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BMW Internal Engine Parts

Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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Cylinder Head - Complete - E30 325i, E34 525i, M20 engine

T#:222771

Part#: 11121707032C

In Stock

$ 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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Cylinder Head - Complete - M52, S50, S52

T#:19419

Part#: 11121703637

Ships on Sep 15, 2026

$ 2,315.99 USD

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$ 2,315.99 USD

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This replacement cylinder head for BMW S52 S50 M52 6 cylinder engine comes completely assembled with new valves, valve springs, valve guides, valve seals and studs. 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.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1995 E34 BMW 525i
1997-1998 E39 BMW 528i
1996-1998 E36/7 BMW Z3 2.8
1998-2000 E36/7 BMW M Roadster M Coupe

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Febi Valley Pan Cover With Seal N62 Engine - E53, E60, E63, E64, E65,...

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T#:363970

Part#: 11147507278

In Stock

$ 120.00

This product was last offered at the strikethrough price on
05-13-2026

$ 91.99 USD

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$ 91.99 USD

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Located in between the cylinder heads beneath the intake manifold.

Adjustment Unit - Outlet Cam - 11367536085

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T#:591757

Part#: 11367536085

In Stock

$ 328.99

This product was last offered at the strikethrough price on
04-16-2026

$ 304.99 USD

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$ 304.99 USD

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Upgrade your BMW's timing chain camshaft gear with this thicker gear positioned at the front of the engine, situated off the outlet side. This gear is commonly changed when replacing the timing chain.

Benefits:

Enhanced durability and performance
Ideal for replacing timing chain components
Improved reliability for engine operation

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Crank Pulley With Dampener

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T#:640241

Part#: 11237525135

In Stock

$ 221.99

This product was last offered at the strikethrough price on
03-31-2026

$ 156.99 USD

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$ 156.99 USD

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Febi Camshaft - E30, E34

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T#:19082

Part#: 11311716138

Ships in 2 Business Days

$ 368.34

This product was last offered at the strikethrough price on
05-15-2026

$ 292.43 USD

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$ 292.43 USD

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CAMSHAFT 11311716138 Manufactured by Febi

This item fits the following BMWs:
BMW 3 Series - 325i, 325i Convertible, 325is, 325ix
BMW 5 Series - 525i

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Febi Valley Pan With Gasket - E31, E32, E34, E38, E39, E53

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T#:366991

Part#: 11141742042

In Stock at Vendor

$ 116.99 USD

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$ 116.99 USD

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Experiencing a slow, mysterious, loss of coolant? Smell coolant when accelerating or braking? Time for a valley pan gasket service!

AMC Cylinder Head - Bare - E34, E36, E39, Z3

T#:383388

Part#: 11121703637

Special Order: No Guaranteed ETA

$ 1,631.99 USD

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$ 1,631.99 USD

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Bare head with guides and seats only

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