BMW Internal Engine Parts

Rein S52 Piston Rings - Set - Single Piston - 11251405783 - E36 M3 ...

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T#:591603

Part#: 11251405783

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$ 43.99 USD

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

Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N5...

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T#:580444

Part#: B8800139

In Stock

Sale - Save 3% $ 203.99

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

$ 198.54 USD

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$ 203.99

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

$ 198.54 USD

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Used in removal and installation of the front crankshaft seal on BMW N55 engines, a common job that you can save yourself a ton of money doing at home.

Rein M44 Piston Rings - Set - Single Piston - 11251247917 - E36 ...

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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

Ferrea Performance Intake Valve - Stock Size

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T#:583445

Part#: F1550P

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$ 34.99 USD

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$ 34.99 USD

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Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52...

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T#:580412

Part#: B8800104

In Stock

Sale - Save 3% $ 147.99

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

$ 143.44 USD

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Sale - Save 3%

$ 147.99

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

$ 143.44 USD

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For removal and installation of the rear crankshaft seal on BMW N51, N52 and N54 engines.

Rein M50 M52 Piston Ring Set - Priced Each - 11251437077 - E36, E46, ...

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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 M20 M50 Piston Ring - Priced Per Piston - 11251713192 - E30, E36...

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T#:379806

Part#: 11251713192

Ships in 3 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 M20 Piston Ring Set - Priced Per Piston - 11251713178 - E30 325e...

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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

Bav Auto Crankshaft Pulley Holding Tool

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T#:580404

Part#: B8800094

Ships on Feb 1, 2027

Sale - Save 8% $ 180.99

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

$ 166.49 USD

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

$ 166.49 USD

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Bav Auto's Crankshaft Pulley Holding Tool enables you to remove your crankshaft nut/bolt with ease - we recommend this tool if you intend on replacing timing chains, oil pump chains, leaking crankshaft seals, etc.

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Bavarian Autosport Crankshaft Holding Tool - BMW

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T#:580450

Part#: B8800145

In Stock

Sale - Save 18% $ 77.99

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

$ 63.99 USD

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Sale - Save 18%

$ 77.99

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

$ 63.99 USD

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Makes removal of crankshaft hub nut/bolt much easier. A must-have for replacing timing chains, oil pump chains, leaking crankshaft seals and more.

Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55 ...

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T#:580431

Part#: B8800124

In Stock

Sale - Save 13% $ 178.99

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

$ 155.54 USD

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Sale - Save 13%

$ 178.99

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

$ 155.54 USD

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For installation and removal of pressure springs on intermediate levers of valve train. Ensures quick, easy and safe handling of these high force springs.

Ferrea Performance Exhaust Valve - Stock Size

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T#:583444

Part#: F1552P

Ships on Nov 16, 2026

$ 34.99 USD

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$ 34.99 USD

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Rein M42 Piston Rings - Set - Single Piston - 11251727461 - E30 318i ...

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T#:591604

Part#: 11251727461

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$ 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

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

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T#:379738

Part#: 11341739823

Ships on Nov 16, 2026

$ 20.99 USD

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$ 20.99 USD

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Replacement exhaust valve

E36 325, 328 M3 Ferrea Titanium Retainer Set

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T#:31

Part#: E11025-24

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$ 7,199.76 USD

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$ 7,199.76 USD

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E36 325, 328 M3 Ferrea Titanium Retainer Set - set of 24. Recommended to be used with the Ferrea Competition Plus Big Valves. MUST be used with the Ferrea high-performance valve spring and seat kit. See links below.

The goal at Ferrea is to create the finest valves and bearings money can buy. With a staggering array of applications for virtually every production engine in existence both gas and diesel, Ferrea has the parts you need to finish your next engine project with confidence.

This item fits the following BMWs:
1992-1998 E36 BMW 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i

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E36 325, 328 & M3 Ferrea High Performance Valve Spring Set

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T#:439

Part#: S10049-24

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$ 817.20 USD

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$ 817.20 USD

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Ferrea valve springs are developed from high strength alloys, including premium grade chrome silicone steel These springs are manufactured with state-of-the-art equipment. Ferrea springs are heat-treated and stress-relieved, which dramatically increases the spring's life. Strict quality control procedures and cycle testing ensures consistency from batch to batch. Ferrea valve springs provide the stability needed for high lift, high rpm racing and street car engines. Kit includes a set of 24 springs. MUST be used with the Ferrea Spring Seat and Titanium Retainers. See links below.

https://www.turnermotorsport.com/e/p-163-e36-325-328-m3-ferrea-spring-seat-set/

https://www.turnermotorsport.com/e/p-31-e36-325-328-m3-ferrea-titanium-retainer-set/

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i

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E36 325, 328 M3 Ferrea Spring Seat Set

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T#:163

Part#: SL1021-24

Back Ordered

$ 118.80 USD

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$ 118.80 USD

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E36 325, 328 M3 Ferrea Spring Seat Set includes 24 seats. MUST be uses with the Ferrea valve springs. Recommended to be used with the Ferrea Competition Plus Big Valves and Ferrea Titanium Retainers. See links below.

The goal at Ferrea is to create the finest valves and bearings money can buy. With a staggering array of applications for virtually every production engine in existence both gas and diesel Ferrea has the parts you need to finish your next engine project with confidence.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i

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Rein M20 Exhaust Valve - Sold Each - 11341708896 - E30 325i 325e 325i...

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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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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

Rein M54 S54 O-Ring Seal - 12141748398 - E46, E39, E60, E83, E53 ...

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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.

Rein Aluminum Cylinder Head Bolt Set - 11120392547 - E9x, E8x, E60, E...

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T#:594302

Part#: 11120392547

In Stock

$ 12.99

This product was last offered at the strikethrough price on
08-13-2026

$ 7.89 USD

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$ 7.89 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.

Osvat Intake Valve - E28, E30, E34

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T#:1196099

Part#: 11341706631

Ships in 1 Business Day

$ 13.99 USD

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$ 13.99 USD

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Standard replacement intake valve

Rein Rocker Arm Shaft Plug - Priced Each - 11331264519 - E30, E28 528...

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T#:583592

Part#: 11331264519

In Stock at Vendor

$ 6.11 USD

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$ 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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Rein M62 Alusil Piston Ring Repair Kit - 11259071606 - E39 540i, E38 ...

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T#:591608

Part#: 11259071606

Ships in 3 Business Days

$ 37.99 USD

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$ 37.99 USD

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Set of rings for one piston

Rein M54 Piston Ring - Priced Per Piston - 11257506252 - E46, E39, E8...

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T#:591606

Part#: 11257506252

Back Ordered

$ 53.99

This product was last offered at the strikethrough price on
10-28-2026

$ 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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Intake Valve - Priced Each

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T#:596779

Part#: 11341267721

Ships in 3 Business Days

$ 13.99

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

$ 8.99 USD

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$ 8.99 USD

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Replacement intake valve 40.0/6.97MM

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

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T#:1196100

Part#: 11341708896

Ships in 1 Business Day

$ 35.98 USD

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$ 35.98 USD

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Replace your worn valves

Ferrea High Performance Valve Kit - B58

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T#:29035336

Part#: FER-HPVK-B58-T28

Ships in 3 Business Days

$ 1,059.99 USD

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$ 1,059.99 USD

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The BMW B58 engine can significantly benefit from the high-performance Ferrea valve kit, featuring the renowned Ferrea Competition Plus Valves. Known as the industry’s most dependable extreme-duty valves, these valves are crafted using special aerospace-grade alloys, including the high tensile strength EV8-Z18. To ensure unparalleled quality, an exclusive two-step slow forging process is utilized, promoting optimal grain flow and minimizing material structure damage. Additionally, the valves undergo a rigorous 48-hour heat treatment and stress-relieving process, crucial for maintaining their molecular integrity. The final touch is the application of avionics-quality hard chrome and a specially hardened tip, ensuring exceptional durability and reliability.

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Ferrea High Performance Valve Kit - B58

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T#:29035337

Part#: FER-HPVK-B58-T29

Ships in 3 Business Days

$ 929.00 USD

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$ 929.00 USD

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The BMW B58 engine can significantly benefit from the high-performance Ferrea valve kit, featuring the renowned Ferrea Competition Plus Valves. Known as the industry’s most dependable extreme-duty valves, these valves are crafted using special aerospace-grade alloys, including the high tensile strength EV8-Z18. To ensure unparalleled quality, an exclusive two-step slow forging process is utilized, promoting optimal grain flow and minimizing material structure damage. Additionally, the valves undergo a rigorous 48-hour heat treatment and stress-relieving process, crucial for maintaining their molecular integrity. The final touch is the application of avionics-quality hard chrome and a specially hardened tip, ensuring exceptional durability and reliability.

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Project Cars

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Sub-Categories

Rein S52 Piston Rings - Set - Single Piston - 11251405783 - E36 M3 ...

Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N5...

Rein M44 Piston Rings - Set - Single Piston - 11251247917 - E36 ...

Ferrea Performance Intake Valve - Stock Size

Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52...

Rein M50 M52 Piston Ring Set - Priced Each - 11251437077 - E36, E46, ...

Rein M20 M50 Piston Ring - Priced Per Piston - 11251713192 - E30, E36...

Rein M20 Piston Ring Set - Priced Per Piston - 11251713178 - E30 325e...

Bav Auto Crankshaft Pulley Holding Tool

Bavarian Autosport Crankshaft Holding Tool - BMW

Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55 ...

Ferrea Performance Exhaust Valve - Stock Size

Rein M42 Piston Rings - Set - Single Piston - 11251727461 - E30 318i ...

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

E36 325, 328 M3 Ferrea Titanium Retainer Set

E36 325, 328 & M3 Ferrea High Performance Valve Spring Set

E36 325, 328 M3 Ferrea Spring Seat Set

Rein M20 Exhaust Valve - Sold Each - 11341708896 - E30 325i 325e 325i...

Rein M54 S54 O-Ring Seal - 12141748398 - E46, E39, E60, E83, E53 ...

Rein Aluminum Cylinder Head Bolt Set - 11120392547 - E9x, E8x, E60, E...

Osvat Intake Valve - E28, E30, E34

Rein Rocker Arm Shaft Plug - Priced Each - 11331264519 - E30, E28 528...

Rein M62 Alusil Piston Ring Repair Kit - 11259071606 - E39 540i, E38 ...

Rein M54 Piston Ring - Priced Per Piston - 11257506252 - E46, E39, E8...

Intake Valve - Priced Each

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

Ferrea High Performance Valve Kit - B58

Ferrea High Performance Valve Kit - B58

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