Kwiksen Heated Universal O2 Oxygen Sensor Replacement for 1995-2005 BMW 323i 325i 328i 330i 525i 540i 750iL Z3 M5 13477 234-4672 CONTACT US via Amazon Messaging with any fitment issues or check this item description before you placing orders will help to purchase the correct product Guaranteed Direct Fit For Easy Installation and Great Performance at a Low Price Improved protection tube and increased thermal resistance prevents premature sensor failure and long warranty This is Brand New & High Quality Aftermarket Product service with Laser weld and Viton sealing system,Meet the professtional specification as OEM parts, for stable performance & durable US Based Company,You are buying directly from the MANUFACTUER!100% Satisfaction Guranteed! Service for 48 continental states, you will get them in 3-5 working days.