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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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Meyle Exhaust Camshaft Position Sensor - BMW S54 S62

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

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

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

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 ...

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

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.

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

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

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,...

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

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

5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

T#:59991872

Part#: 13627548994

Ships on Dec 4, 2026

$ 41.99 USD

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$ 41.99 USD

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