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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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Primer Loctite 770

T#:56724745

Part#: 83195B683D4

In Stock

3% off MSRP $ 35.99

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

$ 34.99 USD

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3% off MSRP

$ 35.99

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

$ 34.99 USD

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Proper surface preparation is vital when securing engine seals, oil pan gaskets, or plastic components on your BMW. Genuine BMW sourced Loctite 770 Surface Primer, designed to treat low-energy plastic and rubber elastomeric surfaces before applying bonding agents. Using this factory recommended primer ensures engine seals stay firmly positioned during assembly and holds up under rigorous engine bay heat and vibrations.

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

T#:54388428

Part#: H240

Ships on Dec 1, 2026

$ 21.99 USD

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$ 21.99 USD

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Hydraulic Alternator Belt Tensioner Assembly

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

T#:55030822

Part#: 11287838797

In Stock

Sale - Save 20% $ 59.99

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

$ 47.99 USD

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Sale - Save 20%

$ 59.99

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

$ 47.99 USD

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Rein M52 M54 Power Steering Pump Pulley - PKP0124 - E36, E46, E39, E5...

2X Entries Into Our F80 M3 Sweepstakes

T#:53750207

Part#: PKP0124

In Stock

$ 41.99 USD

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$ 41.99 USD

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Upgrade the Plastic Pulley in Your BMW with an All Aluminum Construction Replacement from Rein

Genuine BMW Hollow Bolt & Crush Washer Kit - 071199xKT - E21, E46, E9...

T#:55245837

Part#: 071199XKT

In Stock

$ 23.79 USD

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$ 23.79 USD

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This Genuine BMW hollow banjo bolt and crush washer kit from Turner Motorsport delivers the uncompromised reliability your BMW demands.

Genuine BMW Camshaft Position Sensor Connector Repair Kit

T#:58052445

Part#: 12527507526KT2

In Stock

$ 25.18 USD

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$ 25.18 USD

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Shifter Rebuild Hardware Kit

T#:55209882

Part#: 07119905KT

In Stock

$ 6.00 USD

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$ 6.00 USD

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Genuine BMW Dipstick Tube Sealing Kit - 1143dtsKT - E46, E34, E39, E3...

T#:55317660

Part#: 1143DTSKT

In Stock

$ 16.08 USD

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$ 16.08 USD

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Keep your BMW's engine bay dry and your crankcase pressure sealed properly with this Genuine BMW lower dipstick tube sealing kit.

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

T#:54851984

Part#: 12317541694

Ships in 2 Business Days

$ 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 8, 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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Rein Washer 8.40x16x1.6 - 07119900052 - 3, 5, 6, 7, 8 Series, 1502-20...

2X Entries Into Our F80 M3 Sweepstakes

T#:60102635

Part#: 07119900052

Ships in 4 Business Days

$ 1.99 USD

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$ 1.99 USD

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Genuine BMW Hardware & Seal Replacement Kit - 171x996KT - E46, E9x, E...

T#:55245848

Part#: 171X996KT

Ships in 1-2 days

$ 22.39 USD

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$ 22.39 USD

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Turner Motorsport is proud to offer this complete, factory-correct hardware and seal replacement kit compiled directly from Genuine BMW components.

Wire Pinning Kit - MLK 1.2 Female Jack

T#:55281746

Part#: 125275WRKT

Ships in 1-2 days

$ 37.40 USD

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$ 37.40 USD

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This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.

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

T#:58965212

Part#: 0124.525.561

Ships on Dec 8, 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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Temperature Sensor Wiring Repair Kit

T#:59038384

Part#: 10171

Ships on Dec 8, 2026

$ 32.99 USD

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$ 32.99 USD

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SenCom's repair kit restores it with a 2-wire, 200mm pigtail of silicone-insulated copper-tin wire.

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

T#:58965210

Part#: 0124.515.052

Ships on Dec 8, 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 8, 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.

Starter Motor

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

T#:55030826

Part#: 12412354693

Ships on Dec 15, 2026

Sale - Save 10% $ 129.99

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

$ 116.99 USD

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Sale - Save 10%

$ 129.99

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

$ 116.99 USD

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Oxygen Sensor - Front Or Rear Manifold

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

T#:56797107

Part#: 11787523434

Ships on Dec 15, 2026

Sale - Save 30% $ 119.99

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

$ 83.99 USD

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Sale - Save 30%

$ 119.99

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

$ 83.99 USD

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Valve Cover Gasket Set

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

T#:57267777

Part#: 11120030496

Ships on Dec 15, 2026

Sale - Save 30% $ 29.99

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

$ 20.99 USD

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Sale - Save 30%

$ 29.99

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

$ 20.99 USD

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Water Pump Pulley

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

T#:58782363

Part#: 11511436590

Ships on Feb 1, 2027

Sale - Save 20% $ 35.99

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

$ 28.79 USD

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Qty

Sale - Save 20%

$ 35.99

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

$ 28.79 USD

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