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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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Schwaben VANOS Solenoid Socket - M52 M54 M62
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T#:363378
Part#: 009333SCH01A
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05-02-2026

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When servicing your vehicle's VANOS system, get the job done easier with this socket specifically designed for the removal of the VANOS solenoid.

Features:

  • 85mm from end to end
  • 1/2" drive 
  • 32mm with a depth of 70mm.
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Rocker Arm - E30 325e 325i 325is - E34 525i (M20)
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Febi - Corporate Logo
T#:3387
Part#: 11331271429
In Stock
$ 33.99

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05-07-2026

$ 26.99 USD
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If there is one weak point to the internals of the M20 engine, it's the camshaft rocker arms. They're actually designed to be the weak link to prevent more extensive damage elsewhere in the valvetrain. The rocker arm actuates the valves as the cam lobe makes contact. But sustained running at high RPM will cause the valves to 'float' or stay open which can lead to contact between the piston and the valves. If this happens too often, it will fatigue and snap the rocker arm. Therefore, any track driven E30 should have the rockers inspected or replaced often, along with a correct valve adjustment. And any high mileage M20 engine is running the risk of failure because of fatigue and weak valve springs. It's also a good idea to use new rocker arms any time a new cam is installed as the cam and the rocker wear together.

Replacement of the rocker arms can be done with the cylinder head in the car but more often, the head is removed. This makes removing the rocker shafts easier. Either way, a new cylinder head gasket set is recommended as it includes all of the gaskets and plugs that you would need. If the head stays on the car, the radiator may need to be removed to allow more access for the shafts to come out. Replacing the engine timing belt is not done at the same time and should be treated as a separate job.

These Febi M20 rocker arms are sold per rocker (order 12 for a complete set). You may also want to replace the eccentric adjusters as it's easy to do and worn eccentrics may prevent you from properly adjusting the valves afterward.

This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1989-1990 E34 BMW 525i
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Crankshaft Socket - S54 / B46 / B48 / B58
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Schwaben - Corporate Logo
T#:2181320
Part#: LCB226SCH
In Stock
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Enhance BMW engine maintenance with the Crankshaft Socket - B46 / B48 / B58, an essential tool for effortless engine rotation during timing jobs or valve timing adjustments.

  • Specifically designed for BMW B46, B48, and B58 engines
  • Facilitates easy and precise engine rotation
  • Ideal for timing jobs and valve timing adjustments
  • Ensures proper alignment and maintenance accuracy

Upgrade your BMW maintenance toolkit with the Crankshaft Socket, providing the necessary precision for timing tasks and valve adjustments on B46, B48, and B58 engines.

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Timing Chain Tensioner - E31 E39 E38 E53 E34 E32 Z8
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T#:5403287
Part#: 11317531813
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Located in the timing cover and is removable without dis-assembly. This item fits the following BMWs: 1993-1995 E34 BMW 530i 540i 1997-2003 E39 BMW 540i 1988-1994 E32 BMW 740i 740il 1995-2001 E38 BMW 740i 740il 1990-1999 E31 BMW 840i 840ci 2000-2003 E53 BMW X5 4.4i X5 4.6is 2000-2003 E52 BMW Z8 Alpina Roadster
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Rocker Arm - M10 4 cylinder, M30 6 cylinder engine
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Febi - Corporate Logo
T#:6780
Part#: 11331271833
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Replace your worn rocker arm with this unit. The rocker arms make contact with the camshaft and control the movement of the valves. Any time a camshaft is replace it is always a good idea to replace the rocker arms with new units. It is also a good idea to replace the rocker shafts that the arms mount on.
Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.

This item fits the following BMWs:
1970-1976 2002 BMW 1600 2002 2002tii
1984-1985 E30 BMW 318i
1976-1981 E12 BMW 528i 530i
1982-1988 E28 BMW 533i 535i 535is
1989-1993 E34 BMW 535i
1982-1989 E24 BMW 633csi 635csi
1981-1987 E23 BMW 733i 735i
1988-1992 E32 BMW 735i 735il
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Rein S52 Piston Rings - Set - Single Piston - 11251405783 - E36 M3 ...
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T#:591603
Part#: 11251405783
Back Ordered
$ 43.99 USD
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Replace your worn out piston rings with OE replacements - 86.415mm

Check Valve - 11367541692
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Bremmen Parts - Corporate Logo
T#:37655979
Part#: 11367541692
In Stock
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A damaged, leaking, or missing vacuum check valve can lead to engine performance problems, trigger the check engine light, and potentially cause your vehicle to fail an emissions test.
Rein M44 Piston Rings - Set - Single Piston - 11251247917 - E36 ...
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Rein - Corporate Logo
T#:592808
Part#: 11251247917
Ships in 3 Business Days
$ 36.99 USD
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Replace your worn out piston rings with OE replacements - 85.065mm

VANOS Solenoid Socket - B38, B48, & B58
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Schwaben - Corporate Logo
T#:2453616
Part#: LCB225SCH
In Stock
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$ 22.49 USD
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VANOS central valve removal cannot be completed properly without this tool.

Timing Chain Tensioner Rail - Right - M62
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T#:5470982
Part#: 11311741236
In Stock
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Timing chain guide rails wear down over time. It is imperative that you replace the chain and rails every 100,000 miles to prevent failure and possible engine damage. Fits the following BMW engines: M62
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Crankcase Ventilation Hose
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T#:35357255
Part#: 11157848341
In Stock
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$ 56.09 USD
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Rein M20 M50 Piston Ring - Priced Per Piston - 11251713192 - E30, E36...
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T#:379806
Part#: 11251713192
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For use on stock pistons, will need 6 sets to replace all piston rings in the engine


Rein M50 M52 Piston Ring Set - Priced Each - 11251437077 - E36, E46, ...
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Rein - Corporate Logo
T#:379819
Part#: 11251437077
Ships in 3 Business Days
$ 31.99 USD
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Standard bore replacement piston rings
Rein M20 Piston Ring Set - Priced Per Piston - 11251713178 - E30 325e...
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Rein - Corporate Logo
T#:592811
Part#: 11251713178
Ships in 3 Business Days
$ 28.99 USD
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Replace your worn rings - 84.000mm
N52 Valvetronic Camshaft Adjusting Unit - 11377548388
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Bremmen Parts - Corporate Logo
T#:36066208
Part#: 11377548388
In Stock
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This Valvetronic variable valve timing actuator is designed to optimize engine performance by adjusting the eccentric shaft, effectively increasing or decreasing valve lift and duration as needed. By dynamically controlling valve timing, it enhances power delivery, fuel efficiency, and overall driving performance.

A failing actuator can lead to noticeable power loss, reduced performance, and an illuminated check engine light. Restore your BMW's performance with this premium replacement from Bremmen Parts, designed to meet or exceed OE specifications.

Features:

Exact Fitment: Engineered to perfectly match your BMW’s specifications for seamless installation. Durable Construction: Built with high-strength materials to resist engine heat, vibration, and wear. Precision Manufacturing: Designed to OE dimensions for accurate clearances and alignment. Optimal Performance: Restores proper timing and functionality at all engine speeds. Get your BMW back on the road with reliable performance and confidence.

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Oil Pressure Control Valve - 11417639993
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T#:37655968
Part#: 11417639993
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Unlike traditional BMW engines, modern engines, like the B48 and B58, use a volume-flow-regulated oil pump. Instead of providing a consistent volume of oil, these new systems control oil supply at each individual operating range.

This Control Valve Solenoid is a critical component in the volume-flow-regulated oiling system. This piece seamlessly adjusts the oil pressure based on inputs from the DME. In the event of failure, this means the engine oil supply system may become restricted.

Thankfully, Bremmen Parts offers this high-quality, OE replacement Control Valve Solenoid at a fraction of Genuine price. Built with durability and fitment in mind, this component is an exact fit for your BMW.

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Bremmen Parts Eccentric Shaft - BMW N55 S55 3.0L
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T#:36913364
Part#: 11377589883
In Stock
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This eccentric shaft is a vital component of your BMW's N55 Valvetronic system, responsible for precise control of valve lift. In the N55 engine, the Valvetronic system uses intermediate levers between the camshaft and lifters to adjust valve lift dynamically. These levers are actuated by this eccentric shaft, which is rotated by an electronically controlled motor under the direction of the engine computer.

Eccentric shaft failure is a common issue in N55 engines, often caused by inadequate lubrication due to extended oil change intervals. The most frequent failure occurs when the eccentric shaft gear wears down, leading to disengagement from the motor's worm drive. Symptoms include multiple fault codes, such as P1014 (Shaft Parity Error), P1017 (Shaft Sensor Plausibility), P1023 (Valvetronic Adjustment Range), and P10E1 (Valvetronic System No Travel Detected).

If your BMW is experiencing Valvetronic-related fault codes, a failing eccentric shaft could be the source of the problem. Opt for this premium direct replacement from Bremmen Parts to restore your Valvetronic system's functionality and ensure a durable, high-quality repair.

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Crank Timing Sprocket - M42 M44
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Bremmen Parts - Corporate Logo
T#:5471083
Part#: 11211247338
In Stock
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$ 56.94 USD
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Crankshaft located timing gear used in the operation of the timing chain. This item fits the following BMW Chassis: E30,E36 Fits BMW Engines including: M42,M44

Exhaust Valve - Priced Each
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Febi - Corporate Logo
T#:381763
Part#: 11347505731
In Stock
$ 26.99

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$ 22.99 USD
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$ 26.99

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VANOS Solenoid Actuator - 11367593719
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T#:37655980
Part#: 11367593719
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This Solenoid Actuator is responsible for adjusting camshaft timing through precise phasing, ensuring optimal engine performance.

As a common culprit behind VANOS-related trouble codes, replacing this component can be expensive. Opt for a durable and cost-effective solution with a high-quality replacement from Bremmen Parts, designed to deliver reliable performance without breaking the bank.

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Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4
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Bremmen Parts - Corporate Logo
T#:640145
Part#: 12147518628
Ships on Dec 16, 2026
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$ 28.04 USD
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A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivability issues

Timing Chain - Oil Pump
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Bremmen Parts - Corporate Logo
T#:5202590
Part#: 13528648731
In Stock
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MINI R56 N18 Street Series Piston Set Of 4 - Plus Size 77.50mm (+0.50...
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Sneed4Speed - Corporate Logo
T#:7260314
Part#: 182834450
Ships in 1 Business Day
$ 425.00 USD
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"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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OEM Febi Eccentric Shaft - BMW N55 S55 3.0L
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Febi - Corporate Logo
T#:31522948
Part#: 11377589883F
Ships in 1 Business Day
$ 1,014.99

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$ 923.38 USD
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The eccentric shaft is an important component of BMW's Valvetronic system, a form of variable valve lift control. If the teeth on the gear or the lobes have worn out, this can result in improper valve lift, decreased or abnormal performance, and even damage to cylinder head components. Replace your eccentric shaft with this high-quality part from OEM Febi to restore performance and eliminate valve lift issues without the marked-up price of a Genuine BMW eccentric shaft.
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Timing Chain Guide Rail - Left
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T#:5471008
Part#: 11311704945
In Stock
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Lower portion for bank 2 (5-8) This item fits the following BMWs: 1997-1998 E39 BMW 540i 1996-1998 E38 BMW 740i 740ill 1996-1999 E31 BMW 840i 840ci
SNEED4SPEED Forged Connection Rods - Set Of 4 R50/R52/R53 W10 W11 1.6...
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Sneed4Speed - Corporate Logo
T#:26238455
Part#: R53S4SROD
Ships in 3 Business Days
$ 449.99 USD
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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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Sprocket - Double Gear
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T#:5215978
Part#: 13528642165
Special Order: No Guaranteed ETA
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$ 43.19 USD
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MINI R55+ Sneed4Speed N Series Engine Cylinder Head Bolts Kit ...
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T#:18965470
Part#: NSHBS
Ships in 2 Business Days
$ 74.99 USD
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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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MINI R55 to R61 Crankshaft Gear
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T#:583703
Part#: 11217588996
In Stock
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05-03-2026

$ 21.25 USD
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$ 25.99

This product was last offered at the strikethrough price on
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$ 21.25 USD
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The lower sprocket gear, situated at the engine's bottom, mounts to the crankshaft and is commonly replaced during timing chain modifications for Mini engines. This critical component ensures proper timing and synchronization within the engine system, contributing to efficient and smooth engine performance.

  • Essential for timing chain modifications
  • Mounts to the crankshaft at the engine's base
  • Ensures proper engine timing and synchronization
  • Contributes to efficient engine performance
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Camshaft Sprocket - SOHC
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Bremmen Parts - Corporate Logo
T#:26904924
Part#: 11311485403
In Stock
Sale - Save 8% $ 56.99

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

$ 52.19 USD
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$ 56.99

This product was last offered at the strikethrough price on
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$ 52.19 USD
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Sneed4Speed Street Series Piston Rings Set - Stock Size 77.50mm (+0.5...
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Sneed4Speed - Corporate Logo
T#:18932317
Part#: NSRS.5
Ships in 2 Business Days
$ 24.99 USD
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MINI R56 N14 Street Series Piston Set Of 4 - Plus Size 77.50mm (+0.50...
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Sneed4Speed - Corporate Logo
T#:7260306
Part#: 182834350
Ships on Nov 13, 2026
$ 425.00 USD
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"0.50" will be printed on the pistons. Please inspect before install.

Sneed4Speed Street Series Piston Set Of 4 - N18 Stock Size 77mm ...
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T#:7260311
Part#: 1828344
Ships in 1 Business Day
$ 425.00 USD
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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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R56 Main Stud Kit
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T#:30397432
Part#: R56MSK
Ships in 2 Business Days
$ 159.99 USD
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Rein M42 Piston Rings - Set - Single Piston - 11251727461 - E30 318i ...
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Rein - Corporate Logo
T#:591604
Part#: 11251727461
Back Ordered
$ 31.99 USD
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Replace your worn out piston rings with OE replacements - 84.000mm
Sneed4Speed Street Series Piston Set Of 4 - N14 Plus Size 77.25mm (+0...
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T#:7260305
Part#: 182834325
Ships in 1 Business Day
$ 425.00 USD
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"0.25" will be printed on the pistons. Please inspect before install.


R56 N12 Sneed4Speed Street Series Piston (+0.50)
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T#:26238483
Part#: N12PS.5
Ships in 9 Business Days
$ 425.00 USD
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"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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Sneed4Speed Street Series Piston Rings Set - Stock Size 77.25mm (+0.2...
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Sneed4Speed - Corporate Logo
T#:18932315
Part#: NSRS.25
Ships in 2 Business Days
$ 24.99 USD
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MINI F56 B36 B46 Crank Pulley With Dampener
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Febi - Corporate Logo
T#:4648710
Part#: 11238638614
Ships in 1 Business Day
$ 455.99

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

$ 402.99 USD
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$ 402.99 USD
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MINI R53 R56 Rear Toe Adjustment Tool is designed for quick and precise rear toe adjustments on all MINI vehicles. This tool allows users to make adjustments efficiently using a standard 1/2" drive socket wrench, saving time during each alignment process.

  • Efficient Adjustment enables quick rear toe alignment on MINI vehicles.
  • User-Friendly compatible with a 1/2" drive socket wrench for easy use.
  • Precision Engineering ensures accurate adjustments every time.
  • Durable Construction CNC-machined from SCM440 Alloy Steel for long-lasting performance.
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MINI R56 N14 N18 Adjustment Inlet Cam Unit
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T#:591758
Part#: 11367545862
Ships in 1 Business Day
$ 265.99

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

$ 236.99 USD
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$ 236.99 USD
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Enhance your BMW's engine performance with this thicker timing chain camshaft gear, strategically situated toward the rear and off the intake side of the engine. Frequently changed during timing chain replacements, this gear offers enhanced durability and optimized functionality.

  • Thicker gear design for enhanced durability
  • Positioned toward the rear of the engine
  • Located off the intake side for optimal function
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Sneed4Speed R56 MINI Engine Rod Bearing - Standard Size - Black Magic...
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T#:46237922
Part#: NSRBSBM
Ships in 7 Business Days
$ 133.99 USD
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Rein Exhaust Valve - E34, E36, E39, E46, Z3
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Rein - Corporate Logo
T#:379738
Part#: 11341739823
Ships on Nov 13, 2026
$ 20.99 USD
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Replacement exhaust valve

Crankshaft Sprocket
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Bremmen Parts - Corporate Logo
T#:26904925
Part#: 11211485402
In Stock
Sale - Save 6% $ 32.63

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

$ 30.59 USD
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This product was last offered at the strikethrough price on
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Febi Cylinder Head Bolt Kit - E36, E39, E46, Z3
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T#:363745
Part#: 11121721938
Ships on Jan 27, 2027
$ 37.99 USD
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$ 37.99 USD
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Set of 14 stretch bolts for installing cylinder head

Crankshaft
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T#:38924612
Part#: 11217580483
Special Order: No Guaranteed ETA
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$ 1,591.76 USD
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Direct replacement N55 crankshaft for a fraction of the cost of Genuine

Febi M57 Crankshaft Position Sensor - 13627809334 - E90 335d, E70 X5 ...
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T#:56254756
Part#: 13627809334
Back Ordered
New Item
$ 46.99 USD
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Maintain the crisp throttle response and reliable performance of your BMW with this Febi Bilstein Crankshaft Position Sensor.
TIMING CHAIN WITH TENSION RAIL
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T#:57231560
Part#: 11318658027
In Stock
New Item
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This product was last offered at the strikethrough price on
09-16-2026

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Febi-Bilstein Spark Plug Recess Ignition Coil Guide - 11127565869 ...
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T#:16873849
Part#: 11127565869
In Stock
$ 7.99

This product was last offered at the strikethrough price on
09-04-2026

$ 7.13 USD
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$ 7.13 USD
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Insulation sleeve for the spark plug insert on then valve cover.


Timing Chain Sprocket - Crankshaft
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T#:26404785
Part#: 11317603944
In Stock
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$ 19.19 USD
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$ 23.99

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Rein Aluminum Cylinder Head Bolt Set - 11120392547 - E9x, E8x, E60, E...
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T#:594302
Part#: 11120392547
Ships in 3 Business Days
$ 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.