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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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Glyco - Corporate Logo
T#:375825
Part#: 11241284849
Ships in 2 Business Days
$ 92.02

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

$ 85.59 USD
Free Shipping on orders $49 and up
$ 85.59 USD
Free Shipping on orders $49 and up
Standard bore - 45mm
Glyco - Corporate Logo
T#:375823
Part#: 11211706847
In Stock
$ 136.06

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

$ 126.82 USD
Free Shipping
$ 126.82 USD
Free Shipping
Standard bore
Glyco - Corporate Logo
T#:183
Part#: 11241310515
In Stock
$ 30.59

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

$ 27.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 30.59

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

$ 27.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
E30 M3, E28 M5, E24 M6, E34 M5 Rod Bearing. Sold individually. Standard sizing.

This item fits the following BMWs
1988-1991 BMW E30 M3 - 8 required.
1988 BMW E28 M5 - 12 required.
1989-1993 BMW E34 M5 3.6 liter - 12 required.
1987-1989 BMW E24 M6 - 12 required.
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AMC - Corporate Logo
T#:222771
Part#: 11121707032C
Ships in 6 Business Days
$ 1,322.99 USD
Free Shipping
$ 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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Glyco - Corporate Logo
T#:3166
Part#: 11210666110
Ships in 4 Business Days
$ 99.99 USD
Free Shipping
$ 99.99 USD
Free Shipping
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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AMC - Corporate Logo
T#:19419
Part#: 11121703637
Ships on Nov 10, 2026
$ 2,315.99 USD
Free Shipping
$ 2,315.99 USD
Free Shipping
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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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

$ 234.99 USD
Free Shipping
$ 234.99 USD
Free Shipping
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

$ 120.62 USD
Free Shipping
$ 120.62 USD
Free Shipping
59.75MM(+0.25) bore

Glyco - Corporate Logo
T#:23748157
Part#: 112412848516CYL-
Ships in 2 Business Days
$ 331.13

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

$ 310.08 USD
Free Shipping on orders $49 and up
$ 310.08 USD
Free Shipping on orders $49 and up

Glyco - Corporate Logo
T#:374671
Part#: 11211706848
Ships in 1-2 days
$ 194.32 USD
Free Shipping
$ 194.32 USD
Free Shipping
Standard bore
AMC - Corporate Logo
T#:19277
Part#: 11127514540
Ships on Nov 5, 2026
$ 1,869.02 USD
$ 1,869.02 USD


CYLINDER HEAD WITH BEARING L 11127514540 Manufactured by AMC New

AMC - Corporate Logo
T#:22168
Part#: 11121707032
Ships on Nov 5, 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
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AMC - Corporate Logo
T#:383390
Part#: 11127514540-3
Ships on Nov 5, 2026
$ 1,562.99 USD
$ 1,562.99 USD
Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation
AMC - Corporate Logo
T#:383388
Part#: 11121703637
Special Order: No Guaranteed ETA
$ 1,631.99 USD
Free Shipping
$ 1,631.99 USD
Free Shipping
Bare head with guides and seats only
AMC - Corporate Logo
T#:363902
Part#: 11127514540-2
Special Order: No Guaranteed ETA
$ 1,864.99 USD
$ 1,864.99 USD
Complete cylinder head with guides, seats, valves, & springs

Glyco - Corporate Logo
T#:374292
Part#: 11241278209
Ships in 2 Business Days
$ 6.11 USD
Free Shipping on orders $49 and up
Press fit into small journal of connecting rod

AMC - Corporate Logo
T#:54388484
Part#: 11317587756
Ships on Nov 4, 2026
New Item
$ 216.99 USD
Free Shipping on orders $49 and up
Ready to extract more power and optimize your valve timing? This replacement intake camshaft is engineered for dual-overhead-cam (DOHC) cylinder heads, delivering the precise lift and duration needed to keep your engine breathing efficiently at higher RPMs.
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Glyco - Corporate Logo
T#:187165
Part#: 11240618100
Ships in 2 Business Days
$ 12.99 USD
Free Shipping on orders $49 and up
OEM BMW Connecting Rod Bush

Glyco - Corporate Logo
T#:55857747
Part#: 11211725917
Ships in 2 Business Days
New Item
$ 90.99

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

$ 87.99 USD
Free Shipping on orders $49 and up
$ 87.99 USD
Free Shipping on orders $49 and up

AMC - Corporate Logo
T#:22723740
Part#: 11127577371
Ships on Nov 5, 2026
$ 2,409.99 USD
$ 2,409.99 USD
Whether you're seeking a replacement to regain optimal power or enhance your vehicle's performance, this cylinder head is an excellent choice. Crafted by AMC, a trusted OEM supplier, and proudly made in Spain, it ensures reliability and performance you can count on.
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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
Free Shipping
$ 108.99 USD
Free Shipping
59.75MM(+0.25) bore
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
Free Shipping
$ 172.99 USD
Free Shipping
Standard bore