BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW E90 M3 S65 4.0L

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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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HJS Exhaust Pipe Hanger - E36, E39, E46, E90, E92, E93, Z4
HJS Exhaust Pipe Hanger - E36, E39, E46, E90, E92, E93, Z4
HJS - Corporate Logo
T#:556847
Part#: 18201401797
In Stock
$ 45.99

This product was last offered at the strikethrough price on
08-19-2026

$ 26.99 USD
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$ 26.99 USD
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Rear muffler hanger
Exhaust Sleeve With Dual Clamps - Priced Each
Exhaust Sleeve With Dual Clamps - Priced Each
HJS - Corporate Logo
T#:2423575
Part#: 1K0253141N
In Stock
$ 27.99

This product was last offered at the strikethrough price on
09-07-2026

$ 24.99 USD
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$ 24.99 USD
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Commonly found between mid-pipe and front muffler. 60x95mm
BMW S54 S65 Gasket Ring - Priced Each
BMW S54 S65 Gasket Ring - Priced Each
HJS - Corporate Logo
T#:594771
Part#: 11627830668
In Stock
$ 9.99 USD
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$ 9.99 USD
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Center Exhaust Hanger - E39, E46, E52, E60, E63, E64, E90, E92, E93, F10, Z4
Center Exhaust Hanger - E39, E46, E52, E60, E63, E64, E90, E92, E93,...
HJS - Corporate Logo
T#:385215
Part#: 18207832991
In Stock
$ 16.99 USD
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$ 16.99 USD
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Located over the center exhaust support
ATP Universal Weld-in O2 Sensor Bung
ATP Universal Weld-in O2 Sensor Bung
ATP - Corporate Logo
T#:367246
Part#: ATP-FLS-022
Ships in 6 Business Days
$ 12.95 USD
Free Shipping on orders $49 and up
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$ 12.95 USD
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Adding an Air Fuel Ratio gauge? Or need to add an O2 sensor? ATP has you covered with their universal weld-in O2 sensor bung.

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