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
Cylinder Head - Complete - E30 325i, E34 525i, M20 engine
Upgrade to the less restrictive cylinder head found on the M20 2.5L
AMC - Corporate Logo
T#:222771
Part#: 11121707032C
Ships in 8 Business Days
$ 1,322.99 USD
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$ 1,322.99 USD
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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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ARP Rod Bolt Set - M20 - 53mm
ARP Rod Bolt Set - M20 - 53mm
VAC Motorsports - Corporate Logo
T#:1061435
Part#: ARP-RBS-M20
Ships on Aug 5, 2026
$ 314.99 USD
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$ 314.99 USD
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ARP, the world’s leader in fastener technology. There is no substitute for the best! Planning to boost your M20? Building a high HP stroker engine? This rod bolt kit is for you! This kit provides higher strength, more clamping power, and the option to re-use the hardware unlike your OEM bolts. We run these in many of our own builds as well and are 110% satisfied with the fit and finish of these ARP bolts. We offer a 53mm UHL version for those running OEM M20 rods or a 44mm UHL version for those who have upgraded to S50/S52 OEM rods.
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Cylinder Head - Bare - E30 325i, E34 525i, M20 engine
Cylinder Head - Bare - E30 325i, E34 525i, M20 engine
AMC - Corporate Logo
T#:22168
Part#: 11121707032
Ships on Aug 12, 2026
$ 999.00 USD
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$ 999.00 USD
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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
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BMW E28 / E30 / E43 - M20 Complete Cylinder Head Basic Replacement Kit
BMW E28 / E30 / E43 - M20 Complete Cylinder Head Basic Replacement Ki...
Upgrade to the less restrictive cylinder head found on the M20 2.5L
Packaged by Turner - Corporate Logo
T#:2810081
Part#: 11121707032-3KT
Ships in 8 Business Days
Sale - Save 1% $ 1,614.99

This product was last offered at the strikethrough price on
05-03-2026

$ 1,600.35 USD
Free Shipping
Add to Wish List
Sale - Save 1%
$ 1,614.99

This product was last offered at the strikethrough price on
05-03-2026

$ 1,600.35 USD
Free Shipping
Add to Wish List
Includes all of the necessary components to service and replace the head on your M20 powered BMW
Complete Cylinder Head Basic Replacement Kit M20 2.5L / 2.7L
Complete Cylinder Head Basic Replacement Kit M20 2.5L / 2.7L ...
Packaged by Turner - Corporate Logo
T#:22822554
Part#: E30HEADRPLCKT
Ships in 8 Business Days
$ 1,607.99

This product was last offered at the strikethrough price on
05-03-2026

$ 1,603.31 USD
Add to Wish List
$ 1,603.31 USD
Add to Wish List
Upgrade your BMW M20 2.5L and 2.7L engine with our Complete Cylinder Head Basic Replacement Kit . This kit includes the following essential components:
  • Cylinder Head Washer
  • BMW Coolant / Antifreeze - 1 gallon
  • Copper Exhaust Lock Nut
  • Oil Filter
  • Cylinder Head Bolt Set
  • Engine Oil Drain Plug Washer
  • Dielectric Spark Plug Boot Protector
  • BMW TwinPower Turbo 5W-30 Engine Oil
  • Cylinder Head Gasket
  • Assembly Lube - 4 oz
  • Engine Oil Drain Plug
  • M20 Cylinder Head - complete
Ensure a seamless and efficient replacement process for optimal performance.
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