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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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Morimoto Standalone Can-Bus Wiring Harness - H4 / 9003 - Priced Each ...

T#:54388428

Part#: H240

Ships in 4 Business Days

$ 21.99 USD

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$ 21.99 USD

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Meyle Exhaust Camshaft Position Sensor - BMW S54 S62

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T#:55497462

Part#: 3148000038

In Stock

$ 27.99

This product was last offered at the strikethrough price on
09-14-2026

$ 25.99 USD

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$ 25.99 USD

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Don't let a failing camshaft position sensor rob your vehicle of power or cut your track day short. This Meyle replacement camshaft sensor is built to deliver fast, highly accurate data to the ECU, preventing the performance drops, sluggish throttle response, and rough idling caused by worn-out factory electronics. Engineered to withstand high underhood heat and intense vibrations, it keeps your ignition timing and fuel delivery tightly synced, whether you are daily driving or pushing through high-RPM pulls.

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Accessory Belt - Air Conditioning Compressor - E46 E39 E53 E83 E85 - ...

For vehicles with production date from 09/2002

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T#:55497436

Part#: 500040863

In Stock

$ 5.99

This product was last offered at the strikethrough price on
09-14-2026

$ 4.99 USD

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$ 4.99 USD

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This belt drives the air conditioning compressor for the AC system. We recommend checking your belts every 10,000 miles. If your belts have excessive cracks, dry rot, missing teeth and/or grooves, are cause noise, it's time for new ones.

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SEG Automotive Alternator - SEG Automotive 0124.525.588 - 12317541694...

T#:54851984

Part#: 12317541694

Ships in 1 Business Day

$ 521.99

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

$ 470.99 USD

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$ 470.99 USD

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SEG Automotive Alternator - SEG Automotive 0124.515.223 - 12317519618...

T#:54851980

Part#: 12317519618

Ships on Dec 7, 2026

$ 503.99

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

$ 500.99 USD

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$ 500.99 USD

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Meyle V-Ribbed Accessory Belt - Alternator/Water Pump/Power Steering ...

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T#:55497412

Part#: 0500061540

Ships on Dec 2, 2026

$ 12.99

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

$ 11.99 USD

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$ 11.99 USD

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This is the main drive belt / serpentine belt 6PK1540 that drives all of the engine auxiliaries, such as the alternator, water pump, and power steering pump. If your belt has excessive cracks, dry rot, missing teeth and/or grooves, or is causing noise, it's time for a new one.

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SEG Automotive New 150A Alternator - 0124.525.561 - E21, E30, E36, E4...

T#:58965212

Part#: 0124.525.561

Ships on Dec 7, 2026

$ 487.99 USD

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$ 487.99 USD

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SEG Automotive, the company behind Bosch's starter motor and generator business, builds this brand-new 150-amp alternator with a freewheel pulley that smooths out belt loads for a quieter, longer-lasting accessory drive.

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SEG Automotive New 120A Alternator - 0124.515.052 - E46, E39 525i 530...

T#:58965210

Part#: 0124.515.052

Ships on Dec 7, 2026

$ 485.99 USD

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$ 485.99 USD

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A strong charging system keeps everything from your ignition to your stereo working at its best, and a failing alternator can undermine all of it.

SEG Automotive New Alternator - 0124.525.523 - E46 325i 325Ci 330Ci, ...

T#:58965213

Part#: 0124.525.523

Ships on Dec 7, 2026

$ 495.99 USD

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$ 495.99 USD

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Your BMW's charging system powers everything from ignition to infotainment, so a weak alternator affects the whole car.

Engine Oil Drain Plug

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T#:54317188

Part#: 455.740

In Stock

$ 8.99 USD

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$ 8.99 USD

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This engine oil drain plug is engineered to original specifications, delivering the perfect thread pitch and sealing performance.

Elring M54 Engine Cylinder Head Gasket Set - 903.340 - E46, E39, E60,...

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T#:54744799

Part#: 903.340

In Stock

$ 287.99

This product was last offered at the strikethrough price on
11-07-2026

$ 256.99 USD

Limited Qty Sale

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$ 287.99

This product was last offered at the strikethrough price on
11-07-2026

$ 256.99 USD

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Keep your ultimate driving machine running at peak performance with this premium upper engine gasket set from Elring.

Elring M54 Engine Cylinder Head Gasket Set - 905.600 - E46, E39 525i ...

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T#:54495223

Part#: 905.600

In Stock

$ 282.99

This product was last offered at the strikethrough price on
11-07-2026

$ 250.99 USD

Limited Qty Sale

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$ 282.99

This product was last offered at the strikethrough price on
11-07-2026

$ 250.99 USD

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This complete kit strips away the guesswork by packaging the critical cylinder head gasket and vital valve stem seals into one part number.

Elring M54 Engine Cylinder Head Gasket Set - 903.350 - E46, E39, E60,...

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T#:54780503

Part#: 903.350

In Stock

$ 277.99

This product was last offered at the strikethrough price on
11-07-2026

$ 248.99 USD

Limited Qty Sale

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$ 277.99

This product was last offered at the strikethrough price on
11-07-2026

$ 248.99 USD

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This comprehensive top-end gasket set provides the components necessary to secure passages and handle the rigorous demands of spirited European driving.

Elring M54 Engine Cylinder Head Gasket Set - 382.800 - E46, E39, E60,...

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T#:54495230

Part#: 382.800

In Stock

$ 240.99

This product was last offered at the strikethrough price on
11-07-2026

$ 214.99 USD

Limited Qty Sale

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$ 240.99

This product was last offered at the strikethrough price on
11-07-2026

$ 214.99 USD

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Provides a precise seal against extreme pressures and temperatures, preventing catastrophic fluid mixing and maintaining optimal combustion efficiency.

Elring Engine Conversion Gasket Set - 11117511529 - E46, E9x, E82, E6...

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T#:54744772

Part#: 11117511529

Ships on Dec 14, 2026

$ 144.99 USD

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$ 144.99 USD

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This Elring Crankcase Gasket Set delivers track-ready reliability for your street or club racing BMW.

Meyle Air Temperature Sensor - 13621739510 - E36, E46, E39, E38, E83,...

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T#:55281743

Part#: 13621739510

Ships on Dec 4, 2026

$ 21.99 USD

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$ 21.99 USD

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Meyle Camshaft Position Sensor - 12147518628 - 3, 5, 6, 7 Series, X3,...

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T#:59991931

Part#: 12147518628

Ships on Dec 4, 2026

$ 33.99 USD

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$ 33.99 USD

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Meyle S54 M3 Crankshaft Speed Sensor - 13627548994 - E46 M3

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T#:59991872

Part#: 13627548994

Ships on Dec 4, 2026

$ 41.99 USD

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$ 41.99 USD

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