BMW B46 & MINI F55/F56 O2 Sensor Bung BM-EXH021-02BUNG

Threaded M18 x 1.5 bung for wideband AFR sensors, designed specifically for B46-powered cars: X1 F48, X2 F39, MINI Cooper S F55 and F56.

Welds directly into your downpipe with no cutting or re-routing. Includes a blanking plug so you can fit it now and add your wideband sensor later.

• Made by Evolution Racewerks - TIG-welded, corrosion-resistant steel
• No modifications needed - direct-fit for factory and aftermarket B46 exhausts
• Suitable for fast road, track day or stage 1/2 tuning setups