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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
Cylinder Head - Complete - E30 325i, E34 525i, M20 engine
AMC - Corporate Logo
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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Glyco "Yellow" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E39, E46, E53, E60, E83, Z3, Z4
Glyco "Yellow" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E...
Glyco - Corporate Logo
T#:375823
Part#: 11211706847
In Stock
$ 136.06

This product was last offered at the strikethrough price on
07-15-2026

$ 125.04 USD
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$ 125.04 USD
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Standard bore
Cylinder Head - Complete - M52, S50, S52
Cylinder Head - Complete - M52, S50, S52
AMC - Corporate Logo
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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Main Bearing Set - Standard Size - E30 M3 2.3 liter
Main Bearing Set - Standard Size - E30 M3 2.3 liter
Glyco - Corporate Logo
T#:3166
Part#: 11210666110
Ships in 4 Business Days
$ 99.99 USD
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$ 99.99 USD
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This E30 M3 Main bearing set is in standard size for the 2.3 liter S14 engine. This main bearing kit includes the thrust bearings.

This item fits the following BMWs:
1988-1991 E30 BMW M3
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Glyco Main Bearing Set (Standard) - E21, E28, E30
Glyco Main Bearing Set (Standard) - E21, E28, E30
Features All Single-Tang Main Bearings for Earlier M20 Engines
Glyco - Corporate Logo
T#:1196183
Part#: 11211722342
In Stock
$ 259.99

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

$ 231.99 USD
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$ 231.99 USD
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Glyco "Yellow" Crankshaft Bearing Shell - Set - E30, E36, E39, E46, E53, E60, E83, Z3, Z4 - 1st Overside (+0.25)
Glyco "Yellow" Crankshaft Bearing Shell - Set - E30, E36, E39, E46, E...
Glyco - Corporate Logo
T#:375824
Part#: 11211706850
In Stock at Vendor
$ 126.61

This product was last offered at the strikethrough price on
07-15-2026

$ 118.92 USD
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$ 118.92 USD
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59.75MM(+0.25) bore
Glyco "Green" Crankshaft Bearing Shell - Set - E39, E46, E53, E83, Z3, Z4
Glyco "Green" Crankshaft Bearing Shell - Set - E39, E46, E53, E83, Z3...
Glyco - Corporate Logo
T#:374671
Part#: 11211706848
Ships in 1-2 days
$ 194.32 USD
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$ 194.32 USD
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Standard bore
AMC Cylinder Head - Bare - E34, E36, E39, Z3
AMC Cylinder Head - Bare - E34, E36, E39, Z3
AMC - Corporate Logo
T#:383388
Part#: 11121703637
Ships on Sep 9, 2026
$ 1,631.99 USD
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$ 1,631.99 USD
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Bare head with guides and seats only
Glyco "White" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E39, E46, E53, E60, E83, Z3, Z4
Glyco "White" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E3...
Glyco - Corporate Logo
T#:374672
Part#: 11211706852
Back Ordered
$ 111.99

This product was last offered at the strikethrough price on
05-07-2026

$ 108.99 USD
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$ 108.99 USD
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59.75MM(+0.25) bore
Glyco "White" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E39, E46, E53, E60, E83, Z3, Z4
Glyco "White" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E3...
Glyco - Corporate Logo
T#:374670
Part#: 11211706849
Back Ordered
$ 177.99

This product was last offered at the strikethrough price on
05-07-2026

$ 172.99 USD
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$ 172.99 USD
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Standard bore

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