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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW Z Series E85/6 (2003-2008)

Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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Bav Auto Oxygen Sensor Tool - Angled Handle - 7/8"

10X Entries Into Our F80 M3 Sweepstakes

T#:580382

Part#: B8800066

Ships on Sep 30, 2026

Sale - Save 25% $ 49.99

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

$ 37.49 USD

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Sale - Save 25%

$ 49.99

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

$ 37.49 USD

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Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. Fits all Oxygen sensors with 7/8in (22mm) hex.

Bav Auto Extra Long Oxygen Sensor Tool - 1/2" Drive, 7/8" x 6" ...

10X Entries Into Our F80 M3 Sweepstakes

T#:580383

Part#: B8800067

Ships on Sep 30, 2026

Sale - Save 20% $ 29.99

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

$ 23.99 USD

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Sale - Save 20%

$ 29.99

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

$ 23.99 USD

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This 1/2" Drive, 7/8" x 6" Extra Long O2 sensor tool is used to remove difficult to reach oxygen sensors.

Section 1 Rasp Terminator With Crossover - E46 M3

T#:599413

Part#: 1004539

Ships on Sep 29, 2026

$ 590.00 USD

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$ 590.00 USD

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Rasp Terminator for the E46 M3 (also for MZ3 and Z4M) is a tuned front section that: Greatly reduce rasp from the S54 engine Balance exhaust pressure for each bank with H-pipe crossover The S54 rasp is excessive and tuning it out requires the right combination of resonators, placement, and tubing size. CPI designed their own section 1 after other designs on the market fell short. Rasp is reduced by approximately 80% on a M3 equipped with aftermarket headers. The latest RTX incorporates an H-pipe crossover that equalizes exhaust pressures in both banks before they merge for section 2. This reduces turbulence and improves exhaust flow. While not designed to gain power and torque, dyno testing showed slight gains with this system. Fitment has also been improved for better ground clearance. Tubing is a full 2.36" (60mm) and 304 stainless steel throughout. It will bolt on to most headers and to any section 2 that uses the factory-style flanges.

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Bav Auto Exhaust Doughnut Stretcher

10X Entries Into Our F80 M3 Sweepstakes

T#:580373

Part#: B8800051

In Stock

Sale - Save 25% $ 20.99

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

$ 15.74 USD

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Qty

Sale - Save 25%

$ 20.99

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

$ 15.74 USD

Add to Wish List

This tool is not vehicle specific and is a universal tool that may or may not work on all applications. This exhaust doughnut stretcher features an offset J-hook to grab onto the rubber rings used to mount most BMW exhaust systems. Features a large coated handle for a comfortable grip.

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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW Z Series E85/6 (2003-2008)

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Bav Auto Oxygen Sensor Tool - Angled Handle - 7/8"

Bav Auto Extra Long Oxygen Sensor Tool - 1/2" Drive, 7/8" x 6" ...

Section 1 Rasp Terminator With Crossover - E46 M3

Bav Auto Exhaust Doughnut Stretcher

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