (permalink) Old 09-17-2007, 08:09 PM
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The exhaust manifold on my E36 M3 cracked just above the flange where it attached to the exhaust pipe. No cracks where it attached to the engine, though.



1999 E39 540i/6-VF Stage 1 S/C, Dinan exhaust, Dinan strut+shock braces, Dinan ltwt flywheel + clutch, Dinan Brembo BBK, Dinan monoball, H&R Springs, Koni Yellows, M5 sways, Dinan forged 18" wheels, &c.

1995 E38 740i. Highly modded. Faster than you.

Sold 2-28-07: 1997 E36 M3/4, 8-30-05 RIP 1997 528i


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#6 (permalink) Old 09-17-2007, 09:15 PM
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OBD 2 manifolds are different on I-6 e36's at least



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#7 (permalink) Old 09-17-2007, 09:16 PM
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take the advantage to get some headers??
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#8 (permalink) Old 09-17-2007, 09:18 PM
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Quote:
Originally Posted by saltshaker185
take the advantage to get some headers??
LOL, this was before I was making real money.



1999 E39 540i/6-VF Stage 1 S/C, Dinan exhaust, Dinan strut+shock braces, Dinan ltwt flywheel + clutch, Dinan Brembo BBK, Dinan monoball, H&R Springs, Koni Yellows, M5 sways, Dinan forged 18" wheels, &c.

1995 E38 740i. Highly modded. Faster than you.

Sold 2-28-07: 1997 E36 M3/4, 8-30-05 RIP 1997 528i


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#9 (permalink) Old 09-19-2007, 12:13 AM
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oh wait, i just noticed hes a 4 banger, my fault i thought he was obd1 6 cylinder, i think the 4 cly mani's are made differently

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