BMW Engine Parts for BMW E90 M3 S65 4.0L

NRW Designs S65 Valve Cover Gasket Kit

T#:42436691

Part#: S65VCGKT

Ships in 3 Business Days

$ 396.00 USD

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$ 396.00 USD

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Whether you're maintaining your S65 engine or upgrading to billet covers, the NRW Designs S65 Valve Cover Gasket Kit ensures maximum reliability and performance

NRW Designs - Upgraded S65 Viton Valve Cover Gasket Set - E90, E92 M3...

T#:42436697

Part#: S65VCG12

Ships in 4 Business Days

$ 114.99

This product was last offered at the strikethrough price on
07-31-2026

$ 99.99 USD

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$ 99.99 USD

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A smart upgrade that enhances engine reliability and longevity by sealing off the valve cover and mitigating oil leaks.

NRW Design Billet Spark Plug Tubes - S65 E9X M3

T#:29101660

Part#: S65BILLETSPTBS

Ships in 1-2 days

$ 199.99 USD

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$ 199.99 USD

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Crafted from 6061 billet aluminum, these spark plug tubes are the first of their kind. They boast a serviceable design and a 30% increase in contact surface compared to OEM spark plug tubes, ensuring superior performance and durability. Designed to last a lifetime, these billet spark plug tubes are resistant to leaks, tears, and deterioration.

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NRW Designs Silicone Valve Cover Grommet Kit - S65 E9x M3

T#:26504975

Part#: S65VCG

Back Ordered

$ 95.00 USD

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$ 95.00 USD

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From the factory, BMW S65 valve cover bolts feature integrated non-serviceable grommets. These rubber seals tend to weaken, becoming brittle after years of heat and oil exposure. Replacing these bolts and integrated grommets can total over $280

To address this issue, NRW has developed a solution: a silicone replica of the factory rubber grommet, boasting a superior heat resistance of 170 degrees Celsius compared to the original's 120 degrees Celsius. Each kit contains 26 grommets, enough to service both valve covers.

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Spark Plug Socket 16MM 12 Point Swivel

T#:640924

Part#: CTA4329

In Stock

$ 24.28 USD

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$ 24.28 USD

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Swivel Spark Plug Socket 16MM

NRW Design 4130 Chromoly Vanos Covers - S65

T#:42403028

Part#: S65VANOS

Ships in 4 Business Days

$ 331.99

This product was last offered at the strikethrough price on
08-07-2026

$ 289.99 USD

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$ 289.99 USD

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Upgrade your BMW S65’s reliability and performance with these precision-engineered Billet Chromoly Vanos Covers your engine deserves.

NRW Design 4130 Chromoly Vanos Covers(With Bolts)

T#:42403026

Part#: S65VANOSWB

Ships in 1-2 days

$ 389.99 USD

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$ 389.99 USD

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For BMW owners seeking ultimate Vanos system reliability and performance, NRW Design 4130 Chromoly Vanos Covers (With Bolts) from Turner Motorsport provide a proven and durable solution built to endure the demands of high-performance driving.

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NRW Designs S65 Aluminum Valve Cover - Wrinkle Black

T#:20584676

Part#: S65VCWBLK

Ships in 4 Business Days

$ 1,199.99 USD

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$ 1,199.99 USD

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Upgrade your BMW S65 engine to deliver high-quality, performance-driven ascetics that meet the demands of both daily drivers and motorsport enthusiasts.

NRW Designs S65 Aluminum Valve Cover - OE Gray

T#:20584675

Part#: S65VCOEG

Ships in 1 Business Day

$ 1,371.99

This product was last offered at the strikethrough price on
06-05-2026

$ 1,199.99 USD

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$ 1,199.99 USD

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Upgrade your BMW S65’s performance and reliability with the NRW Designs S65 Aluminum Valve Cover - OE Gray, and count on Turner Motorsport for top-tier components trusted by professionals and enthusiasts alike.

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NRW Desings S65 Aluminum Valve Covers - Wrinkle Red

T#:42403031

Part#: S65VCWRD

Ships in 1 Business Day

$ 1,199.99 USD

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$ 1,199.99 USD

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With the NRW Designs S65 Aluminum Valve Covers finished in Wrinkle Red, BMW owners can enhance the reliability, style, and longevity of their S65 engine.

NRW Designs The Ultimate BMW Billet Oil Cap - S55, S65, S85

T#:42436711

Part#: UBBOC

Ships in 4 Business Days

$ 189.99 USD

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$ 189.99 USD

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The reliable and stylish choice for performance-minded owners. Upgrade your BMW’s form and function with NRW Designs The Ultimate BMW Billet Oil Cap

CTA Tools Valve Spring Compressor Kit

T#:584140

Part#: CTA2112

In Stock

$ 115.45 USD

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$ 115.45 USD

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Replaces valve springs and valve stem oil seals without the need to remove the cylinder head

NRW Designs S65 Aluminum Valve Cover - Smooth Red

T#:20584680

Part#: S65VCSRD

Ships in 4 Business Days

$ 1,199.99 USD

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$ 1,199.99 USD

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For enthusiasts seeking a combination of bold looks and long-term reliability, the NRW Designs S65 Aluminum Valve Cover - Smooth Red from Turner Motorsport delivers premium performance and style.

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NRW Designs S65 Aluminum Valve Cover - Smooth Yellow

T#:20584683

Part#: S65VCSY

In Stock

$ 1,199.99 USD

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$ 1,199.99 USD

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For BMW M3 owners seeking a bold, durable, and functional engine bay upgrade, the NRW Designs S65 Aluminum Valve Cover - Smooth Yellow from Turner Motorsport offers the ideal combination of form and function.

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NRW Designs S65 Aluminum Valve Cover - Smooth Black

T#:20584681

Part#: S65VCSBLK

Ships in 2 Business Days

$ 1,199.99 USD

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$ 1,199.99 USD

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For S65 reliability and a refined engine bay appearance, the NRW Designs S65 Aluminum Valve Cover finished in Smooth Black is a smart investment.

NRW Designs S65 Catchcan Kit Project With ESS Supercharged Hoses ...

T#:42436689

Part#: S65CCSK-2

Ships in 4 Business Days

$ 555.00 USD

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$ 555.00 USD

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The ultimate choice for enthusiasts looking to protect their investment, extend engine life, and maintain top-tier performance

NRW Designs E9X M3 S65 Inline Fuel Filter Kit - Gasoline Spec Aeromot...

T#:40951290

Part#: S65PFF

Ships in 4 Business Days

$ 310.00 USD

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$ 310.00 USD

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Perfect for preventative maintenance or performance upgrades, the E9X M3 S65 Inline Fuel Filter Kit - Gas Paper Filter is a smart addition to any BMW M3 owner's toolkit.

NRW Designs S65 Aluminum Valve Cover - Smooth Blue

T#:20584682

Part#: S65VCSBLU

Ships in 4 Business Days

$ 1,199.99 USD

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$ 1,199.99 USD

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For BMW owners looking to combine high-performance reliability with standout styling, the NRW Designs S65 Aluminum Valve Cover - Smooth Blue from Turner Motorsport delivers on every front.

NRW Designs S65 Aluminum Valve Cover - Wrinkle Blue

T#:20584678

Part#: S65VCWBLU

Ships in 4 Business Days

$ 1,199.99 USD

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$ 1,199.99 USD

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Enhance both the visual appeal and reliability of your S65 engine with the NRW Designs S65 Aluminum Valve Cover - Wrinkle Blue, proudly offered by Turner Motorsport.

NRW Designs S65 Catch Can Kit Project With N/A Hoses

T#:42436688

Part#: S65CCSK-1

Ships in 4 Business Days

$ 535.00 USD

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$ 535.00 USD

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An essential upgrade for any enthusiast seeking to extend the life and preserve the performance of their BMW M3

4 Pc. Spark Plug Socket Set-Euro

T#:1241318

Part#: CTA2030

Ships on Oct 26, 2026

$ 81.95 USD

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$ 81.95 USD

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Get the complete set and be ready.

Crank Bolt Socket 22mm

T#:3729823

Part#: CTA1067

In Stock

$ 31.43 USD

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$ 31.43 USD

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Designed for extreme torque

Active Autowerke Power Pulley Kit - E9x M3

For vehicles with production date 2007-5/2008

T#:397285

Part#: 13-001

Ships in 4 Business Days

5% off MSRP $ 399.00

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

$ 379.99 USD

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5% off MSRP

$ 399.00

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

$ 379.99 USD

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Easy to install - reduces parasitic losses from belt driven auxiliary components. Engine crankshaft pulley remains the same, this modification simply unleashes untapped potential from your vehicle. Expect to see gains around 10 RWHP from your S65. All BMW power pulleys included, including alternator, water pump, and power steering pulleys.

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NRW Designs E9X M3 S65 Inline Fuel Filter Kit (E85 Micro Glass Filter...

T#:42403021

Part#: S65EFF

Ships in 4 Business Days

$ 329.99 USD

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$ 329.99 USD

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The go-to choice for BMW enthusiasts looking to enhance fuel system reliability and performance while supporting ethanol-based fuels.

NRW Designs S65 Catchan Kit Project - Standard

T#:42436687

Part#: S65CCSK

Ships in 4 Business Days

$ 395.00 USD

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$ 395.00 USD

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BMW enthusiasts can enhance their engine's efficiency and longevity while maintaining factory-like fitment—all supported by the trusted performance experts at Turner Motorsport

Active Autowerke Supercharger Kit - E9X M3 2008-2013

T#:340094

Part#: AASC-E9XM3

Back Ordered

Starting at $ 9,995.00 USD

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Starting at $ 9,995.00 USD

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The advanced design and sleek features of the Active Autowerke Supercharger System include a front mount air-to-air intercooler system with a separate oil cooler for the supercharger unit's independent oil system. The Active Autowerke Supercharger Plenum replaces the factory air box and is designed to have an OEM-type look with custom finishes available at the customer's request. The Active Autowerke Supercharger Plenum has been designed with eight high-flow velocity stacks, and large three-inch intercooler piping to supply cooled air.

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S65 Aluminum Valve Cover - Multiple Finishes

T#:20584686

Part#: S65VC

Ships in 1-3 days

$ 1,371.99

This product was last offered at the strikethrough price on
06-05-2026

Starting at $ 1,199.99 USD

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Starting at $ 1,199.99 USD

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Introducing NRW Design's Aluminum S65 Valve Covers – a game-changing solution meticulously crafted to address the persistent challenges associated with factory S65 valve covers. These innovative valve covers have been engineered to set new standards in performance, durability, and aesthetics, making them the ideal choice for BMW enthusiasts. The Problem: Factory S65 valve covers, made from magnesium alloy, suffer from micro porosity and corrosion over time. This leads to the development of unsightly surface "pimples," leaks, and accelerated oxidation. These issues commonly affect gasket channels and edges, resulting in persistent oil leaks that can't be easily resolved by conventional means. The Solution: NRW Design presents a revolutionary answer with the first and only true 1:1 design aluminum valve cover for the BMW S65 engine. Our valve covers have been meticulously designed to eliminate the shortcomings of factory covers, offering a range of unprecedented benefits. Key Benefits: Corrosion-Resistant Aluminum: Unlike magnesium, aluminum is immune to micro porosity, ensuring there's no room for oxidation or corrosion. Aluminum valve covers have a proven track record across various models and manufacturers. True-to-Design Replication: The NRW Design valve covers are faithful reproductions of the original S65 valve covers. Every existing component – from gaskets, bolts, and sensors to caps, plug tubes, separators, and coil packs – fits seamlessly without requiring modifications. Customizable Powder-Coating: Enjoy the freedom to select from a variety of colors and finishes to match your personal style and preferences. Cost-Effective Solution: NRW Design valve covers offer a cost-effective alternative to the original BMW valve covers, delivering exceptional value without compromising on quality. Unmatched Longevity: These valve covers are die-cast from A383 alloy, chosen for its exceptional properties, ensuring unparalleled longevity and stability. Engineered for Performance: NRW Design meticulously retained critical features of the original design, including the high-pressure hump near oil separators, ensuring optimal pressure control and effective oil management. Stringent Quality Control: Each valve cover undergoes rigorous quality checks throughout the manufacturing process, ensuring precision and reliability at every step. Limited Lifetime Warranty: NRW proudly stands behind the quality of their products, supporting it with a lifetime replacement from fit and function.

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BMW Timing Tool Kit S65

T#:586860

Part#: CTA2896

Ships on Oct 26, 2026

$ 332.29 USD

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$ 332.29 USD

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For servicing engine timing on the S65 Engine

NRW Designs S65 Billet Spark Plug Tube Replacement Viton O-Ring Kit ...

T#:42403035

Part#: S65SPTOK

Ships in 4 Business Days

$ 53.99 USD

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$ 53.99 USD

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For BMW M3 owners demanding reliability and performance, the NRW Designs S65 Billet Spark Plug Tube Replacement Viton O-Ring Kit from Turner Motorsport offers a durable, leak-free solution that stands up to the demands of spirited driving and track use.

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Plastigage Set

T#:640925

Part#: CTA2450

In Stock

$ 9.27 USD

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$ 9.27 USD

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Plastigage Set is an essential tool for accurately measuring the clearances of engine rod and main bearings without the need for expensive micrometers. This set is ideal for ensuring proper engine assembly by helping you choose the correct size replacement bearing inserts. Designed to cover all automotive engines, the Plastigage Set provides precise measurements to maintain optimal engine performance.

Accurate Measurements: Measures clearances of engine rod and main bearings, ensuring proper fitment.
Cost-Effective: Eliminates the need for expensive micrometers, offering a budget-friendly solution.
Universal Application: Suitable for all automotive engines, making it versatile for various applications.
Complete Set: Includes sizes .001" - .003" (green) and .002" - .006" (red) to cover a wide range of measurements.

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CTA Tools - Spark Plug Gapper

T#:641654

Part#: CTA3235

Ships in 3 Business Days

$ 1.99 USD

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$ 1.99 USD

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CTA Tools - Spark Plug Gapper is an essential tool for accurately setting and measuring spark plug gaps, ensuring optimal engine performance. This precision tool is designed for both professional and DIY mechanics, providing reliable gap adjustments for a variety of engine applications.

Versatile Measurement Range: The ramp gauge measures gaps from .020 to .100 inches (0.50 to 2.5 mm), accommodating a wide range of spark plug specifications.
Precision Engineering: Engineered to deliver accurate gap settings, improving engine efficiency and performance.
Made in the USA: Crafted with high-quality materials to ensure durability and long-lasting performance.
Easy to Use: Simple design makes gap adjustments quick and straightforward, enhancing convenience in any workshop or garage setting.

Upgrade your toolset with the CTA Tools - Spark Plug Gapper to achieve precise spark plug gaps and optimize your engine’s performance.

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2 Pc. O-Ring Pick Set

T#:641668

Part#: CTA2554

In Stock

$ 8.55

This product was last offered at the strikethrough price on
08-23-2026

$ 7.99 USD

Limited Qty Sale

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$ 8.55

This product was last offered at the strikethrough price on
08-23-2026

$ 7.99 USD

Limited Qty Sale

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High quality steel blades with 4 different patterns for removal & installation of O-Rings, Oil Seals & more

9-Wire Spark Plug Gap Gauge

T#:641657

Part#: CTA3238

In Stock

$ 3.99 USD

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$ 3.99 USD

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Always check gap on your new spark plugs

Piston Ring Installer

T#:641669

Part#: CTA2028

In Stock

$ 9.27 USD

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$ 9.27 USD

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Installs and removes piston rings without damaging

NRW Design Viton Florine Rubber Oil Cap Gasket O-Ring

T#:42403030

Part#: NRWOCO

Ships in 3 Business Days

$ 10.00 USD

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$ 10.00 USD

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Upgrade your BMW’s reliability or stop an oil leak with the NRW Designed Viton Florine Rubber Oil Cap Gasket O-Ring

Active Autowerke Rotrex Traction Fluid - 1 Liter

T#:57616348

Part#: RTF-1L

Ships in 4 Business Days

7% off MSRP $ 140.00

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

$ 130.00 USD

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7% off MSRP

$ 140.00

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

$ 130.00 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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Active Autowerke - S65 Gen2 Supercharger Kit (Level 3/ 700HP)- E9X M3...

T#:397305

Part#: 12-030

Ships on Oct 23, 2026

5% off MSRP $ 18,749.00

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

$ 17,811.99 USD

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5% off MSRP

$ 18,749.00

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

$ 17,811.99 USD

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Since getting their start in 1981, Active Autowerke has earned a well-respected reputation in the BMW community for engineering high-quality power solutions for popular BMW models. This supercharger kit will produce 700 horsepower and 480 ft.lbs. of torque on your BMW, while retaining platform integrity and daily driveability. Unique to the design of the Rotrex supercharger is the traction drive system, which eliminates the lag often found in other centrifugal supercharger setups. Power delivery is smooth and dependable, and 100% reversible to stock if you so choose, since each system is designed as a self-contained unit.

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

T#:50934269

Part#: BFI-BMW-TRANS-01

Ships on Oct 30, 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.

Active Autowerke - S65 Gen2 Supercharger Kit (Level 2/ 640HP)- E9X M3...

T#:397304

Part#: 12-029

Ships on Oct 23, 2026

5% off MSRP $ 16,249.00

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

$ 15,436.99 USD

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5% off MSRP

$ 16,249.00

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

$ 15,436.99 USD

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Since getting their start in 1981, Active Autowerke has earned a well-respected reputation in the BMW community for engineering high-quality power solutions for popular BMW models. This supercharger kit will produce 640 horsepower and 413 ft.lbs. of torque on your BMW, while retaining platform integrity and daily driveability. Unique to the design of the Rotrex supercharger is the traction drive system, which eliminates the lag often found in other centrifugal supercharger setups. Power delivery is smooth and dependable, and 100% reversible to stock if you so choose, since each system is designed as a self-contained unit.

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Active Autowerke - S65 Power Pulley DPK Belt Kit - E9X M3

For vehicles with production date from 6/2008

T#:50934275

Part#: 13-001D

Ships in 4 Business Days

$ 75.00 USD

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$ 75.00 USD

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Free Up Real S65 Power — Engineered the Turner Way Your S65 is already making the power. This kit simply lets you keep more of it. The Active Autowerke Power Pulley Kit for the BMW E9X M3 reduces parasitic drag at the crankshaft, trimming rotational mass and freeing up horsepower that would otherwise be consumed by accessory drive load. The result is a measurable increase in rear-wheel output without sacrificing the balance, cooling capacity, or long-term durability expected from a properly engineered BMW upgrade. The crank pulley is CNC-machined from billet 6061 aluminum and finished with a hard-coat anodize for durability under sustained high-RPM operation. Unlike undersized pulleys that compromise system function, this design maintains proper operating characteristics while delivering real-world gains. Late-2007 production E9X M3 models transitioned to a double-sided (DPK) A/C belt configuration. Rather than forcing a workaround, Active Autowerke developed a proper DPK-compatible solution — including the correct matched belt. Applicable kits also include a spare DPK belt for added insurance. Dyno testing on a Mustang chassis dyno confirms gains of 10–12+ rear-wheel horsepower on an otherwise stock vehicle. Installation is fully reversible and requires no permanent modification. Product Highlights 10–12+ RWHP gain verified on stock S65 engines Complete bolt-on system CNC-machined 6061 billet aluminum crank pulley Hard-coat anodized finish for durability Includes correct replacement drive and A/C belts Spare DPK belt included where applicable Compatible with manual and DCT-equipped E9X M3 Reduces parasitic drag and rotational mass Designed to maintain proper operating temperatures Works in conjunction with Active Autowerke performance software Available for single-sided and double-sided (DPK) belt configurations Fitment Information Confirm whether your E9X M3 is equipped with a single-sided or double-sided (DPK) A/C belt prior to ordering to ensure correct application. A properly engineered solution for enthusiasts who want measurable gains while preserving OEM-level refinement and reliability.

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Active Autowerke Supercharger Kit Gen 2 Level 4 - E9X M3 S65 4.0L ...

T#:57616347

Part#: 12-032-C38

Ships on Oct 23, 2026

$ 23,749.00 USD

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$ 23,749.00 USD

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The Active Autowerke Supercharger System is powered by a Rotrex C38-92R Supercharger Unit mounted with a custom CNCed bracket that uses a dedicated drive belt system, while eight high flow fuel injectors are used to supply the additional required fuel. Active Autowerke's Performance Software, available for 91-93 octane, race gas, and octane levels unique to other countries, is carefully calibrated, and is at the heart of the system to provide an unparalleled driving experience. Keeping within the factory's OBDII parameters, the Active Autowerke Supercharger System ensures consistency for everyday driving. The Level 4 system includes a water/methanol injection system with upgraded pulley and custom software.

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5 Pc. Hook & Pick Set

T#:641721

Part#: CTA9900

Ships on Oct 26, 2026

$ 9.99 USD

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$ 9.99 USD

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For separating wires, removing small fuses, "O" rings, retrieving washers and parts, scribing on metal parts

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BMW Engine Parts for BMW E90 M3 S65 4.0L

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