Find Parts That Fit Your Vehicle

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.

Sub-Categories

Sort By:

Piston Ring Set - Priced Each - M50 M52 Engines
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Mahle - Corporate Logo
T#:598529
Part#: 11251437077
In Stock
$ 38.99

This product was last offered at the strikethrough price on
10-27-2026

$ 34.99 USD
Free Shipping on orders $49 and up
$ 34.99 USD
Free Shipping on orders $49 and up

Ensure optimal engine performance in your BMW M50 M52 Engines with Turner Motorsport's Mahle Piston Ring Set. Over time, worn piston rings can lead to power loss, increased oil consumption, and white smoke from the tailpipe. When rebuilding your BMW's engine, replacing the piston rings is essential for restoring power and efficiency. Each set is priced individually, with six sets required for complete engine overhaul.

Key Benefits:

  • Restores engine power and efficiency
  • Reduces oil consumption
  • Prevents white smoke from the tailpipe
  • Compatible with M50 M52 Engines
Show More Show Less
Glyco Connecting Rod Bearing Set
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Glyco - Corporate Logo
T#:375825
Part#: 11241284849
Ships in 1 Business Day
$ 92.02

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

$ 85.62 USD
Free Shipping on orders $49 and up
$ 85.62 USD
Free Shipping on orders $49 and up
Standard bore - 45mm
Rod Bearing - E30 M3, E28 M5, E24 M6, E34 M5 (sold individually) ...
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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.
Show More Show Less

Ferrea Performance Intake Valve - Stock Size
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Ferrea - Corporate Logo
T#:583445
Part#: F1550P
Back Ordered
$ 34.99 USD
Free Shipping on orders $49 and up

Piston Ring Repair Kit - ( 0 Size )
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Mahle - Corporate Logo
T#:589332
Part#: 11257566479
Ships in 10 Business Days
$ 28.99 USD
Free Shipping on orders $49 and up

Stock-Size Piston Ring Set for Engine Head Repair

When it comes to engine head repair or rebuilding, this piston ring set is the perfect choice. Designed to be of stock size, it ensures a precise fit and reliable performance.

Key Details:

  • One set of piston rings is needed for each piston.
  • If your engine head contains four pistons, you'll require four sets to complete the repair.
Show More Show Less
MINI N18 1.6L Piston - ( 0 Size ) Priced Each 081 PI 00110 000 ...
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Mahle - Corporate Logo
T#:13760053
Part#: 081PI00110000
Ships on Nov 12, 2026
$ 187.99 USD
Free Shipping on orders $49 and up

MINI N18 1.6L Piston - (0 Size) Priced Each 081 PI 00110 000

A crucial component for Mini vehicles, ensuring optimal engine performance and reliability. Engineered with precision and durability, this piston is designed to withstand the demands of the N18 1.6L engine.

  • Genuine Mini quality guarantees reliability and longevity
  • Precision engineering ensures perfect fit and compatibility
  • Enhances engine performance for a smooth and efficient operation
  • Priced affordably for cost-effective maintenance
Show More Show Less

Crankshaft Position Sensor
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Hella - Corporate Logo
T#:13793006
Part#: 13627809334
Ships in 3 Business Days
$ 81.99

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

$ 79.99 USD
Free Shipping on orders $49 and up
$ 79.99 USD
Free Shipping on orders $49 and up
Ferrea Performance Exhaust Valve - Stock Size
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Ferrea - Corporate Logo
T#:583444
Part#: F1552P
Ships on Nov 12, 2026
$ 34.99 USD
Free Shipping on orders $49 and up

Rod Bearing Set (+0.25)
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Glyco - Corporate Logo
T#:23748157
Part#: 112412848516CYL-
Ships in 1 Business Day
$ 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

Upgraded Low Wear Steel Valve Stem Guides - Priced Each
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
JM Turbo Coopers - Corporate Logo
T#:31522922
Part#: JM-SVG
In Stock
$ 6.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 6.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Osvat Intake Valve - E28, E30, E34
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Osvat - Corporate Logo
T#:1196099
Part#: 11341706631
Ships in 1 Business Day
$ 13.99 USD
Free Shipping on orders $49 and up
Standard replacement intake valve
Glyco Connecting Rod Bushing - E12, E21, E23, E24, E28, E3, E30, E32,...
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Glyco - Corporate Logo
T#:187165
Part#: 11240618100
Ships in 1 Business Day
$ 12.99 USD
Free Shipping on orders $49 and up
OEM BMW Connecting Rod Bush


Upgraded Exhaust Valve Black Nitride Valves +.5mm SST Super Alloy Tri...
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
JM Turbo Coopers - Corporate Logo
T#:28869543
Part#: JMEX-N14-18
Ships in 2 Business Days
$ 27.99 USD
Free Shipping on orders $49 and up
Osvat Exhaust Valve - Sold Each - E28, E30, E34
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Osvat - Corporate Logo
T#:1196100
Part#: 11341708896
Ships in 1 Business Day
$ 35.98 USD
Free Shipping on orders $49 and up
Replace your worn valves
Rod Bearing Set - Standard (48.00 Mm)
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Glyco - Corporate Logo
T#:55821723
Part#: 11241715701
Ships in 1 Business Day
New Item
$ 164.99 USD
Free Shipping on orders $49 and up

Glyco Connecting Rod Bushing
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Glyco - Corporate Logo
T#:374292
Part#: 11241278209
Ships in 1 Business Day
$ 6.11 USD
Free Shipping on orders $49 and up
Press fit into small journal of connecting rod

Intake Valve - Priced Each
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Osvat - Corporate Logo
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
Free Shipping on orders $49 and up
$ 8.99 USD
Free Shipping on orders $49 and up
Replacement intake valve 40.0/6.97MM
Main Bearing Set (Standard)
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Glyco - Corporate Logo
T#:55857747
Part#: 11211725917
Ships in 1 Business Day
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

Ferrea High Performance Valve Kit - B58
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Ferrea - Corporate Logo
T#:29035337
Part#: FER-HPVK-B58-T29
Ships in 3 Business Days
$ 929.00 USD
Free Shipping on orders $49 and up
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.
Show More Show Less
Ferrea High Performance Valve Kit - B58
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Ferrea - Corporate Logo
T#:29035336
Part#: FER-HPVK-B58-T28
Ships in 3 Business Days
$ 1,059.99 USD
Free Shipping on orders $49 and up
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.
Show More Show Less

MINI N12 N16 1.6L Piston W/ Rings - ( +0.50 Size ) Priced Each 081 PI...
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Mahle - Corporate Logo
T#:13760051
Part#: 081PI00104002
Ships on Nov 12, 2026
$ 203.99 USD
Free Shipping on orders $49 and up

MINI N12 N16 1.6L Piston W/ Rings - ( +0.50 Size ) Priced Each 081 PI 00104 002 offers a premium replacement option for Mini enthusiasts seeking reliable engine performance. Crafted with precision and designed to OEM specifications, these pistons with rings ensure optimal combustion and engine efficiency. Upgrade your MINI N12 or N16 1.6L engine with these pistons for enhanced reliability and performance.

  • Premium replacement option for MINI engines
  • Precision-crafted with OEM specifications
  • Ensures optimal combustion and engine efficiency
  • Compatible with MINI N12 and N16 1.6L engines
  • Enhances reliability and performance
Show More Show Less

MINI N12 N16 1.6L Piston W/ Rings - ( +0.25 Size ) Priced Each 081 PI...
Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Mahle - Corporate Logo
T#:13760050
Part#: 081PI00104001
Ships on Nov 12, 2026
$ 187.99 USD
Free Shipping on orders $49 and up

MINI N12 N16 1.6L Piston W/ Rings - ( +0.25 Size )

A high-quality piston replacement kit designed for MINI vehicles equipped with the N12 or N16 1.6L engine. Engineered to precise specifications, this piston kit includes rings and is oversized by 0.25 to accommodate engine wear. Its durable construction ensures reliable performance and longevity, while the included rings provide proper sealing for optimal engine compression. Trust this piston kit to restore engine performance and reliability in your MINI vehicle.

  • High-quality piston replacement kit for MINI vehicles
  • Designed for N12 or N16 1.6L engine
  • Oversized by 0.25 to accommodate engine wear
  • Durable construction for reliable performance
  • Included rings provide proper sealing for optimal engine compression
Show More Show Less