BMW Internal Engine Parts for BMW 3 Series E30 (1984-1991)

Clear BMW chassis

Please ensure your correct model is selected

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.

Sub-Categories

Sort By:
Glyco Connecting Rod Bearing Set
Glyco Connecting Rod Bearing Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:375825
Part#: 11241284849
Ships in 1 Business Day
$ 92.02 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 92.02 USD
Free Shipping on orders $49 and up
Add to Wish List
Standard bore - 45mm
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...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:375823
Part#: 11211706847
In Stock
$ 136.06 USD
Free Shipping
Add to Wish List
$ 136.06 USD
Free Shipping
Add to Wish List
Standard bore
Rod Bearing - E30 M3, E28 M5, E24 M6, E34 M5 (sold individually)
Rod Bearing - E30 M3, E28 M5, E24 M6, E34 M5 (sold individually) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Add to Wish List
$ 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
Add to Wish List
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.
Show More Show Less
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AMC - Corporate Logo
T#:222771
Part#: 11121707032C
Ships in 10 Business Days
$ 1,322.99 USD
Free Shipping
Add to Wish List
$ 1,322.99 USD
Free Shipping
Add to Wish List
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
Show More Show Less
Main Bearing Set - Standard Size - E30 M3 2.3 liter
Main Bearing Set - Standard Size - E30 M3 2.3 liter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:3166
Part#: 11210666110
In Stock
$ 99.99

This product was last offered at the strikethrough price on
05-02-2026

$ 87.99 USD
Limited Qty Sale
Free Shipping
Add to Wish List
$ 99.99

This product was last offered at the strikethrough price on
05-02-2026

$ 87.99 USD
Limited Qty Sale
Free Shipping
Add to Wish List
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
Show More Show Less
Glyco Main Bearing Set (Standard) - E21, E28, E30
Glyco Main Bearing Set (Standard) - E21, E28, E30
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

$ 252.99 USD
Free Shipping
Add to Wish List
$ 252.99 USD
Free Shipping
Add to Wish List
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...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:375824
Part#: 11211706850
In Stock at Vendor
$ 126.61 USD
Free Shipping
Add to Wish List
$ 126.61 USD
Free Shipping
Add to Wish List
59.75MM(+0.25) bore
Rod Bearing Set (+0.25)
Rod Bearing Set (+0.25)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:23748157
Part#: 112412848516CYL-
Ships in 1 Business Day
$ 331.13 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 331.13 USD
Free Shipping on orders $49 and up
Add to Wish List
Cylinder Head - Bare - E30 325i, E34 525i, M20 engine
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 Aug 3, 2026
$ 999.00 USD
Add to Wish List
$ 999.00 USD
Add to Wish List
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
Glyco Connecting Rod Bushing
Glyco Connecting Rod Bushing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:374292
Part#: 11241278209
Ships in 1 Business Day
$ 6.11 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 6.11 USD
Free Shipping on orders $49 and up
Add to Wish List
Press fit into small journal of connecting rod
Glyco Connecting Rod Bushing - E12, E21, E23, E24, E28, E3, E30, E32, E34
Glyco Connecting Rod Bushing - E12, E21, E23, E24, E28, E3, E30, E32,...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:187165
Part#: 11240618100
In Stock at Vendor
$ 12.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 12.99 USD
Free Shipping on orders $49 and up
Add to Wish List
OEM BMW Connecting Rod Bush
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...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Add to Wish List
$ 108.99 USD
Free Shipping
Add to Wish List
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...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Add to Wish List
$ 172.99 USD
Free Shipping
Add to Wish List
Standard bore

Select Vehicle

BMW Mini
Clear Vehicle

Category

Brand

Price

$
$

Shipping