Lambda sensor, oxygen sensor for BMW 3 E21 1975–1984

• Verified fitThe part manufacturer lists this vehicle directly.
• Confirmed by catalog dataThis part is a confirmed cross-reference of a part listed for this vehicle.
• Likely fit — via analogsLinked through an unconfirmed analog — check with the seller before ordering.

Fitment is estimated from vehicle generation data, not a VIN check. Always confirm compatibility with the seller before ordering.

• NGKOZA734EE1Likely fit — via analogs39 analogue(s) in the listLambda sensor, oxygen sensor≈ 254–423 NOKestimate from 25 sources · 08/12/2026
• Ashika43N08Likely fit — via analogs39 analogue(s) in the listLambda sensor, oxygen sensor≈ 198–408 NOKestimate from 25 sources · 08/12/2026
• NGK91157Likely fit — via analogs39 analogue(s) in the listLambda sensor, oxygen sensor≈ 231–316 NOKestimate from 24 sources · 08/12/2026
• NGK1951Likely fit — via analogs39 analogue(s) in the listLambda sensor, oxygen sensor≈ 285–441 NOKestimate from 25 sources · 08/12/2026
• Walker2502124Likely fit — via analogs39 analogue(s) in the listLambda sensor, oxygen sensor≈ 273–434 NOKestimate from 25 sources · 08/12/2026
• FAE77100Likely fit — via analogs39 analogue(s) in the listLambda sensor, oxygen sensor≈ 274–438 NOKestimate from 25 sources · 08/12/2026
• NTK0121Likely fit — via analogs39 analogue(s) in the listLambda sensor, oxygen sensor≈ 237–402 NOKestimate from 24 sources · 08/12/2026
• BOSCH0258001051Likely fit — via analogs39 analogue(s) in the listLambda sensor, oxygen sensorno price data yet