AMC Cylinder Head for BMW 3 Series E30 (1984-1991)

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BMW makes their cylinder heads from aluminum. While this is beneficial for many reason, they do not react well to overheating. Especially prevalent on older BMW engines, and over-temp situation has been known to cause the head to warp. Turner Motorsport carries Genuine BMW replacement heads and parts to make your next rebuild a success.
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Cylinder Head - Complete - E30 325i, E34 525i, M20 engine
Upgrade to the less restrictive cylinder head found on the M20 2.5L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AMC - Corporate Logo
T#:222771
Part#: 11121707032C
Ships on Jul 10, 2026
$ 1,322.99 USD
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$ 1,322.99 USD
Free Shipping
This replacement cylinder head for BMW M20B25 6 cylinder engine comes completely assembled with new valves, valve springs, valve guides and seals. Being assembled this cylinder head makes for a much quicker and easier job of installation. The camshaft is not included but is available separately.

This cylinder head is manufactured in Spain by Amadeo Marti Carbonell, a company that meets or exceeds the ISO 4000, ISO 9000 and TS-16949 standards so you can be assured of a quality part.BMW has discontinued this part so this is the only current source for M20 cylinder heads.

This item fits the following BMWs:
1988 E30 BMW 325e 325es
1987-1991 E30 BMW 325i 325ic 325is 325ix
1988 E28 BMW 528e
1989-1990 E34 BMW 525i
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Cylinder Head - Bare - E30 325i, E34 525i, M20 engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AMC - Corporate Logo
T#:22168
Part#: 11121707032
Ships on Jul 15, 2026
$ 999.00 USD
$ 999.00 USD
This replacement cylinder head for BMW M20B25 6 cylinder engine includes new valve guides and seals. The stock valve guides are not replaceable so if you need new guides you likely need a new cylinder head.This cylinder head is manufactured in Spain by Amadeo Marti Carbonell, a company that meets or exceeds the ISO 4000, ISO 9000 and TS-16949 standards so you can be assured of a quality part.BMW has discontinued this part so this is the only current source for M20 cylinder heads.

This item fits the following BMWs:
1988 E30 BMW 325e 325es
1987-1991 E30 BMW 325i 325ic 325is 325ix
1988 E28 BMW 528e
1989-1990 E34 BMW 525i
Show More Show Less