BMW Engine Parts for BMW 3 Series E46 (1999-2005)

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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Corteco Engine Mount - E36, E46, E90, E92, E93, Z3, Z4
Corteco Engine Mount - E36, E46, E90, E92, E93, Z3, Z4
Only for left side
Corteco - Corporate Logo
T#:2157
Part#: 11812283798
In Stock
$ 82.69

This product was last offered at the strikethrough price on
06-23-2026

$ 82.00 USD
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$ 82.00 USD
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Don't neglect your motor mounts! The stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to shift. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

This is a replacement stock motor mount used on all M3s since 1995 and the Z4 M. It's also the standard motor mount for Z3 and E46 325xi/330xi models (left side). It can also used as an upgrade for non-M 1992-2006 E36 and E46 6 cylinder models because it's slightly stiffer to reduce flex and for a longer lifespan.

Sold per mount.

This motor mount / engine mount fits the following BMWs:
1995-1999 E36 BMW M3
2001-2005 E46 BMW 325xi 330xi (for left side only)
2001-2006 E46 BMW M3
2008-2011 E90 BMW M3 - Sedan
2008-2013 E92 BMW M3 - Coupe
2008-2013 E93 BMW M3 - Convertible
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe

In addition, this can be used as a motor mount upgrade for these models:
1992-1999 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic
1999-2006 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci
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Active Autowerke Rotrex Traction Fluid - One Liter
Active Autowerke Rotrex Traction Fluid - One Liter
Active Autowerke - Corporate Logo
T#:397307
Part#: 12-032
Ships in 2 Business Days
$ 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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Active Autowerke Level 1 Supercharger Kit - E46 M3 (6 Speed Transmission Only)
Active Autowerke Level 1 Supercharger Kit - E46 M3 (6 Speed Transmiss...
For vehicles with 6 speed transmissions
For vehicles with 6 speed transmissions
Active Autowerke - Corporate Logo
T#:397296
Part#: 12-023
Ships on Aug 6, 2026
5% off MSRP $ 11,249.00

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

$ 10,686.99 USD
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5% off MSRP
$ 11,249.00

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

$ 10,686.99 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 525 horsepower and 335 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.

Kit features:

  • Rotrex 92 trim supercharger running 7 PSI of boost
  • Supercharger bracket, pulleys, & belt
  • Self-contained oiling system with front-mount oil cooler
  • 6 high-flow fuel injectors
  • Colder heat range spark plugs
  • Active Autowerke  Generation 7 intake manifold with dual bypass valve
  • Front mount air-to-air intercooler
  • Active Autowerke air filter
  • Active Autowerke dyno-tuned software
  • All mounting hardware, plumbing, hoses, & clamps
  • Illustrated instruction manual & installation guide
  • 2 year warranty with free tech support

Performance Specs:

  • Power   :   525 BHP @ 7650 rpm
  • Torque   :   335 ft/lbs @ 5400 rpm
  • Boost Level   :   7-8 psi
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Active Autowerke PRIMA Supercharger Upgrade Kit to PRIMA Plus - E46 M3 (SMG Transmission Only)
Active Autowerke PRIMA Supercharger Upgrade Kit to PRIMA Plus - E46 M...
Active Autowerke - Corporate Logo
T#:397299
Part#: 12-022
Ships on Aug 6, 2026
5% off MSRP $ 2,249.00

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

$ 2,136.99 USD
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5% off MSRP
$ 2,249.00

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

$ 2,136.99 USD
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As the producer of one of the finest working supercharger systems for the BMW E46 M3, Active Autowerke is proud to introduce the PRIMA PLUS supercharger system capable of exceeding 500 WHP running on pump drawn 93 octane. The PRIMA PLUS is an upgrade kit to the existing PRIMA supercharger system designed to create MORE horsepower. In collaboration with Frank Smith of Tuning Tech FS, the Prima PLUS SC kit has evolved as a fantastic performer. With numerous dyno runs under countless hours all monitored through careful Data Logging and Lean/Rich evaluation, this PRIMA PLUS supercharger kit is ready for the BMW enthusiast. The PRIMA PLUS is a centrifugal design supercharger using a conventional fixed drive pulley, but unlike its predecessors, the PRIMA PLUS also has variable boost settings of 9.0 psi and 9.5 psi to help attain the power. A first in the BMW forced induction industry. For easy comparisons, here is where the PRIMA and PRIMA PLUS + stands when measuring rear wheel horsepower. A stock BMW E46 M3 is around 265 WHP. | PRIMA SC makes 425 WHP. | PRIMA PLUS SC makes 500+ WHP.
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Active Autowerke PRIMA Supercharger Kit - E46 M3 (6 Speed Transmission Only)
Active Autowerke PRIMA Supercharger Kit - E46 M3 (6 Speed Transmissio...
Active Autowerke - Corporate Logo
T#:397295
Part#: 12-021
Ships on Aug 6, 2026
5% off MSRP $ 9,375.00

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

$ 8,906.99 USD
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5% off MSRP
$ 9,375.00

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

$ 8,906.99 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 425 horsepower and 295 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. best of all, when you crave more power, this kit is fully upgradeable to Level 1 and Level 2 specs.

Kit features:

  • Rotrex C38-92 trim supercharger running 5.8 PSI of boost
  • Active Autowerke GEN 7 intake manifold
  • Active Autowere dual blow-off valve setup
  • Active Autowerke Air Filter
  • Alpha N software tune w/ SIMON2 interface
  • 6 high-flow fuel injectors
  • Dedicated oil cooling system
  • All mounting hardware, plumbing, hoses, & clamps
  • Illustrated instruction manual & installation guide
  • 2 year warranty with free tech support

Base Prima supercharger Dynojet results:
Boost: 5.8 psi
Stock Horsepower:  285.4 WHP @ 7500 RPM
Stock Torque: 232.36 LB-FT @ 5250 RPM
Supercharged Horsepower: 426.69 WHP @ 8150 RPM
Supercharged Torque: 297.99 LB-FT @ 7200 RPM

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Active Autowerke E46 M3 Prima Plus + Supercharger With 600HP Upgrade Kit
Active Autowerke E46 M3 Prima Plus + Supercharger With 600HP Upgrade ...
Active Autowerke - Corporate Logo
T#:401508
Part#: 12-035
Ships on Aug 6, 2026
$ 8,359.99 USD
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$ 8,359.99 USD
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As producer of one of the finest working supercharger systems for the BMW E46 M3, Active Autowerke is proud to introduce the PRIMA PLUS supercharger system capable of exceeding 500 WHP running on pump drawn 93 octane. The PRIMA PLUS is an upgrade kit to the existing PRIMA supercharger system designed to create MORE horsepower.
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Supercharger Kit Level 1 - E46 328 '99-'02
Supercharger Kit Level 1 - E46 328 '99-'02
For model years 1999-2002 ~ Call in to provide vin before purchase
For model years 1999-2002 ~ Call in to provide vin before purchase
Active Autowerke - Corporate Logo
T#:50899197
Part#: 12-016M438
Ships on Aug 6, 2026
New Item
$ 9,856.00 USD
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$ 9,856.00 USD
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Add proven forced induction performance to your E46 with the Active Autowerke 328i Supercharger Kit. Engineered to work seamlessly with your factory ECU and 91 to 93 octane pump fuel, this system uses dyno developed software to precisely manage ignition timing, fueling, VANOS, and rev limits through the stock DME. The result is smooth, repeatable power delivery with OEM-like drivability and the ability to return the vehicle to stock if desired. A self contained oil cooling system keeps installation clean without interfering with the factory oil circuit. For E46 owners looking to approach M3 level performance without the full swap, this complete bolt-on solution delivers substantial gains with proven reliability. Key Features Rotrex C38-81 trim supercharger 8 PSI boost pressure CNC machined supercharger bracket with hardware Self contained oil system with front mount cooler Six higher flow fuel injectors Active Autowerke/Bosch bypass valve High temperature silicone hoses with stainless clamps Mandrel bent aluminum charge tubing Active Autowerke performance air filter (K&N on select models) Active Autowerke dyno tuned software Complete hardware and illustrated instructions 1 year warranty with tech support Performance Power: 320 BHP @ 7000 RPM Torque: 260 lb ft @ 5400 RPM Boost: 8.0 PSI
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Supercharger Kit Level 1 - E46 3330i
Supercharger Kit Level 1 - E46 3330i
For model years 1999-2002 ~ Call in to provide vin before purchase
For model years 1999-2002 ~ Call in to provide vin before purchase
Active Autowerke - Corporate Logo
T#:50899198
Part#: 12-016M430
Ships on Aug 6, 2026
New Item
$ 9,856.00 USD
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$ 9,856.00 USD
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Add proven forced induction performance to your E46 330i with the Active Autowerke Supercharger Kit. Designed to deliver a significant horsepower increase without sacrificing daily usability, this system operates safely on 91 to 93 octane pump fuel and integrates directly with the factory ECU. Active Autowerke’s dyno developed calibration manages ignition timing, fueling, VANOS function, and rev limits through the stock DME for consistent, predictable results. Power delivery remains smooth and repeatable with OEM like drivability, and the system can be returned to stock configuration if needed. The included self contained oil cooling circuit keeps installation straightforward without modifying the factory oil system. For E46 owners seeking a complete, well engineered bolt on solution, this kit offers substantial, reliable gains. Key Features Rotrex C38-81 trim supercharger 8 PSI boost pressure CNC machined supercharger bracket with hardware Self contained oil system with front mount oil cooler Six higher flow fuel injectors Active Autowerke/Bosch bypass valve High temperature silicone hoses with stainless clamps Mandrel bent aluminum tubing for improved flow Active Autowerke performance air filter (K&N on select models) Active Autowerke dyno tuned software Complete mounting hardware, plumbing, hoses, and clamps Illustrated installation manual and guide 1 year warranty with technical support Performance Specifications Power: 320 BHP @ 7000 RPM Torque: 260 lb ft @ 5400 RPM Boost Level: 8.0 PSI
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E46 M3 Prima Plus + Supercharger With 600HP Upgrade Kit
E46 M3 Prima Plus + Supercharger With 600HP Upgrade Kit
For SMG Transmissions Only ~ Call in to provide vin before purchase
Active Autowerke - Corporate Logo
T#:50934251
Part#: V12-035S
Ships on Aug 6, 2026
New Item
$ 10,449.00 USD
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$ 10,449.00 USD
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As producer of one of the finest working supercharger systems for the BMW E46 M3, Active Autowerke is proud to introduce the PRIMA PLUS supercharger system capable of exceeding 500 WHP running on pump drawn 93 octane. The PRIMA PLUS is an upgrade kit to the existing PRIMA supercharger system designed to create MORE horsepower.
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PRIMA Supercharger Kit (Non-Intercooled) - E46 M3
PRIMA Supercharger Kit (Non-Intercooled) - E46 M3
For SMG Transmissions Only ~ Call in to provide vin before purchase
For SMG Transmissions Only ~ Call in to provide vin before purchase
Active Autowerke - Corporate Logo
T#:50899202
Part#: 12-021S
Ships on Aug 6, 2026
New Item
$ 8,906.00 USD
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$ 8,906.00 USD
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Co-developed with Frank Smith of TuningTechFS, the Active Autowerke PRIMA Supercharger Kit delivers a proven entry point into forced induction for the E46 M3. The system is engineered around efficiency, repeatability, and upgrade potential, with a baseline configuration that can grow beyond 500 WHP through available Level 1 and Level 2 packages. PRIMA focuses on clean, practical design. This is a fully bolt-on, non intercooled setup that installs without custom fabrication and can be reverted to stock if required. The modular architecture also allows straightforward progression to higher output configurations. As expected from Active Autowerke, the kit enhances overall performance while preserving the sharp throttle response and balanced character of the S54-powered M3. PRIMA Supercharger Kit Key Features Rotrex C38-92 supercharger assembly Active Autowerke GEN 9 intake manifold plenum Active Autowerke dual blow off valve configuration Active Autowerke green performance filter with cover Alpha N calibration with SIMON 4 interface included High capacity fuel injectors Colder heat range spark plugs Dedicated self contained oil cooling circuit Pre assembled hoses, clamps, and installation hardware Compatible with Level 1 and Level 2 upgrade paths Baseline Dynojet Results Boost: 5.8 PSI Stock Power: 285.4 WHP @ 7500 RPM Stock Torque: 232.36 lb ft @ 5250 RPM Supercharged Power: 426.69 WHP @ 8150 RPM Supercharged Torque: 297.99 lb ft @ 7200 RPM
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Supercharger Kit Level 1 - E46 330 2003+
Supercharger Kit Level 1 - E46 330 2003+
For model years 2003+ ~ Call in to provide vin before purchase
For model years 2003+ ~ Call in to provide vin before purchase
Active Autowerke - Corporate Logo
T#:50899201
Part#: 12-016M45
Ships on Aug 6, 2026
New Item
$ 9,856.00 USD
Free Shipping
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$ 9,856.00 USD
Free Shipping
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Add proven forced induction performance to your E46 330i with the Active Autowerke Supercharger Kit. Designed to deliver a significant horsepower increase without sacrificing daily usability, this system operates safely on 91 to 93 octane pump fuel and integrates directly with the factory ECU. Active Autowerke’s dyno developed calibration manages ignition timing, fueling, VANOS function, and rev limits through the stock DME for consistent, predictable results. Power delivery remains smooth and repeatable with OEM like drivability, and the system can be returned to stock configuration if needed. The included self contained oil cooling circuit keeps installation straightforward without modifying the factory oil system. For E46 owners seeking a complete, well engineered bolt on solution, this kit offers substantial, reliable gains. Key Features Rotrex C38-81 trim supercharger 8 PSI boost pressure CNC machined supercharger bracket with hardware Self contained oil system with front mount oil cooler Six higher flow fuel injectors Active Autowerke/Bosch bypass valve High temperature silicone hoses with stainless clamps Mandrel bent aluminum tubing for improved flow Active Autowerke performance air filter (K&N on select models) Active Autowerke dyno tuned software Complete mounting hardware, plumbing, hoses, and clamps Illustrated installation manual and guide 1 year warranty with technical support Performance Specifications Power: 320 BHP @ 7000 RPM Torque: 260 lb ft @ 5400 RPM Boost Level: 8.0 PSI
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