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BMW Engine Parts for BMW E21 320i M10 1.8L

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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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Timing Chain Guide Rail Tensioner

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T#:26305063

Part#: 11311262273

Ships on Aug 14, 2026

Sale - Save 20% $ 43.99

This product was last offered at the strikethrough price on
05-03-2026

$ 35.08 USD

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Sale - Save 20%

$ 43.99

This product was last offered at the strikethrough price on
05-03-2026

$ 35.08 USD

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Blue WG38 Gen V Ultra-Gate 38 - 14PSI

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T#:22591972

Part#: TS-0551-1011

In Stock

10% off MSRP $ 430.99

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

$ 387.99 USD

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10% off MSRP

$ 430.99

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

$ 387.99 USD

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The Gen V WG38 Ultra-Gate 38 external wastegate is your cost-effective, high-performance solution. This 38mm external wastegate is meticulously designed for hassle-free bolt-on applications that make use of the 2-bolt flange.

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TurboSmart WG38 Gen V Ultra-Gate 38 - 14PSI - Black

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T#:4921469

Part#: TS-0551-1012

Ships on Jul 24, 2026

10% off MSRP $ 430.99

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

$ 387.99 USD

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10% off MSRP

$ 430.99

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

$ 387.99 USD

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The Turbosmart GenV range is the Highest Flowing Wastegate range in the World. The GenV WG38 UltraGate38 External Wastegate is a Motorsport proven, cost-effective external wastegate. The GenV provides extensive user configuration, world-leading extended thermal performance, fatigue resistance, and best-in-class flow performance for optimum control and longevity. The GenV External Wastegate from Turbosmart was a ground-up rework of a classic and the only feature that rolled over from the Gen4 range was the mounting orientation. CFD optimized and validated in-house for maximum flow and thermal management, the GenV range has more features, options and performance than any other gate like it. A direct fit upgrade to all Gen4 Turbosmart wastegates and feature our unique collar-locking system, variable actuator cap, and base for easy, 360-degree optional routing of reference hoses, optional liquid-cooling provision, 1/8″ NPT reference ports and are provided with the full range of available springs.

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Locking Hex Nut - M6 - Priced Each

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T#:22558959

Part#: 94235A080

In Stock

Sale - Save 62% $ 3.99

This product was last offered at the strikethrough price on
05-03-2026

$ 1.53 USD

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Sale - Save 62%

$ 3.99

This product was last offered at the strikethrough price on
05-03-2026

$ 1.53 USD

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Mini Screw Clamp

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T#:367185

Part#: 21014

In Stock

Sale - Save 26% $ 3.99

This product was last offered at the strikethrough price on
05-02-2026

$ 2.96 USD

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Sale - Save 26%

$ 3.99

This product was last offered at the strikethrough price on
05-02-2026

$ 2.96 USD

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Ideal for low pressure hoses. This hose clamp could be used on many vehicles for many different purposes.

Zinc-Plated Steel M8 Washer - Priced Each

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T#:28171519

Part#: 91166A270-100

In Stock

Sale - Save 59% $ 1.99

This product was last offered at the strikethrough price on
05-03-2026

$ 0.81 USD

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Sale - Save 59%

$ 1.99

This product was last offered at the strikethrough price on
05-03-2026

$ 0.81 USD

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For M8 Screw Size, 8.4 mm ID, 16 mm OD

Rubber O-Ring - Bremmen Parts

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T#:22525960

Part#: 11531435808

In Stock

Sale - Save 20% $ 2.03

This product was last offered at the strikethrough price on
05-03-2026

$ 1.62 USD

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Sale - Save 20%

$ 2.03

This product was last offered at the strikethrough price on
05-03-2026

$ 1.62 USD

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Useful for fixing leaks on air conditioning, fuel, and vacuum systems. Measures 20x3.

02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) ...

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T#:47439371

Part#: 02SB1815

Ships on Feb 5, 2027

Sale - Save 39% $ 3.99

This product was last offered at the strikethrough price on
05-03-2026

$ 2.44 USD

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Sale - Save 39%

$ 3.99

This product was last offered at the strikethrough price on
05-03-2026

$ 2.44 USD

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Easily add an oxygen sensor to your custom exhaust setup with this universal O2 sensor bung. Designed for simple weld-on installation, it allows you to place your sensor exactly where you need it—perfect for custom builds, exhaust modifications, or performance tuning projects.

Features:

CNC-cut from T304 Stainless Steel for corrosion resistance
Threaded for M18x1.5mm RH oxygen sensors

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