M10 Cracked exhaust manifold

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davetech74
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Posts: 1
Joined: Sat Apr 08, 2017 2:33 pm
My E21(s): E21 318

M10 Cracked exhaust manifold

Post by davetech74 »

My 1981 RHD 316 has a cracked exhaust manifold.
After recently doing the head gasket and having the manifold off and back on it sounds worse now.
I can replace it with a second hand unit (if I can find one) but is there a better alternative?

My M10 is a 1.8 carbed motor and from what I read there is not a huge horsepower to be gained by modding the exhaust. FritzBits has an aftermarket one (I am not sure it will even fit my head) - http://www.fritzsbits.co.uk/exhausts-ma ... set-detail
And I think its pricey.

Do I have an alternative to the oem manifold?

Thanks for any advice.


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Jeroen
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Posts: 29994
Joined: Tue Sep 14, 2004 12:23 pm
My E21(s): '81 323i Baur
Location: The Netherlands
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Re: M10 Cracked exhaust manifold

Post by Jeroen »

Usually these last a lifetime! No prob grabbing a used example from a local supplier
Regards/groeten, Jeroen
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