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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 1 Business Day
$ 92.02

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

$ 84.66 USD
Free Shipping on orders $49 and up
$ 84.66 USD
Free Shipping on orders $49 and up
Standard bore - 45mm
Glyco - Corporate Logo
T#:183
Part#: 11241310515
In Stock
$ 27.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 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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Cylinder Head Oil Check Valve
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:35863150
Part#: 11367541692
In Stock
$ 39.08 USD
Free Shipping on orders $49 and up


Genuine BMW Non-Return Valve
This item fits the following BMW Chassis:
E82 1M Coupe,E70 X5 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F10,F25 X3

Fits BMW Engines including:
N51,N52,N52N,N54,N54T

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Sneed4Speed - Corporate Logo
T#:7260314
Part#: 182834450
Ships in 1 Business Day
$ 425.00 USD
Free Shipping on orders $49 and up
"0.50" will be printed on the pistons. Please inspect before install.

MINI R56 N18 Street Series Piston Set Of 4 - Plus Size 77.50mm (+0.50) is a high-performance upgrade designed to enhance engine performance and reliability. This set includes four pistons with a complete ring set pre-installed.

  • Enhanced Performance: Designed to increase engine displacement with a plus size of 77.50mm (+0.50), improving overall power and efficiency.
  • Complete Ring Set: Each piston comes with three rings: a top compression ring, a second compression ring, and an oil control ring. The oil control ring is made up of three individual rings (two thin rings and one wavy metal ring) all installed in a single groove.
  • Pre-installed Rings: Pistons come with the rings already installed, reducing installation time and complexity.
  • Durable Construction: Crafted as cast pistons for reliable performance under street conditions.
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Sneed4Speed - Corporate Logo
T#:26238455
Part#: R53S4SROD
Ships in 3 Business Days
$ 449.99 USD
Free Shipping on orders $49 and up

Upgrade your Mini's engine with Sneed4Speed Forged H Beam Connecting Rods, designed for the R53 and R52 Supercharged engines, also compatible with the R50/R52 Base Engines. Crafted from 4340 forged steel, these rods are rated to handle up to 700 horsepower, making them ideal for high-power builds. Perfect for budget-conscious builders seeking reliable performance, these rods offer a direct fit and replacement solution. Backed by a 100-year warranty, they provide peace of mind and long-lasting durability. Each rod includes 180,000 psi rated chrome moly rod bolts, capable of supporting up to 1000 HP.

  • Designed for R53 and R52 Supercharged engines, compatible with R50/R52 Base Engines
  • Constructed from 4340 forged steel for strength and durability
  • Rated to handle up to 700 horsepower for high-power builds
  • Ideal for budget-conscious builders seeking reliable performance
  • Direct fit and replacement for easy installation
  • Backed by a 100-year warranty for long-lasting peace of mind
  • Includes 180,000 psi rated chrome moly rod bolts for added strength and support
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Sneed4Speed - Corporate Logo
T#:18965470
Part#: NSHBS
Ships in 2 Business Days
$ 74.99 USD
Free Shipping on orders $49 and up

MINI R55+ Sneed4Speed N Series Engine Cylinder Head Bolts Kit

Upgrade your MINI's engine with the MINI R55+ Sneed4Speed N Series Engine Cylinder Head Bolts Kit. Engineered for performance and durability, this kit includes high-quality cylinder head bolts designed specifically for N series engines. Ensure a secure and reliable seal for your cylinder head with this premium bolt kit from Sneed4Speed.

  • Specifically designed for MINI R55+ models
  • High-quality bolts ensure secure cylinder head seal
  • Engineered for performance and durability
  • Provides peace of mind for engine reliability
  • Easy installation for hassle-free upgrade
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Sneed4Speed - Corporate Logo
T#:7260311
Part#: 1828344
Ships in 1 Business Day
$ 425.00 USD
Free Shipping on orders $49 and up
Sneed4Speed Street Series Cast Piston Set – N18 "STD" will be printed on the pistons. Please inspect before install. Built for MINI Cooper S (2011–2016) and JCW (2013–2016), this complete piston set is a direct-fit upgrade for your turbocharged N18 engine. Each kit includes pistons, wrist pins, and a full ring set pre-installed for easy assembly. Every piston comes with a 3-ring configuration: a top and second compression ring plus a multi-piece oil control ring (two thin rails with a wavy expander in between). The rings arrive already installed on the pistons, saving you setup time and ensuring proper fitment. Engineered from high-quality cast aluminum, these pistons are designed to safely handle 18–20 PSI of boost on a tuned setup—perfect for street-driven builds looking for reliable performance without stepping up to forged internals.
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Sneed4Speed - Corporate Logo
T#:7260305
Part#: 182834325
Ships in 1 Business Day
$ 425.00 USD
Free Shipping on orders $49 and up
"0.25" will be printed on the pistons. Please inspect before install.
Sneed4Speed - Corporate Logo
T#:7260306
Part#: 182834350
Ships on Nov 18, 2026
$ 425.00 USD
Free Shipping on orders $49 and up
"0.50" will be printed on the pistons. Please inspect before install.
Sneed4Speed - Corporate Logo
T#:30397432
Part#: R56MSK
Ships in 2 Business Days
$ 159.99 USD
Free Shipping on orders $49 and up


URO Cold Start Valve - BMW M30 Engines - 13641358917
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:37925949
Part#: 13641358917
Ships in 1 Business Day
$ 322.99 USD
Free Shipping on orders $49 and up

URO Cold Start Valve - BMW M30 Engines - 13641358917

URO Cold Start Valve - BMW M30 Engines - 13641358917 is designed to restore proper cold start functionality in BMW vehicles equipped with the M30 engine. This high-quality replacement valve ensures smoother engine starts, especially in cold weather, by controlling the flow of fuel during startup. Manufactured to OE specifications, it offers reliable performance and long-lasting durability. The URO Cold Start Valve is an essential component to maintain optimal engine operation and avoid potential cold-start issues.

Key Benefits:

  • Optimized Engine Start: Ensures smooth engine starts, especially in cold weather conditions.
  • OE Replacement: Manufactured to original equipment specifications for a perfect fit and reliable performance.
  • Improved Fuel Flow Control: Regulates fuel flow during startup to prevent hesitation and rough idling.
  • Durable Construction: Made with high-quality materials to withstand engine heat and harsh operating conditions.
  • Long-Term Reliability: Designed for durability, ensuring long-lasting function and protection against common cold-start issues.
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Sneed4Speed - Corporate Logo
T#:26238483
Part#: N12PS.5
Ships in 9 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
"0.50" will be printed on the pistons. Please inspect before install.

Enhance your Mini's engine performance with the R56 N12 Sneed4Speed Street Series Piston (+0.50). This piston set includes a complete ring set, providing everything needed for installation. Each piston features three rings: a top compression ring, a second compression ring, and an oil control ring. The oil control ring is composed of three individual rings, including two thin rings and one wavy metal ring, all installed into a single ring groove on the piston. The pistons come pre-installed with the rings, ensuring a hassle-free installation process.

  • Street Series Piston designed for R56 N12 engines
  • Includes a complete ring set for convenience
  • Three rings per piston: top compression ring, second compression ring, and oil control ring
  • Oil control ring consists of two thin rings and one wavy metal ring
  • Pistons come pre-installed with rings for easy installation
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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

$ 306.67 USD
Free Shipping on orders $49 and up
$ 306.67 USD
Free Shipping on orders $49 and up


URO - Corporate Logo
T#:43750198
Part#: 11367583818
Ships in 1 Business Day
$ 187.99 USD
Free Shipping on orders $49 and up
This sprocket is the replacement cam gear for the inlet camshaft. Replace this so your timing chain meshes perfectly with the gear teeth for optimal performance.
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

Sneed4Speed - Corporate Logo
T#:7260304
Part#: 1828343
Ships in 6 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
"STD" will be printed on the pistons. Please inspect before install.

Sneed4Speed - Corporate Logo
T#:7260310
Part#: 182834425
Ships in 3 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
"0.25" will be printed on the pistons. Please inspect before install.

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
Sneed4Speed - Corporate Logo
T#:23449741
Part#: NSMBS
In Stock
$ 129.99 USD
Free Shipping on orders $49 and up

MINI R56 owners can enhance their engine performance with the Sneed4Speed Engine Main Bearing Set. This high-quality set is meticulously crafted to improve durability and reliability, offering superior support to the engine's rotating assembly. Designed for precise fitment and long-lasting performance, these main bearings ensure consistent lubrication and reduce friction within the engine. Perfectly engineered to meet high-performance demands, this bearing set is a crucial upgrade for keeping the MINI R56 engine running smoothly and efficiently.

  • Enhances Engine Durability and Reliability: Improves the overall strength and dependability of the engine.
  • Optimal Support to the Rotating Assembly: Provides necessary support to maintain engine balance and performance.
  • Precise Fitment and Longevity: Ensures a perfect fit and long-lasting use.
  • Minimizes Friction and Enables Consistent Lubrication: Reduces wear and tear by ensuring smooth lubrication.
  • Engineered for High-Performance Demands: Designed to handle the stress of high-performance driving.
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Glyco - Corporate Logo
T#:55821723
Part#: 11241715701
Ships in 1 Business Day
New Item
$ 164.99

This product was last offered at the strikethrough price on
11-02-2026

$ 162.99 USD
Free Shipping on orders $49 and up
$ 162.99 USD
Free Shipping on orders $49 and up


Sneed4Speed - Corporate Logo
T#:42099869
Part#: 56HSK
Ships in 3 Business Days
$ 199.99 USD
Free Shipping on orders $49 and up
Variable Valve Timing Sprocket
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:55749603
Part#: 11367598002
Ships in 1 Business Day
New Item
$ 227.99 USD
Free Shipping on orders $49 and up
The URO Exhaust VVT Sprocket is designed to drop right into your cylinder head and restore crisp, reliable valve timing under all driving conditions.
URO Cam Gear - Exhaust - E60 E9X Z4 N54 3.0L
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:53079364
Part#: 11367540348
Ships in 1 Business Day
New Item
$ 177.99 USD
Free Shipping on orders $49 and up
A common source of exhaust-related codes, VANOS, and boost-related issues can often be traced back to this cam gear. If yours is worn and failed, replace it with this quality replacement part from URO.
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URO Exhaust Variable Valve Timing Sprocket - N20
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:55749602
Part#: 11367583819
Ships in 1 Business Day
New Item
$ 194.99 USD
Free Shipping on orders $49 and up
The variable valve timing system on modern BMW engines is critical for both daily street driveability and wide-open throttle performance. When the factory exhaust gear wears down, it compromises the responsiveness of your BMW powerplant.
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Sneed4Speed - Corporate Logo
T#:26238482
Part#: 182834324
Ships in 1 Business Day
$ 425.00 USD
Free Shipping on orders $49 and up
"0.25" will be printed on the pistons. Please inspect before install.

Upgrade your non-turbo MINI engine with the Sneed4Speed street series N12 cast piston set. This set includes pistons, rings, and wrist pins for comprehensive engine enhancement. Ensure proper fitment by checking engine models and compatibility before purchase. Each piston in the set features three rings: a top compression ring, a second compression ring, and an oil control ring, providing efficient performance and control. The oil control ring consists of two thin rings and a wavy metal ring, all pre-installed on the piston for convenience.

  • Complete piston set with rings and wrist pins included
  • Rings pre-installed on each piston for easy assembly
  • Designed for non-turbo MINI engines
  • Enhances engine performance and durability
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Sneed4Speed - Corporate Logo
T#:26538326
Part#: BSMBS
Ships in 1 Business Day
$ 94.99 USD
Free Shipping on orders $49 and up

Mechanical Water Pump - B58
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:50031906
Part#: 11518482251
In Stock
$ 109.99 USD
Free Shipping on orders $49 and up
Experiencing weak cabin heat at idle, overheating warnings, or unusual noises from beneath the dash? These are common signs that your water pump may need replacement. This cooling system water pump comes complete with a new water pump gasket for a proper seal. Note: One mounting thread includes a self-tapping screw.
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Sneed4Speed - Corporate Logo
T#:23383346
Part#: N12PSSTD
In Stock
$ 425.00

This product was last offered at the strikethrough price on
10-04-2026

$ 386.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 425.00

This product was last offered at the strikethrough price on
10-04-2026

$ 386.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
"STD" will be printed on the pistons. Please inspect before install.

Enhance your MINI's performance with these pistons equipped with a complete ring set, comprising top compression, second compression, and oil control rings. The unique oil control ring consists of three individual rings configured into a single ring groove on the piston. This setup includes two thin rings and a wavy metal ring nestled between them. The pistons come ready with the rings pre-installed, ensuring convenience in installation.

Benefits:

  • Complete Ring Set: Includes top compression, second compression, and oil control rings
  • Pre-Installed Rings: Rings are already assembled on the pistons for ease of use
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URO - Corporate Logo
T#:50066846
Part#: 17127519248
Ships in 1 Business Day
$ 69.99 USD
Free Shipping on orders $49 and up
$ 69.99 USD
Free Shipping on orders $49 and up
Replaces damaged or missing radiator supply hose.
Sneed4Speed - Corporate Logo
T#:26538327
Part#: BSRBS
Ships in 2 Business Days
$ 39.99 USD
Free Shipping on orders $49 and up


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

$ 86.99 USD
Free Shipping on orders $49 and up
$ 86.99 USD
Free Shipping on orders $49 and up
Sneed4Speed - Corporate Logo
T#:19230372
Part#: R53FPS-.5
Ships in 1 Business Day
$ 699.00 USD
Free Shipping on orders $49 and up
"0.50" will be printed on the pistons. Please inspect before install.

MINI R53 R52 W11 Sneed4Speed Forged Street Series Piston Set

A high-performance piston upgrade designed to optimize the engine performance of your Mini R53 or R52 with the W11 engine. Engineered by Sneed4Speed, these forged pistons offer superior strength and durability compared to stock pistons, allowing for higher compression ratios and increased power output. With precision machining and tight tolerances, these pistons ensure optimal fitment and reliable performance under high-stress conditions. Upgrade your Mini's engine with the MINI R53 R52 W11 Sneed4Speed Forged Street Series Piston Set for improved performance and reliability.

  • High-performance upgrade for Mini R53 or R52 with W11 engine
  • Forged construction for superior strength and durability
  • Allows for higher compression ratios and increased power output
  • Precision machining for optimal fitment
  • Reliable performance under high-stress conditions
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Adjustment Unit - Outlet Cam
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:59294354
Part#: 11367536085
Back Ordered
New Item
$ 167.99 USD
Free Shipping on orders $49 and up