Bosch 15167 OEM Oxygen Sensor – Downstream For BMW 550i, 650i, X5, Z4 & Alpina – 4-Wire Direct Fit

Check engine light on?

This Bosch 15167 oxygen sensor is the real deal—direct fit for a bunch of BMWs, including 550i, 650i, 750i, X5, X6, Z4, and even Alpina B7/B6 models.

It's the downstream sensor (after catalytic converter), 4-wire type, with a 22-inch wire length.

Replaces 15109, 2344672, and others.

Bosch is OEM quality, so you know it's right.

Brand new, 3-month warranty.

If your BMW is throwing O2 codes, this sensor will sort it out.

Direct fit, plug it in, and clear those codes.