COMPATIBILITY: Perfect fit for BMW models including 228i (2014-2016), 228i xDrive (2015-2016), 320i (2012-2018), 320i xDrive (2013-2018), and 328i (2012-2016)
PACKAGE CONTENTS: Set includes both upstream and downstream oxygen sensors with part numbers 234-5054 and 234-8084
TECHNICAL SPECS: Features M18 thread size with 18.0mm diameter, 22mm wrench size, and 20-gauge wire measurement
DESIGN FEATURES: Male connector and terminal gender with heated sensor type for optimal performance and reliability
INSTALLATION TYPE: Threaded mounting design ensures secure fitment and proper sensor placement in the exhaust system