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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Burger Motorsports - Corporate Logo
T#:26404907
Part#: 12MMSPG
In Stock
$ 35.00 USD
Free Shipping on orders $49 and up

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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OEM Starter Motor - E46 M3 2001-2006
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:2988
Part#: 12417835735
Ships in 1 Business Day
$ 389.99 USD
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$ 389.99 USD
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This is the starter motor for BMW E46 M3 2001-2006 is an OEM Valeo unit.

This item fits the following BMWs:
2001-2006 E46 BMW M3. M3 Convertible
2001-2002 Z3 BMW Z3 M Roadster Z3 M Coupe
2005-2008 E85 BMW Z4 M Roadster Z4 M Coupe
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Ferrea - Corporate Logo
T#:583445
Part#: F1550P
Back Ordered
$ 34.99

This product was last offered at the strikethrough price on
11-04-2026

$ 31.99 USD
Free Shipping on orders $49 and up
$ 31.99 USD
Free Shipping on orders $49 and up

E46 M3, MZ3 S54 OEM Valeo Alternator (New)
We Price Match - Give Us A Call or Chat!
Valeo - Corporate Logo
T#:377735
Part#: 12317831436
In Stock at Vendor
$ 522.00

This product was last offered at the strikethrough price on
07-16-2026

$ 473.99 USD
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$ 473.99 USD
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The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies.

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Performance Tool - Corporate Logo
T#:1809147
Part#: W5202
In Stock at Vendor
$ 21.99 USD
Free Shipping on orders $49 and up
Nitrile Butadiene Rubber
Performance Tool - Corporate Logo
T#:1809130
Part#: W89409
Ships in 1 Business Day
$ 126.99 USD
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$ 126.99 USD
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For servicing overhead valve engine with cylinder head removed.

Burger Motorsports - Corporate Logo
T#:583132
Part#: BMSBSPGT14MM
Ships in 7 Business Days
$ 35.00 USD
Free Shipping on orders $49 and up

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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Ferrea - Corporate Logo
T#:583444
Part#: F1552P
Ships on Dec 1, 2026
$ 34.99

This product was last offered at the strikethrough price on
11-04-2026

$ 31.99 USD
Free Shipping on orders $49 and up
$ 31.99 USD
Free Shipping on orders $49 and up

Performance Tool - Corporate Logo
T#:2242223
Part#: W80573
Ships in 1 Business Day
$ 22.99 USD
Free Shipping on orders $49 and up
Use to install pistons on most passenger cars and truck engines

Mahle Motorsports - Corporate Logo
T#:2929003
Part#: 930000045
Back Ordered
$ 1,088.99

This product was last offered at the strikethrough price on
11-04-2026

$ 1,075.99 USD
Free Shipping
$ 1,075.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Performance Tool - Corporate Logo
T#:2242226
Part#: W80533
Ships in 1 Business Day
$ 20.25 USD
Free Shipping on orders $49 and up
Extended socket length reaches confined areas.
Mahle Motorsports - Corporate Logo
T#:2928980
Part#: 197843112
In Stock at Vendor
$ 1,004.99 USD
Free Shipping
$ 1,004.99 USD
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Forged 4032. Get the performance and reliability your M54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Autel - Corporate Logo
T#:2914116
Part#: AL329
Ships in 1 Business Day
$ 49.99 USD
Free Shipping on orders $49 and up
OBDII Code Reader
Hitachi - Corporate Logo
T#:48850072
Part#: 12147539165
In Stock
$ 41.99 USD
Free Shipping on orders $49 and up
$ 41.99 USD
Free Shipping on orders $49 and up
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 drivabilty issues. Uses O-ring # 12 141 748 398 (not included)
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Active Autowerke - Corporate Logo
T#:57616348
Part#: RTF-1L
Ships in 3 Business Days
New Item
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
Free Shipping
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
Free Shipping
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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Mahle Motorsports - Corporate Logo
T#:2958764
Part#: 930286125
Back Ordered
$ 1,088.99

This product was last offered at the strikethrough price on
11-04-2026

$ 1,075.99 USD
Free Shipping
$ 1,075.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Active Autowerke - S54 Supercharger Kit (Level 1) - E46 M3 (Manual Tr...
For vehicles with 6 speed transmissions
For vehicles with 6 speed transmissions
Active Autowerke - Corporate Logo
T#:397296
Part#: 12-023
Ships in 10 Business Days
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
Free Shipping
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
Free Shipping

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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Performance Tool - Corporate Logo
T#:2242222
Part#: W80572
Ships in 1 Business Day
$ 21.99 USD
Free Shipping on orders $49 and up
Use to install pistons on most passenger cars and truck engines

Mahle Motorsports - Corporate Logo
T#:2928979
Part#: 197843112T
In Stock at Vendor
$ 1,103.99

This product was last offered at the strikethrough price on
11-04-2026

$ 1,004.99 USD
Free Shipping on orders $49 and up
$ 1,004.99 USD
Free Shipping on orders $49 and up
Forged 4032. Get the performance and reliability your M54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Mahle Motorsports - Corporate Logo
T#:2958763
Part#: 930286125T
Special Order: No Guaranteed ETA
$ 1,271.99 USD
Free Shipping
$ 1,271.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Mahle Motorsports - Corporate Logo
T#:2958765
Part#: 930286135T
Special Order: No Guaranteed ETA
$ 1,271.99 USD
Free Shipping
$ 1,271.99 USD
Free Shipping
Achieve enhanced performance and reliability for your BMW S54 engine with the MAHLE Motorsports PowerPak Piston Kit. This kit replaces the factory cast aluminum pistons with robust forged pistons, offering superior strength and durability. MAHLE forged pistons are engineered to withstand extreme heat, detonation, and pressure, making them ideal for high-performance engines. MAHLE Motorsport's PowerPak and PowerPak+ piston kits ensure exceptional reliability and performance, elevating your BMW engine build to new heights. The range includes BMW piston sets in 2618, 4032, and M142 alloys, catering to N54, S54, and Mini Cooper models. These piston sets come complete with pins, clips, and rings, designed for both motorsport applications and those seeking to enhance daily driver performance. Notably, the latest addition is the B58 3.0L, featured in the 2020 Toyota Supra. Drawing on over 95 years of performance expertise and employing MAHLE-manufactured machinery for unique features, MAHLE Motorsport ensures uncompromising quality.
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Mahle Motorsports - Corporate Logo
T#:2929008
Part#: 930000145T
Special Order: No Guaranteed ETA
$ 1,271.99 USD
Free Shipping
$ 1,271.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Mahle Motorsports - Corporate Logo
T#:2929005
Part#: 930000135T
Special Order: No Guaranteed ETA
$ 1,271.99 USD
Free Shipping
$ 1,271.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Mahle Motorsports - Corporate Logo
T#:2929004
Part#: 930000045T
Special Order: No Guaranteed ETA
$ 1,271.99 USD
Free Shipping
$ 1,271.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Mahle Motorsports - Corporate Logo
T#:2929007
Part#: 930000145
Special Order: No Guaranteed ETA
$ 1,088.50 USD
Free Shipping on orders $49 and up
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Mahle Motorsports - Corporate Logo
T#:2929006
Part#: 930000135
Ships in 1 Business Day
$ 1,088.99

This product was last offered at the strikethrough price on
11-04-2026

$ 1,075.99 USD
Free Shipping
$ 1,075.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Valeo - Corporate Logo
T#:371896
Part#: 12317501599
Ships on Dec 8, 2026
$ 323.99 USD
Free Shipping
$ 323.99 USD
Free Shipping

The alternator in your vehicle keeps the battery at full charge when your engine is running. Because all of your electronic systems run off of this small piece, it's important that it is operational. If your lights are dim while driving or your battery dies within minutes of starting your car, it's time for a new alternator.

This is a NEW alternator from the OEM manufacturer, Valeo. No core charge applies. Valeo is an OEM manufacturer for many BMW alternators - save money by buying the same alternator in a different box!

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Mahle Motorsports - Corporate Logo
T#:2958767
Part#: 930286145
Ships on Dec 1, 2026
$ 1,088.99

This product was last offered at the strikethrough price on
11-04-2026

$ 1,075.99 USD
Free Shipping
$ 1,075.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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Performance Tool - Corporate Logo
T#:641935
Part#: WLMW5203
In Stock
$ 19.99 USD
Free Shipping on orders $49 and up
Many uses around the garage and home
Performance Tool - Corporate Logo
T#:1855998
Part#: W80535
Ships in 1-2 days
$ 1.99

This product was last offered at the strikethrough price on
08-26-2026

$ 1.54 USD
Free Shipping on orders $49 and up
$ 1.54 USD
Free Shipping on orders $49 and up
Easy to read markings to set gaps quickly and easily.

Performance Tool - Corporate Logo
T#:1855974
Part#: W942
In Stock
$ 8.99 USD
Free Shipping on orders $49 and up
Includes straight, angled and combination picks
Performance Tool - Corporate Logo
T#:1809133
Part#: W80575
Ships in 1 Business Day
$ 17.62 USD
Free Shipping on orders $49 and up
Comfortable vinyl grip handles.

Active Autowerke - Corporate Logo
T#:397295
Part#: 12-021
Ships in 10 Business Days
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
Free Shipping
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
Free Shipping

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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Performance Tool - Corporate Logo
T#:1809138
Part#: W125C
Ships in 1 Business Day
$ 9.99 USD
Free Shipping on orders $49 and up
Thickness Gauge (32 Blades)
Active Autowerke - Corporate Logo
T#:397299
Part#: 12-022
Ships in 10 Business Days
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
Free Shipping
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
Free Shipping
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 - Corporate Logo
T#:340093
Part#: AASC-E46M3
Back Ordered
Starting at $ 7,995.00 USD
Starting at $ 7,995.00 USD
Race on Sunday, to sell on Monday. This old saying is indicative of the new Generation 8 supercharger system for the E46 M3. Through countless hours of testing, it has often been quoted that the true test has always been a race environment. What better venue than Brock Yates One Lap of America Race. With a rigorous 7,000 miles to be covered within a week, and to compete against the likes of Porsches, Corvettes, Nissan GTRs, this would be the testing grounds for the new Generation Active Autowerke Supercharger system. The Active Autowerke Generation 8 Supercharger System not only proved its worth by being the highest ranked BMW within the field, but also ranked 1st in its class..

The data and technology that made this winning combination is now being applied in the new Generation 8 of the Active Autowerke supercharged E46 M3 level 1. Reliability and power is needed if you want to be on the podium, and this new Generation 8 will deliver exactly that. Consistent, repeatable runs of over 415 WHP (525 engine horsepower) were also recorded on the Active Autowerke chassis dyno in hot 94 + degree Fahrenheit conditions with humidity in the 60% + range. These run conditions might be considered a deterrent and not really suited, but it is better knowing the horsepower numbers are under such conditions, since higher horsepower numbers will only increase as the temperature falls and the air becomes more dense.

Stage 1 Performance Specs:
Power : 525 BHP @ 7650 rpm
Torque : 335 ft/lbs @ 5400 rpm
Boost Level : 7-8 psi

Key Features:
  • Rotrex 92 Trim Supercharger
  • Active Autowerke Gen 7 Intake Manifold w/ Dual By Pass Valve
  • Front Mount Air to Air Intercooler
  • Turbo like speed with linear power delivery
  • Large Fuel Injectors
  • Supercharger Oil Cooler
  • Colder Heat Range Spark Plugs
  • High Performance AA Spec Green Filter
  • Active Autowerke High Performance Software
  • All Mounting Hardware, plumbing, hoses and clamps
  • Proven Horsepower gains even under extreme conditions
  • Installation Instructions included
  • 2 Year Limited Warranty
    Want even more power? Upgrade to the Stage 2 kit with Larger Intercooler & Fuel System.
    The stage 2 System boosts the S54's power output to over 600BHP and includes an upgraded fuel system (includes two fuel pumps, fuel filter, all new -6 lines, fuel pressure regulator, dead end fuel rail, upgraded injectors and all required fittings). This ugpraded fuel system is a must once reaching these increased boost levels due to the fact that the factory fuel system is simply inadequate at this level. The stage 2 system also use a larger front mount air to air intercooler and the Active Autowerke custom methanol injection system. NOTE: Level 2 supercharger system is designed and engineered to operate in conjunction with the Active Autowerke Water/Methanol system as an integral part of the kit. Reasons to incapacitate, isolate, turn off, or not installing this system can and will void all warranty and related claims associated to the proper function of the specified Active Autowerke supercharger system.

    Stage 2 Performance Specs:
    Power � : � 605 BHP @ 7000 rpm
    Torque � : � 395 ft/lbs @ 5400 rpm
    Boost Level � : � 11-12 psi

    Custom built to order. Please allow 2-3 weeks for delivery.

    This item fits the following BMWs:
    2001-2006 E46 BMW M3, M3 Convertible
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    Performance Tool - Corporate Logo
    T#:1809154
    Part#: W5368
    Ships in 1-3 days
    $ 13.68 USD
    Free Shipping on orders $49 and up
    A must for any toolbox.
    Hitachi - Corporate Logo
    T#:48850055
    Part#: 12147518628
    Ships in 2 Business Days
    $ 71.99 USD
    Free Shipping on orders $49 and up
    The camshaft position sensor is essential for assisting the engine DME by monitoring the camshaft's position. The data from this sensor is key to optimizing ignition timing and ensuring smooth engine performance. Often referred to as the CMP sensor, this component is crucial for the overall functionality of the powertrain. A failing camshaft position sensor can cause a range of issues, including engine stumbling, hesitation during acceleration, power loss, and even starting difficulties or complete failure to start.
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    Autel - Corporate Logo
    T#:2914136
    Part#: MSULTRA
    Ships in 6 Business Days
    $ 12,306.99 USD
    Free Shipping on orders $49 and up
    The MaxiSys Ultra is Autel’s most ambitious diagnostics tablet designed to maximize technician intelligence.

    Hitachi - Corporate Logo
    T#:48815451
    Part#: 12131712219
    Ships in 6 Business Days
    $ 57.99 USD
    Free Shipping on orders $49 and up
    $ 57.99 USD
    Free Shipping on orders $49 and up
    Get your spark back with new ignition coils.

    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 in 10 Business Days
    $ 9,856.00 USD
    Free Shipping
    $ 9,856.00 USD
    Free Shipping
    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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    Hitachi - Corporate Logo
    T#:48850063
    Part#: 12138657273
    Ships in 6 Business Days
    $ 53.99 USD
    Free Shipping on orders $49 and up
    Ignition coils are key to the efficiency and performance of your BMW. With a faulty coil the spark plug is not burning the air/fuel mixture properly and that can lead to problems anywhere in the engine and exhaust (including catalytic converters and O2 sensors). Problems with one or more coils will cause a fault code, but not always a check engine light. A misfire code may be related to an ignition coil, but could be from other things as well. ometimes, a visual inspection of a coil and coil boot will give an indication of a failure. You can also move coils around to different cylinder banks to see if the misfire code follows a suspect coil. We suggest always having one or two coils on hand to keep as spares.
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    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 in 10 Business Days
    $ 10,449.00 USD
    Free Shipping
    $ 10,449.00 USD
    Free Shipping
    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
    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 in 10 Business Days
    $ 9,856.00 USD
    Free Shipping
    $ 9,856.00 USD
    Free Shipping
    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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    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 in 10 Business Days
    $ 8,906.00 USD
    Free Shipping
    $ 8,906.00 USD
    Free Shipping
    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 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 in 10 Business Days
    $ 9,856.00 USD
    Free Shipping
    $ 9,856.00 USD
    Free Shipping
    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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    Black Forest Industries - Corporate Logo
    T#:50934264
    Part#: BFI-BMW-90-01
    Ships on Dec 7, 2026
    $ 199.99 USD
    Free Shipping on orders $49 and up
    Eliminate the "drive-line slop" common in the E36 and E46 chassis with this Stage 1 Engine Mount kit.
    Active Autowerke - Corporate Logo
    T#:401508
    Part#: 12-035
    Ships in 10 Business Days
    $ 8,359.99 USD
    Free Shipping
    $ 8,359.99 USD
    Free Shipping
    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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    Black Forest Industries - Corporate Logo
    T#:50934269
    Part#: BFI-BMW-TRANS-01
    Ships on Dec 7, 2026
    $ 69.99 USD
    Free Shipping on orders $49 and up
    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.
    Mahle Motorsports - Corporate Logo
    T#:2958768
    Part#: 930286145T
    Special Order: No Guaranteed ETA
    $ 1,271.99 USD
    Free Shipping
    $ 1,271.99 USD
    Free Shipping
    Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
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