Description:   Type:5-wire, Product Fit:Direct Fit  Placement on Vehicle: FRONT,Upstream  Part number: 11787589121  Fits for BMW X1 E84 X3 F25 Z4 E89 F20 F21 F30 F31 F10  Made: High-quality material for long-lasting durability   Specification:   Part number: 11787589121  for BMW 320i United States, Before catalyst in exhaust pipe. 2013 - 2018  for BMW 320i United States, Before catalyst in exhaust pipe. 2013 - 2018  for BMW X3 United States, Before catalyst in exhaust pipe. 2013 - 2017  for BMW X3 United States, Before catalyst in exhaust pipe. 2015 - 2017  for BMW X4 United States, Before catalyst in exhaust pipe. 2015 - 2017  for BMW X5 United States, Before catalyst in exhaust pipe. 2016 - 2017  for BMW 328i GT United States, Before catalyst in exhaust pipe. 2014 - 2016  for BMW 228i United States, Before catalyst in exhaust pipe. 2014 - 2016  for BMW Z4 United States, Before catalyst in exhaust pipe. 2012 - 2016  for BMW 428i United States, Before catalyst in exhaust pipe. 2014 - 2016  for BMW 428i United States, Before catalyst in exhaust pipe. 2014 - 2016  for BMW 428i Gran Coupe United States, Before catalyst in exhaust pipe. 2015 - 2016  for BMW 428i Gran Coupe United States, Before catalyst in exhaust pipe. 2015 - 2016  for BMW X1 United States, Before catal   Size Chart:   20x8x6cm/7.87x3.15x2.36inch   Package Includes:   1 Piece Oxygen Sensor   Note:   1. Please allow slightly error due to manual measurement.  2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.  3. Wish you a wonderful on-line shopping