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Lambda sensor for the BMW 3 E46 with the M54 B22 engine, OEM codes 09330402 and 1040046475. This oxygen sensor monitors exhaust gas composition and feeds data to the engine control unit to optimize fuel mixture and emissions. Removed from a donor vehicle; verify the OEM codes and connector type against your original unit before ordering to ensure correct fitment.
Lambda sensor for the BMW 3 E46 with the M54 B22 engine, OEM codes 09330402 and 1040046475. This oxygen sensor monitors exhaust gas composition and feeds data to the engine control unit to optimize fuel mixture and emissions. Removed from a donor vehicle; verify the OEM codes and connector type against your original unit before ordering to ensure correct fitment.
