Shop BMW M6 Oxygen Sensor (Rear, Lower). Lower, 3.2 liter. M3; 1075 MM. Z3; 3.2L; 1075 MM. Z4; Cyl 1-3 EMISSION, Liter, Make - OEM BMW Part # 11781406621 (11-78-1-406-621)

Oxygen. Sensor. Ft. Snsr.
Cylinder 1,2,3. For Cyl.1,2,3. Oxygen Sensor.

Oxygen Sensor

Fits M3, Z3, Z4

Lower, 3.2 liter. M3; 1075 MM. Z3; 3.2L; 1075 MM. Z4; Cyl 1-3; Rear; 3.2L.
Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.