Upstream & Downstream Oxygen Sensor For Bmw 128I L6 3.0L 13-08 234-5139

Feature: Resolve high fuel consumption, power loss, by replacing your worn-out sensor. Enjoy a smoother drive engine efficiency. This sensor delivers critical oxygen-level data to your car's computer (ECU), enabling it to constantly adjust the air-fuel ratio for maximum fuel efficiency Engineered with a durable body and an anti-corrosion connector to reliably withstand high-temperature. This is a non-OEM product, accessory only! Specification: Material: Metal + Plastic Installation Position: Upstream & Downstream OE Number: 234-5139/11787557756/0258017098/0035427218/5S9800/17098/17020/17117 OS2497/753813/753795/SU11253/2345139/2133936/24322/REA2011/SG1660/234-4876,213-4355,15167,16790,16795,16977,75-3716,75-3757,75-4122,75-4130,ES20368,ES20418,25614,25676 Fitment: for BMW 128I L6 3.0L Cylinder 1,2,3 2013-2008 for BMW 135I L6 3.0L Cylinder 1,2,3 2010-2008 for BMW 323I L6 2.5L Cylinder 1,2,3 2011-2010 for BMW 328I L6 3.0L Cylinder 1,2,3 2013-2007 for BMW 328XI L6 3.0L Cylinder 1,2,3 2008-2007 for BMW 335I L6-3.0L Cylinder 1,2,3 2010-2007 for BMW 335IS L6 3.0L Cylinder 1,2,3 2013-2011 for BMW 335XI L6 3.0L Cylinder 1,2,3 2008-2007 for BMW 528I L6 3.0L Cylinder 1,2,3 2010-2008 for BMW 528XI L6 3.0L Cylinder 1,2,3 2008 Professional installation Disconnect battery for safety. Find sensor on the pipe; disconnect wiring. Spray threads with penetrant; remove with sensor socket wrench. Hand-tighten new sensor, then secure with a wrench. Reconnect wiring and battery to complete. Package included:2 pcs Oxygen Sensor