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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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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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Active Autowerke Rotrex Traction Fluid - 1 Liter

T#:57616348

Part#: RTF-1L

Ships in 3 Business Days

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

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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

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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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E46 M3 Heavy Duty Aluminum Expansion Tank Kit & Performance Ignition ...

Our Doorbuster deals are in limited supply at these prices. Get yours while they're in stock! Can't find the perfect bundle? Call or chat with us to build a custom one. 10X Entries For Our Spin To Win Sweepstakes!

T#:59954889

Part#: 008682LAKT

In Stock

Sale - Save 28% $ 902.52

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

$ 649.00 USD

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Sale - Save 28%

$ 902.52

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

$ 649.00 USD

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The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind & everything needed for a performance ignition service including NGK spark plugs and Turner ignition coils!

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Locking Hex Nut - M6 - Priced Each

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

T#:22558959

Part#: 94235A080

In Stock

$ 1.53 USD

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$ 1.53 USD

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BMW | Screw

T#:57231520

Part#: 07119901299

In Stock

$ 2.99 USD

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$ 2.99 USD

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M8x16

Radium - Split-Flow Flex Fuel Sensor Adapter

T#:53290958

Part#: 20-0589

In Stock at Vendor

5% off MSRP $ 99.99

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

$ 94.99 USD

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5% off MSRP

$ 99.99

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

$ 94.99 USD

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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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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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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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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 10, 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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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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