B1S1 OE Equivalent Design
B2S1 OE Equivalent Design
B2S1 OE Equivalent Design
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
B2S1 OE Equivalent Design
Browse our selection of quality air / fuel ratio sensor parts designed specifically for your BMW 550i. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Active Dynamic · Base · Formula 1 · Luxury · M Sport · Top
Sedan
V8 4.4L · V8 4.8L
Automatic · Manual