Specifications:

  • Direct Fit
    • Correct Connector No cutting or splicing
    • Correct wire length (29.6 inches)
  • Downstream Sensor
    • as listed per application
  • 4 wire configuration
  • Built and tested to strict quality control standards

Note: For clarification purposes:

  • Upstream location is between the catalytic converter and the engine
  • Downstream location is between the catalytic converter and the tailpipe

If you have a bad O2 sensor causing your vehicle to run poorly or fail an emission test then this is the part for you.

Returns Note:

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed.

Note:  You may be required to reset the vehicle’s computer after installation of this part.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Identifying your Oxygen Sensors (0:57)
    • Upstream oxygen sensors are located in between the engine and the catalytic converter
    • Downstream oxygen sensors are located in the catalytic converter or farther away from the engine than the catalytic converter
    • Locate your vehicle's firing order diagram
    • The bank that contains cylinder one is bank one
    • The bank that does not contain cylinder one is bank two, even if it does not contain cylinder two

Tools needed for replacement:

    1A - No Tools Needed

  • No Tools Needed

5.0 / 5.0
1 Review
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I save hundreds of dollars ,replacing by my self, thank you .
March 12, 2018
Purchased
5 months ago
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Vehicle Fit

Year Make Model Description
1996-1998BMW 318i BMW 318i Downstream O2 Oxygen Sensor
1996-1997BMW 318iC BMW 318iC Downstream O2 Oxygen Sensor
1996-1997BMW 318iS BMW 318iS Downstream O2 Oxygen Sensor
1996-1999BMW 318ti BMW 318ti Downstream O2 Oxygen Sensor
2001-2002BMW 325Ci BMW 325Ci Downstream O2 Oxygen Sensor
2003BMW 325Ci BMW 325Ci (Built Before 3/03 Production Date) Downstream O2 Oxygen Sensor
2001-2005BMW 325Xi BMW 325Xi Downstream O2 Oxygen Sensor
2001-2002BMW 325i BMW 325i Downstream O2 Oxygen Sensor
2003BMW 325i BMW 325i (Built Before 3/03 Production Date) Downstream O2 Oxygen Sensor
1999-2000BMW 328i BMW 328i Downstream O2 Oxygen Sensor
1999BMW 328iC BMW 328iC Downstream O2 Oxygen Sensor
2001-2002BMW 330Ci BMW 330Ci Downstream O2 Oxygen Sensor
2001-2005BMW 330Xi BMW 330Xi Downstream O2 Oxygen Sensor
2001-2002BMW 330i BMW 330i Downstream O2 Oxygen Sensor
2003BMW 330i BMW 330i (Built Before 3/03 Production Date) Downstream O2 Oxygen Sensor
2001-2003BMW 525i BMW 525i Downstream O2 Oxygen Sensor
1999-2000BMW 528i BMW 528i Downstream O2 Oxygen Sensor
1999-2000BMW 528iT BMW 528iT Downstream O2 Oxygen Sensor
2001-2003BMW 530i BMW 530i Downstream O2 Oxygen Sensor
1995-2001BMW 750iL BMW 750iL Downstream O2 Oxygen Sensor
2004-2005BMW X3 BMW X3 L6 2.5L Downstream O2 Oxygen Sensor
2004-2006BMW X3 BMW X3 L6 3.0L Manual Transmission Downstream O2 Oxygen Sensor
2000-2003BMW X5 BMW X5 V8 4.4L Downstream O2 Oxygen Sensor
2001-2006BMW X5 BMW X5 L6 3.0L Downstream O2 Oxygen Sensor
2002-2003BMW X5 BMW X5 V8 4.6L Downstream O2 Oxygen Sensor
1999-2002BMW Z3 BMW Z3 L6 2.5L Downstream O2 Oxygen Sensor
1999-2000BMW Z3 BMW Z3 L6 2.8L Downstream O2 Oxygen Sensor
2003-2005BMW Z4 BMW Z4 L6 3.0L Downstream O2 Oxygen Sensor
2003-2005Land Rover Range Rover Land Rover Range Rover Downstream O2 Oxygen Sensor

This part replaces:

  • OE # 11781739847
Part #: 1AEOS00169


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(03:08 min)