Oxygen Sensor
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Bosch Oxygen Sensor

Part No. 13231 Warranty Details  

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Bosch leads the way in oxygen sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Double laser-welded stainless steel body protects against contamination
  • Seared protection tube due to 100% functional quality test
  • Pre-coated threads with anti-seize compound right out of the box
  • True Direct-fit OE connectors and harness
  • Performance meets or exceeds OE specifications
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Connector Gender:Female
Length:21.3 in
Overall Length:22.5 in
Sensor Type:Heated
Wire Harness Length:19.2 in
Wire Quantity:4


by PowerReviews
BoschOxygen Sensor

(based on 1 review)

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Reviewed by 1 customer

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Good fit


from Tampa Fl

About Me Auto Enthusiast

Verified Buyer


  • Durable
  • Easy To Use


    Best Uses

    • Small Cars

    Comments about Bosch Oxygen Sensor:

    Excellent fit in BMW 325i E30 series. Anti seize compound was already on sensor thread, length of wire was perfect.

    • Was this a gift?:
    • No

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    1 Question | 1 Answer
    Displaying question 1
    • Q:

      I drive a 94 325is. Is this the pre cat or post cat O2 sensor?
      Asked on 4/30/2012 by Willis Montenegro from Marion, IA

      1 answer



        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.

        Answered on 5/3/2012 by Aaron from AAP
    Displaying question 1

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