BMW Engine Parts for BMW Z Series E85/6 (2003-2008)

Billet Oil Filter Cap

T#:21045489

Part#: BMS-OFC

In Stock

Starting at $ 89.00 USD

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Starting at $ 89.00 USD

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The Burger Motorsports V2 billet aluminum oil filter cover is a metal upgrade that directly replaces your weak OE plastic cap for greater protection, better cooling, ease of removal/install, and looks great under the hood. The built-in 21mm hex and a 3/8" drive socket wrench fitting that does not require a special removal/install tool like the factory cap. Uses the OE oil filter, filter housing o-ring, and filter cage. Anodized for protection. This quality part is a must for any serious BMW owner. Replaces OEM part number 11427525334 - BMW Oil filter cover. Features and Benefits Solid aluminum design is much stronger than brittle plastic 21mm hex head + 3/8" drive socket wrench fitting Integrated heat sinks for better oil cooling Special tools are not required for removal/install like the factory cap Strong design won't fail under pressure Reuses OE filter cage and o-ring Anodized for protection Looks great under the hood Made in the USA

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Kolbenschmidt Connecting Rod Bearing Set - E28, E30, E32, E34, E36, E...

T#:341713

Part#: 11241284849

In Stock

$ 77.11

This product was last offered at the strikethrough price on
02-20-2026

$ 67.99 USD

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$ 67.99 USD

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Standard bore - 45mm Set of 8 connecting rod bearings for 4 cylinders/connecting rods. 6cyl, V8, & V12 engines will require additional sets to overhaul all connecting rod bearings.

Spark Plug Gapper Tool BMS Billet

T#:26404907

Part#: 12MMSPG

In Stock

$ 35.00 USD

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$ 35.00 USD

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Spark Plug Gapper Tool BMS Billet is essential for accurately adjusting the gap of spark plugs. This precision tool ensures that each plug is set to the exact specifications required for optimal engine performance. Made in the USA, it features a 12mm plug thread size, making it suitable for a wide range of applications.

Precision Adjustment: Allows for accurate gap adjustments to ensure optimal spark performance and engine efficiency.
Speed and Efficiency: Streamlines the process of gapping plugs while maintaining high precision, saving time and effort.
High-Quality Construction: Crafted from billet materials for durability and reliability, ensuring long-term use.
Lifetime Replacement Program: Comes with a lifetime replacement guarantee, reflecting confidence in the tool's quality and performance.

Upgrade your spark plug maintenance with the Spark Plug Gapper Tool BMS Billet for a reliable and precise solution.

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Main Bearing Set - M20, M42, M50, M52, M44, M54, S50, S52, S54 ...

T#:12919

Part#: 11211706847

In Stock

$ 110.29 USD

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$ 110.29 USD

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These are the "Yellow" main bearing shells for many BMW 4 and 6 cylinder engines. The size is 60.00mm. Set includes bearings for 6 cylinder cars. 4 cylinder cars get 2 spare bearing sets.

KS Kolbenshmidt designs and produces internal parts for gasoline and diesel engines and is an OEM choice for many automakers. Both increased power handling and reduced fuel consumption are the motivating factors behind this company and they continue to innovate every day.

This item fits the following BMWs:
1990-1991 E30 BMW 318i 318is 318ic
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
1989-1990 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2000-2006 E53 BMW X5 3.0i
2004-2006 E83 BMW X3 2.5i X3 3.0i
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
2003-2006 E85 BMW Z4 2.5i Z4 3.0i - M54
2006-2008 E85 BMW Z4 M Roadster M Coupe

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Active Autowerke Rotrex Traction Fluid - One Liter

T#:397307

Part#: 12-032

Ships in 1 Business Day

$ 240.00 USD

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$ 240.00 USD

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Rotrex superchargers utilize a unique traction drive system that sets it apart from other centrifugal-style superchargers. For best performance, Rotrex recommends replacing this fluid every 50,000 miles. This bottle of traction fluid is plenty enough for one supercharger service (typically 750ml).

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Billet Spark Plug Gapper Tool - 14mm - BMS

T#:583132

Part#: BMSBSPGT14MM

Ships in 7 Business Days

$ 35.00 USD

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$ 35.00 USD

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BMS Billet Spark Plug Gapper Tool - 14mm is an essential tool for achieving accurate and consistent spark plug gapping, ideal for automotive enthusiasts and professional mechanics alike. This precision tool helps maintain optimal plug performance by providing reliable, consistent gaps. Available in both 14mm and 12mm plug thread sizes, this tool is proudly made in the USA to deliver durability and precision.

Precisely gaps spark plugs for enhanced engine performance and efficiency
Speeds up the gapping process while ensuring accuracy and uniformity
Available in two sizes (14mm and 12mm) for a wider range of compatibility
Optional specialty feeler gauge included with 4 blades in thicknesses of .018, .020, .022, and .024
Made in the USA for premium quality and durability

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Improved Racing BMW Oil Cooler Thermostat (180F)

T#:27171935

Part#: IRTHERM

Back Ordered

Starting at $ 318.99 USD

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Starting at $ 318.99 USD

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Precise Oil Temperature Control for Your BMW Upgrade your BMW N20, N26, N51, N52, N53, N54, N55, and S55 engine's oil temperature control with Improved Racing's high-performance oil cooler adapter. Designed to address flaws in the factory's restrictive oil cooler adapter and faulty internal flow control valve, this upgrade ensures precise oil temperature control. Improved Racing's thermostat provides quick engine warmup, prevents overcooling, and delivers full oil cooling capacity on demand. Trusted by professional race teams around the globe, Improved Racing's thermostats have proven highly reliable, are backed by a lifetime warranty, and are made in the USA. Option to Use the Factory Oil Cooler and Lines The optional factory oil line adapter allows you to use the factory oil cooler lines for a simple, plug-and-play installation. For maximum performance, the factory oil cooler and lines may be replaced with an aftermarket cooler and AN lines using the AN adapter fittings (-10AN line size is recommended). Please note that some applications, such as most BMW SUV's, use a water-to-oil heat exchangers. These applications require plugging the coolant supply and return ports, as well as adding an external air-to-oil cooler and lines (factory or aftermarket). Please note the Oil cooler adapter cannot be used without an oil cooler.

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Extended Spark Plug Socket

T#:391150

Part#: SUU884506

In Stock

9% off MSRP $ 31.99

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

$ 28.99 USD

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9% off MSRP

$ 31.99

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

$ 28.99 USD

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3/8" drive socket with 5/8" opening for most spark plugs

OEM Kolbenschmidt Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S5...

T#:31092510

Part#: 11367583208

Special Order: No Guaranteed ETA

$ 103.99

This product was last offered at the strikethrough price on
03-31-2026

$ 94.99 USD

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$ 94.99 USD

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This timing chain camshaft gear is the thicker gear located toward the front of the engine on the end of the exhaust camshaft. This is sometimes changed when replacing the timing chain. BMW # 11367578877 may also be required when servicing this part.

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OEM Kolbenschmidt Adjustment Unit - Inlet Camshaft - BMW N52 N55 S55 ...

T#:31092509

Part#: 11367583207

Special Order: No Guaranteed ETA

$ 103.99

This product was last offered at the strikethrough price on
03-31-2026

$ 94.99 USD

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$ 94.99 USD

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This timing chain camshaft gear is the thicker gear located toward the front of the engine on the end of the intake camshaft. This is sometimes changed when replacing the timing chain. BMW # 11367578877 may also be required when servicing this part.

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Connecting Rod Bushing - Set Of 6

T#:4744851

Part#: 11241278209

Ships in 6 Business Days

$ 18.99

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

$ 17.30 USD

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$ 17.30 USD

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Recommended to be replaced anytime engine is being overhauled.

Black Forest Industries Engine Mounts - Stage 1 - BMW E30 / E36 / E46...

T#:50934264

Part#: BFI-BMW-90-01

Ships on Aug 12, 2026

$ 199.99 USD

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$ 199.99 USD

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Eliminate the "drive-line slop" common in the E36 and E46 chassis with this Stage 1 Engine Mount kit.

BFI Transmission Mounts - Stage 1 - BMW E30 / E36 / E46 / E9X / Z3 / ...

T#:50934269

Part#: BFI-BMW-TRANS-01

Ships on Aug 12, 2026

$ 69.99 USD

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$ 69.99 USD

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This kit is a "must-have" for any E36, E46, or E9X owner looking to tighten up their drivetrain's foundation and ensure long-term mechanical reliability.

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BMW Engine Parts for BMW Z Series E85/6 (2003-2008)

Sub-Categories

Billet Oil Filter Cap

Kolbenschmidt Connecting Rod Bearing Set - E28, E30, E32, E34, E36, E...

Spark Plug Gapper Tool BMS Billet

Main Bearing Set - M20, M42, M50, M52, M44, M54, S50, S52, S54 ...

Active Autowerke Rotrex Traction Fluid - One Liter

Billet Spark Plug Gapper Tool - 14mm - BMS

Improved Racing BMW Oil Cooler Thermostat (180F)

Extended Spark Plug Socket

OEM Kolbenschmidt Adjustment Unit - Exhaust Camshaft - BMW N52 N55 S5...

OEM Kolbenschmidt Adjustment Unit - Inlet Camshaft - BMW N52 N55 S55 ...

Connecting Rod Bushing - Set Of 6

Black Forest Industries Engine Mounts - Stage 1 - BMW E30 / E36 / E46...

BFI Transmission Mounts - Stage 1 - BMW E30 / E36 / E46 / E9X / Z3 / ...

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