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|Overall Length:||22.5 in|
|Wire Harness Length:||19.2 in|
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Q:I drive a 94 325is. Is this the pre cat or post cat O2 sensor?
A:Yes, this part Bosch Premium Oxygen Sensor, Part No. 13231 manufactured by Bosch fits your 1994 BMW 325is. This is a Narrow-Band Heated Type Oxygen Sensor. It should be pre cat (Upstream) Oxygen Sensor for your vehicle.