For vehicles with the N20 or N26 engine. Fits BMW F10, F15, F30, F32, and F36 chassis.
Condition: Excellent (A)
For vehicles with the N55B30A engine. Fits BMW E82, E88, E90, F10, F32, and X3 chassis.
Condition: Excellent (A)
Includes both sides. For vehicles with the N20B20O0 engine. Fits BMW F25 chassis.
Condition: Excellent (A)
For vehicles with the N20 or N26 engine and automatic transmission. Fits BMW F10, F15, F30, F32, and F36 chassis.
Condition: Excellent (A)
Mileage: 172,400 miles
This is a set of oxygen sensors for vehicles with the N20B20A engine. Fits BMW F25 chassis.
Condition: Excellent (A)
This is a pair of catalytic oxygen sensors. They measure 540mm in length. For vehicles with the N20 or N26 engine. Fits BMW F10, F25, F30, F32, and F36 chassis.
Condition: Excellent (A)
Mileage: 89,200 miles
This is a set of oxygen sensors for vehicles with the B46 engine. Fits BMW F39 and F48 chassis.
Condition: Excellent (A)
Mileage: 90,500 miles
Condition: Excellent (A)
Mileage: 40,000 miles
Condition: Excellent (A)
Mileage: 11,000 miles
B1S2
Condition: Excellent (A)
Mileage: 59,600 miles
Condition: Excellent (A)
Mileage: 59,600 miles
It is the lower lambda sensor.
Condition: Excellent (A)
Mileage: 31,600 miles
Condition: Excellent (A)
Mileage: 13,400 miles
Condition: Excellent (A)
Mileage: 72,000 miles
It is for vehicles with the B46 or B48 engine. This part will not fit F44 chassis vehicles. Fits BMW F39 chassis.
Condition: Excellent (A)
Mileage: 44,500 miles
B1S2
After catalyst in exhaust pipe
This is a rear lower lambda oxygen sensor for the emission system.
Condition: Excellent (A)
Mileage: 48,700 miles
Condition: Excellent (A)
Mileage: 48,400 miles
It is for the lower position.
Condition: Excellent (A)
Mileage: 69,500 miles
Before catalyst in exhaust pipe
B1S2
Cyls. 1-3 B1S2 OE Equivalent Design
B1S2
Condition: Excellent (A)
Mileage: 10,000 miles
B1S2
Grade: Aftermarket With OE No. 11787589122
Cyls. 4-6 B2S2 OE Equivalent Design
This is a set of catalytic oxygen (O2) sensors. For vehicles with the N20B20O0 engine. Fits BMW F10 chassis.
Condition: Excellent (A)
B1S1
B1S2
B1S2
O.E. Quality Direct Fit Replacement Sensor
Condition: Excellent (A)
Mileage: 67,000 miles
Condition: Excellent (A)
Mileage: 66,000 miles
B1S1
O.E. Quality Direct Fit Replacement Sensor
B1S1
B1S2
B1S2 OE Equivalent Design
B1S2 OE Equivalent Design
B1S1
O.E. Quality Direct Fit Replacement Sensor
Condition: Excellent (A)
Mileage: 4,000 miles
Condition: Excellent (A)
Mileage: 13,000 miles
B1S2 OE Equivalent Design
Condition: Excellent (A)
Mileage: 13,000 miles
Condition: Good (B)
Mileage: 88,100 miles
Browse our selection of quality oxygen sensor parts designed specifically for your BMW X1. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
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