Description:

MANUFACTURER: AIP Electronics. Compatible with 1999-2005 BMW X3 X5 Z4 323i 325i 330xi 328i 330i 525i 2.5L 2.8L 3.0L I6 Part Note: Downstream **Be Sure to Check for Correct Fitment Using the Chart Above. Don't See a Chart? Message us for help.. FEATURES: Direct connect OE harness connection, Weatherproof connector, Tested and ensured to match OE output voltage signal and response rate for accurate emission readings, specially engineered for reliability and protection from corrosion and other exhaust/environment contaminants, premium grade materials for ultimate protection from high heat exposure. Comes exactly as pictured.. DIRECT Factory Fit and Ready for Installation Straight Out of The Box. EASY DIY Plug and Play Install. Perfect for any professional or weekend mechanic. (O2 Sensor Removal Tool Recommended).