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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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Rein Piston Rings - Set - Single Piston - E36, Z3

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:591603

Part#: 11251405783

Back Ordered

$ 43.99 USD

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$ 43.99 USD

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Replace your worn out piston rings with OE replacements - 86.415mm

Glyco Connecting Rod Bearing Set

T#:375825

Part#: 11241284849

Ships in 1 Business Day

$ 92.02

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

$ 84.36 USD

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$ 84.36 USD

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Standard bore - 45mm

Rod Bearing - E30 M3, E28 M5, E24 M6, E34 M5 (sold individually) ...

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

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$ 30.59

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

$ 27.99 USD

Limited Qty Sale

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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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Rein Piston Rings - Set - Single Piston

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:592808

Part#: 11251247917

Ships in 3 Business Days

$ 36.99 USD

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$ 36.99 USD

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Replace your worn out piston rings with OE replacements - 85.065mm

Glyco "Yellow" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E...

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

Rein Piston Ring - Priced Per Piston - E28, E30, E34, E36

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379806

Part#: 11251713192

Ships in 2 Business Days

$ 30.99 USD

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$ 30.99 USD

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For use on stock pistons, will need 6 sets to replace all piston rings in the engine

Rein Piston Ring Set

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379819

Part#: 11251437077

Ships in 3 Business Days

$ 31.99 USD

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$ 31.99 USD

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Standard bore replacement piston rings

Rein Piston Ring Set - Priced Per Piston

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:592811

Part#: 11251713178

Ships in 3 Business Days

$ 28.99 USD

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$ 28.99 USD

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Replace your worn rings - 84.000mm

Glyco Main Bearing Set (Standard) - E21, E28, E30

Features All Single-Tang Main Bearings for Earlier M20 Engines

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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Main Bearing Set - Standard Size - E30 M3 2.3 liter

T#:3166

Part#: 11210666110

Ships in 3 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 "Yellow" Crankshaft Bearing Shell - Set - E30, E36, E39, E46, E...

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

Rein Piston Rings - Set - Single Piston - E30, E36

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:591604

Part#: 11251727461

Ships in 3 Business Days

$ 31.99 USD

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$ 31.99 USD

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Replace your worn out piston rings with OE replacements - 84.000mm

Rod Bearing Set (+0.25)

T#:23748157

Part#: 112412848516CYL-

Ships in 1 Business Day

$ 331.13

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

$ 305.57 USD

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$ 305.57 USD

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Glyco "Green" Crankshaft Bearing Shell - Set - E39, E46, E53, E83, Z3...

T#:374671

Part#: 11211706848

Ships in 1 day

$ 194.32 USD

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$ 194.32 USD

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Standard bore

Rein Exhaust Valve - E34, E36, E39, E46, Z3

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379738

Part#: 11341739823

Ships on Aug 10, 2026

$ 20.99 USD

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$ 20.99 USD

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Replacement exhaust valve

Aluminum Cylinder Head Bolt Set

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:594302

Part#: 11120392547

Ships in 1 Business Day

$ 12.99 USD

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$ 12.99 USD

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If you remove your cylinder head replacement head bolts are a must. These bolts are designed to be torqued down and not reused.

Rein Exhaust Valve - Sold Each - E28, E30, E34

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:584424

Part#: 11341708896

In Stock

Sale - Save 9% $ 18.35

This product was last offered at the strikethrough price on
05-14-2026

$ 16.65 USD

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Qty

Sale - Save 9%

$ 18.35

This product was last offered at the strikethrough price on
05-14-2026

$ 16.65 USD

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Replace your worn valves

OEM Rein Camshaft / Crankshaft Sensor O-Ring - Multiple BMWs ...

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:12463

Part#: 12141748398

In Stock

$ 4.99

This product was last offered at the strikethrough price on
06-29-2026

$ 2.75 USD

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$ 2.75 USD

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This is the o-ring used for most BMW camshaft sensors and crankshaft sensors. Although most sensors that we sell come with this o-ring at no charge, they may be the source of oil or fluid leaks.

Rod Bearing Set - Standard (48.00 Mm)

T#:55821723

Part#: 11241715701

In Stock at Vendor

$ 149.99

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

$ 137.99 USD

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Qty

$ 137.99 USD

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Glyco Connecting Rod Bushing

T#:374292

Part#: 11241278209

Ships in 1 Business Day

$ 6.11 USD

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Qty

$ 6.11 USD

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Press fit into small journal of connecting rod

Piston Ring - Priced Per Piston | BMW M54 3.0L Engine

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:591606

Part#: 11257506252

Ships in 3 Business Days

$ 48.99 USD

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$ 48.99 USD

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Piston Ring - Priced Per Piston | BMW M54 3.0L Engine is a vital component in maintaining proper compression and oil control in BMW M54 3.0L engines. Over time, piston rings experience wear from continuous movement within the cylinder bore, leading to decreased engine efficiency. Worn or damaged rings can result in excessive oil consumption, reduced performance, and visible black or blue smoke from the exhaust. Ideal for engine rebuilds, this high-quality replacement ensures optimal sealing and longevity.

Restores proper compression and oil control for improved engine performance
Reduces oil consumption and minimizes exhaust smoke
Direct-fit replacement for BMW M54 3.0L engine pistons
Manufactured from high-strength materials for durability and longevity
Essential for engine rebuilds and maintaining peak efficiency
Designed to withstand high temperatures and pressures for reliable operation

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Rein Alusil Piston Ring Repair Kit - E38, E39, E53

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:591608

Part#: 11259071606

Ships in 3 Business Days

$ 37.99 USD

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Qty

$ 37.99 USD

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Set of rings for one piston

Glyco Connecting Rod Bushing - E12, E21, E23, E24, E28, E3, E30, E32,...

T#:187165

Part#: 11240618100

In Stock at Vendor

$ 12.99 USD

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Qty

$ 12.99 USD

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OEM BMW Connecting Rod Bush

OEM Rein Rocker Arm Shaft Plug - E28 E30 E34

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:583592

Part#: 11331264519

In Stock at Vendor

$ 6.11 USD

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Qty

$ 6.11 USD

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This is an OEM Rein replacement rocker arm shaft plug, also referred to by BMW as a Blind Plug. This plug connects to the end of the rocker arm shafts. 4 required per vehicle. Replace your old plugs to keep everything properly sealed.

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Main Bearing Set (Standard)

T#:55857747

Part#: 11211725917

In Stock at Vendor

$ 90.99

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

$ 85.99 USD

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Qty

$ 85.99 USD

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Glyco "White" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E3...

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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Qty

$ 172.99 USD

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Standard bore

Glyco "White" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E3...

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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Qty

$ 108.99 USD

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59.75MM(+0.25) bore

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