Thousands of Parts In Stock, Orders Received by 3PM PST Ship Same Day Monday-Friday 9am-4pm PST shop categories Home About Us Payment Shipping Returns Terms & Conditions Contact Us Brand New Oxygen Sensor Downstream O2 For BMW X3 X5 Z4 323i 325i 330xi 328i 330i 525i Click on the Image to Enlarge READ BEFORE PURCHASE READ MORE It is your responsibility to purchase the correct part. Very often there is more than one part available per application as auto makers often switch midyear. eCRATER’s compatibility system does not allow sellers to account for any variations by VIN. If you don’t have the part number, you can get it from any dealership by providing your VIN. This way you can avoid unnecessary hassle and return shipping costs. We provide part numbers and high resolution photos, but if you do not check them we cannot guarantee fitment. It is your responsibility to purchase the correct part. Very often there is more than one part available per application as auto makers often switch midyear. eCRATER’s compatibility system does not allow sellers to account for any variations by VIN. If you don’t have the part number, you can get it from any dealership by providing your VIN. This way you can avoid unnecessary hassle and return shipping costs. We provide part numbers and high resolution photos, but if you do not check them we cannot guarantee fitment. PART INFORMATION Brand New Oxygen Sensor Downstream O2 For BMW X3 X5 Z4 323i 325i 330xi 328i 330i 525i Ensure your emissions system is working properly with this new factory OEM replacement Oxygen Sensor. Vital to your engine, a properly functioning O2 Sensor ensures a more efficient burn and promotes fuel economy. Common symptoms of a failing O2 Sensor include: rough idle loss of power decrease in fuel economy stalling and possible O2 malfunction codes from your onboard diagnostics as indicated by a CEL (check engine light). We highly recommend consulting your local dealer for special installation procedures prior to installation to ensure proper function and preservation of your new Sensor. Comes complete with all components pictured. This part is a direct OEM replacement part. **Check Fitment guide below to ensure proper fitment to your vehicle. Manufacturer: AIP Electronics 100% New Construction High Quality OEM Replacement Part Fit and Quality Guaranteed Necessary to pass any smog test FITMENT GUIDE 1999-2000 BMW 323i 2.5L 2494CC 152Cu. In. l6 GAS DOHC 2002-2003 BMW 325Ci 2.5L 2494CC 152Cu. In. l6 GAS DOHC 2001-2003 BMW 325i 2.5L 2494CC 152Cu. In. l6 GAS DOHC 2002-2005 BMW 325xi 2.5L 2494CC 152Cu. In. l6 GAS DOHC 1999-2000 BMW 328i 2.8L 2793CC l6 GAS DOHC 2001-2003 BMW 330Ci 3.0L 2979CC l6 GAS DOHC 2001-2003 BMW 330i 3.0L 2979CC l6 GAS DOHC 2001-2005 BMW 330xi 3.0L 2979CC l6 GAS DOHC 2001-2003 BMW 525i 2.5L 2494CC 152Cu. In. l6 GAS DOHC 1999-2000 BMW 528i 2.8L 2793CC l6 GAS DOHC 2001-2003 BMW 530i 3.0L 2979CC l6 GAS DOHC 2004-2005 BMW X3 2.5L 2494CC 152Cu. In. l6 GAS DOHC Front 2004-2006 BMW X3 3.0L 2979CC l6 GAS DOHC Located in Front 2001-2006 BMW X5 3.0L 2979CC l6 GAS DOHC 2001-2002 BMW Z3 2.5L 2494CC 152Cu. In. l6 GAS DOHC 2001-2002 BMW Z3 3.0L 2979CC l6 GAS DOHC 1999-2000 BMW Z3 2.8L 2793CC l6 GAS DOHC 2003-2004 BMW Z4 2.5L 2494CC 152Cu. In. l6 GAS DOHC Front 2003-2004 BMW Z4 3.0L 2979CC l6 GAS DOHC Front Part Ref#s: 11781433940 11787513963 MHK000220 2344683 25024392 5S3081 SU5736 ES10857 PART INFORMATION Brand New Oxygen Sensor Downstream O2 For BMW X3 X5 Z4 323i 325i 330xi 328i 330i 525i Ensure your emissions system is working properly with this new factory OEM replacement Oxygen Sensor. Vital to your engine, a properly functioning O2 Sensor ensures a more efficient burn and promotes fuel economy. Common symptoms of a failing O2 Sensor include: rough idle loss of power decrease in fuel economy stalling and possible O2 malfunction codes from your onboard diagnostics as indicated by a CEL (check engine light). We highly recommend consulting your local dealer for special installation procedures prior to installation to ensure proper function and preservation of your new Sensor. Comes complete with all components pictured. This part is a direct OEM replacement part. **Check Fitment guide below to ensure proper fitment to your vehicle. Manufacturer: AIP Electronics 100% New Construction High Quality OEM Replacement Part Fit and Quality Guaranteed Necessary to pass any smog test FITMENT GUIDE 1999-2000 BMW 323i 2.5L 2494CC 152Cu. In. l6 GAS DOHC 2002-2003 BMW 325Ci 2.5L 2494CC 152Cu. In. l6 GAS DOHC 2001-2003 BMW 325i 2.5L 2494CC 152Cu. In. l6 GAS DOHC 2002-2005 BMW 325xi 2.5L 2494CC 152Cu. In. l6 GAS DOHC 1999-2000 BMW 328i 2.8L 2793CC l6 GAS DOHC 2001-2003 BMW 330Ci 3.0L 2979CC l6 GAS DOHC 2001-2003 BMW 330i 3.0L 2979CC l6 GAS DOHC 2001-2005 BMW 330xi 3.0L 2979CC l6 GAS DOHC 2001-2003 BMW 525i 2.5L 2494CC 152Cu. In. l6 GAS DOHC 1999-2000 BMW 528i 2.8L 2793CC l6 GAS DOHC 2001-2003 BMW 530i 3.0L 2979CC l6 GAS DOHC 2004-2005 BMW X3 2.5L 2494CC 152Cu. In. l6 GAS DOHC Front 2004-2006 BMW X3 3.0L 2979CC l6 GAS DOHC Located in Front 2001-2006 BMW X5 3.0L 2979CC l6 GAS DOHC 2001-2002 BMW Z3 2.5L 2494CC 152Cu. In. l6 GAS DOHC 2001-2002 BMW Z3 3.0L 2979CC l6 GAS DOHC 1999-2000 BMW Z3 2.8L 2793CC l6 GAS DOHC 2003-2004 BMW Z4 2.5L 2494CC 152Cu. In. l6 GAS DOHC Front 2003-2004 BMW Z4 3.0L 2979CC l6 GAS DOHC Front Part Ref#s: 11781433940 11787513963 MHK000220 2344683 25024392 5S3081 SU5736 ES10857 Home About Us Payment Shipping Returns Terms & Conditions Contact Us © 2018 AIP Electronics. All Rights Reserved.