Oil Pump Chain - E46 M3, Z3M Z4M with S54 engine

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T#:34869

Part#: 11411401399

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This is an OEM oil pump chain for BMW's with the S54 6 cylinder engine. We recommend replacing the oil pump chain any time you remove the oil pump from the car.

IWIS is a leader in complex engine parts. Using advanced techniques in research and design allows IWIS to offer parts that not only repair, but ultimately improve the way your engine runs.

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe

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Supertech Performance Exhaust Valve - BMW M50 M52

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T#:640219

Part#: BMEVN-1030S

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Supertech valves are some of the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. These valves are hardened black nitrided, which is most popular in European and Japanese motors.

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Camshaft Gear - Outlet

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T#:26904918

Part#: 11367547955

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Check Valve - 11367541692

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T#:37655979

Part#: 11367541692

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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.

Schwaben VANOS Solenoid Socket - M52 M54 M62

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T#:363378

Part#: 009333SCH01A

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$ 29.24 USD

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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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Rein Piston Ring Set - Priced Per Piston

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T#:592811

Part#: 11251713178

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Replace your worn rings - 84.000mm

Crankshaft Main Bearing Shell 3 (Brown - 55.00mm) - Priced Each ...

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T#:31556214

Part#: 11217926105

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$ 28.47 USD

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MINI N14 N18 77.00mm Piston Ring Kit GNH7700

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T#:594815

Part#: GNH7700

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Enhance the performance of your MINI N14 or N18 engine with the MINI N14 N18 77.00mm Piston Ring Kit GNH7700. This high-quality piston ring kit is designed to provide optimal sealing and durability for your engine, ensuring smooth operation and reliable performance.

Specifically designed for MINI N14 and N18 engines
Features a diameter of 77.00mm for precise fitment
Ensures optimal sealing to prevent oil leakage and maintain compression
Durable construction for long-lasting performance and reliability

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Upgraded Exhaust Valve Black Nitride Valves +.5mm SST Super Alloy Tri...

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T#:28869543

Part#: JMEX-N14-18

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Supertech Upgraded Valve Stem Seal Kit - BMW S54 S52 S50 M54 M52 M50 ...

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T#:641030

Part#: VS-VBM6-6CYLKT

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Includes a full set of polyacrylic intake and viton exhaust valve stem seals! Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 8.8mm/.347" Seal OD: 12.2mm/.480"

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Genuine MINI Screw Plug With Gasket

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T#:33889

Part#: 11311487189

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Genuine MINI SCREW PLUG WITH GASKET RING
Fits BMW Engines including:
W10,W11

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

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T#:183

Part#: 11241310515

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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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TRW Exhaust Valve (38 mm) (8 mm Stem) - E10 E21 E30

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T#:19086

Part#: 11341251063

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EXHAUST VALVE 11341251063 Manufactured by TRW

This item fits the following BMWs:

BMW 2002 - 2002, 2002tii
BMW 3 Series - 318i, 320i

--.

Supertech Intake Valve - Priced Each - Standard Size

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T#:31092526

Part#: MCIVN-1004T

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Genuine BMW Valve Spring - Outer (30.2 mm Diameter) - E28 E30 E34 ...

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T#:6788

Part#: 11341706583

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Genuine BMW Valve Spring - D=30,2mm
This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M20

Rocker Arm - E30 325e 325i 325is - E34 525i (M20)

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T#:3387

Part#: 11331271429

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$ 33.99

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05-07-2026

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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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TRW Exhaust Valve - E60, E61, E71, E82, E88, E90, E92, E93, F01, F02,...

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T#:591674

Part#: 11347573840

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Replacement exhaust valve

Supertech Intake Valve - Priced Each 30.10 Standard Size

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T#:31589378

Part#: MCIVN-1400S

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Exhaust Valve - Priced Each

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T#:381763

Part#: 11347505731

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Ina Rocker Arm - E28, E30, E34

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T#:557719

Part#: 11331271429

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Broken rocker arms are a real concern. Replace your broken arm or preventatively replace all of them.

Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4

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T#:640145

Part#: 12147518628

Ships on Sep 16, 2026

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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

Drilled Oil Pump Nut - S52 S50 M50 M52 M54

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T#:206177

Part#: OILPUMPNUT

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Don't let the oil pump nut back off on your s50/s52/m50/m52/M54 BMW 6 cylinder engine! These nuts have a habit of coming off in track situations, leaving you with no oil pressure and a blown engine. This nut, pre-drilled for safety wire, is the proper solution to the problem. A must if you track your car.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
1996-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
1996-2000 Z3 BMW M Roadster M Coupe
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
Not for Euro S50 E36 M3 euro models

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Crankshaft Sprocket

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T#:26904925

Part#: 11211485402

Ships on Aug 14, 2026

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$ 26.10 USD

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OEM Elring Cylinder Head Bolt Set - E30 E34 M20 2.5L 2.7L

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T#:2706174

Part#: 11121726478

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Brand new set of cylinder head bolts - the cylinder head bolts need to be replaced after removal, once a bolt is torqued down you're unable to reuse it.

Intake Valve - Black Nitride - Oversize

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T#:21505753

Part#: BMIVN-1054S-1

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Head Diam: 31.9mm (+0.5mm) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 106.7mm Stem Diam: 4.96mm

Piston Ring Repair Kit

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T#:22064615

Part#: 11257594453

Special Order: No Guaranteed ETA

$ 30.99

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Repair Kit Piston Rings This item fits the following BMW Chassis: E89 Z4,F10,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36 Fits BMW Engines including: N20,N26 Genuine BMW Repair Kit Piston Rings - (0) This item fits the following BMW Chassis: E89 Z4,F10,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36 Fits BMW Engines including: N20,N26

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Genuine BMW Bolt - Timing Chain Guide Rail - E53 E60 E63 E64 E65 E66 ...

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T#:33869

Part#: 11311439551

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7% off MSRP $ 27.99

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$ 25.99 USD

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$ 27.99

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Genuine BMW Bolt
This item fits the following BMW Chassis:
E53 48IS,E53 X5 X5,E63,E65,E70 X5

Fits BMW Engines including:
N62,N62N

Supertech Single Groove Intake Valve - Priced Each

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T#:14783497

Part#: BMIVN-1055S

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Head Diam: 32mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 104.9mm Stem Diam: 4.97mm

Genuine BMW Upper Bearing Shell - Blue - M20 M42 M44 M50 M52 M54 S50 ...

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T#:19122

Part#: 11241284852

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$ 25.09 USD

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Genuine BMW Bearing Shell, Blue - 44,75Mm(+0,25)
This item fits the following BMW Chassis:
E36 M3,E30,E34,E36,E39,E46,E53 X5 X5,E83 X3,E85 Z4

Fits BMW Engines including:
M20,M42,M44,M50,M52,M54,M56,S50,S52

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Genuine BMW Intake Camshaft Oil Splash Shield - M54 2.5L, M52 2.5L, M...

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T#:31264

Part#: 11121740163

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$ 24.99 USD

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$ 25.99

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Genuine BMW Cover
This item fits the following BMW Chassis:
E36 M3,E34,E36,E39,E46,E53 X5 X5,E83 X3,E85 Z4

Fits BMW Engines including:
M50,M52,M54,M56,S50,S52

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Sneed4Speed Street Series Piston Rings Set - Stock Size 77.50mm (+0.5...

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T#:18932317

Part#: NSRS.5

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Piston Ring Repair Kit - ( 0 Size )

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T#:589332

Part#: 11257566479

Ships in 3 Business Days

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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.

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Febi Intake Hydraulic Tappet

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T#:381750

Part#: 11337548690

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Hydraulic valve lifter

Sneed4Speed Street Series Piston Rings Set - Stock Size 77mm - Priced...

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T#:18932312

Part#: NSRS-STD

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Sneed4Speed Street Series Piston Rings Set - Stock Size 77.25mm (+0.2...

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T#:18932315

Part#: NSRS.25

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Exhaust Valve

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T#:594026

Part#: 11347553772

Ships in 3 Business Days

$ 24.34 USD

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Replacement Exhaust valve from TRW

Exhaust Valve - Priced Each

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T#:54388348

Part#: 11347513024

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On the street or at the track, your engine’s top end takes a beating. If you are rebuilding a cylinder head due to high mileage, overheating, or a mechanical overrev, you need valves that can handle the heat. This Corteco Exhaust Valve is the exact OEM replacement you need to guarantee factory-level sealing and long-term durability under demanding conditions.

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Intake Valve - Black Nitride

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T#:21505752

Part#: BMIVN-1054S

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$ 25.99

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Head Diam: 31.40mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 106.7mm Stem Diam: 4.96mm

W11 77.50mm Piston Ring Kit GNH7750

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T#:23284068

Part#: GNH7750

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Experience top-tier performance with Supertech Piston Rings, meticulously crafted in Japan using advanced technology. Engineered for high-performance applications, these piston rings are specifically designed to optimize engine performance in BMW vehicles.

Manufactured in Japan with cutting-edge technology for superior quality
Specifically designed for high-performance applications
Ideal for ensuring peak engine performance in BMW vehicles
Four sets required for a complete engine overhaul

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Genuine BMW Impulse Sending Wheel

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T#:406996

Part#: 11311702157

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$ 23.99 USD

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$ 24.99

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Genuine BMW Impulse Sending Wheel - 11311702157

SuperTech Black Nitrided Exhaust Valve - +1mm Oversize - Single Valv...

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T#:640986

Part#: BMEVN-1031S

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Upgraded valves designed for high horsepower applications! Our valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs. With every valve design, we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. It’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere! Optimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application. In 2006 we introduced our stem Superfinishing as a standard addition to all of our valves at no additional cost. When our Superfinish is combined with our Black Nitrided valve, it reduces the surface roughness to 1/3 of our chrome coated valve. The end result… unsurpassed performance and durability. Our exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures. Black Nitride Coating: This is a hardening treatment that has been steadily growing in popularity over the last several years. These black Nitride coated valves feature harder surfaces and smoother finishes, providing less friction and subsequently longer life. Please see below for more benefits of our Black Nitride valves. Head Diam: 31.50mm Material: Black Nitride Groove Type: Single Groove Length: 105.65mm Stem Diam: 5.95mm Size: 1mm+

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Genuine BMW Central Screw M12X1 - 11367840998 - E90,E92,E93

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T#:34715

Part#: 11367840998

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8% off MSRP $ 25.72

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$ 23.79 USD

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$ 25.72

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Genuine BMW Central Screw - M12X1
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Genuine BMW Crankshaft bearing shell - Blue - N20 2.0L

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:174260

Part#: 11217598964

In Stock

Sale - Save 37% $ 36.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 23.24 USD

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Sale - Save 37%

$ 36.99

This product was last offered at the strikethrough price on
05-02-2026

$ 23.24 USD

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Genuine BMW Bearing Shell, Blue - 50,00Mm
This item fits the following BMW Chassis:
E89 Z4,F10,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36

Fits BMW Engines including:
N20,N26

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Genuine BMW Camshaft Adapter Bolt (10 X 35 mm) (Torx Head) - E28 E30 ...

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T#:33908

Part#: 11311715412

Ships in 5 Business Days

4% off MSRP $ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 22.99 USD

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4% off MSRP

$ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 22.99 USD

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Genuine BMW Torx Bolt - M10X35
This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M20

Cover - 11417805107

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T#:606695

Part#: 11417805107

Ships in 8 Business Days

4% off MSRP $ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 22.99 USD

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4% off MSRP

$ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 22.99 USD

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Ensure your BMW engine continues to run smoothly and efficiently by using original parts like this oil pump sprocket cover.

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

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T#:360373

Part#: 11341739823

Ships in 4 Business Days

$ 22.99 USD

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$ 22.99 USD

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The exhaust valves in your vehicle allow the exhaust port to be sealed during the combustion process, so that the engine can run at top efficiency. If the timing belt or lifter breaks, this can cause the piston to come in contact with the valve and bend or break it, causing an improper seal. This will cause a rough idle, misfires, and a check engine light condition. Be sure to replace your bent or broken valve today and keep your engine running strong.

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Camshaft Sprocket

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:26404780

Part#: 11317790599

In Stock

$ 30.99

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

$ 22.99 USD

Limited Qty Sale

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$ 30.99

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

$ 22.99 USD

Limited Qty Sale

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OEM INA Rocker Arm - BMW N20 2.0L, N52 N54 3.0L

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T#:41492602

Part#: 11337559797

In Stock

$ 22.99 USD

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$ 22.99 USD

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Rocker arms work in conjunction with your camshafts and valves, applying pressure from the camshaft to open and close your intake and exhaust valves. If your rocker arm rollers have failed, this can lead to extreme camshaft damage, requiring the camshaft to be replaced. Replace your rockers whenever servicing your camshafts or replacing your hydraulic lifters to ensure long-term engine reliability.

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