Four Up+Downstream Oxygen Sensors for BMW 550i xDrive for Alpina B7 2011-2015 4.4L

Condition:New|Mounting Style:Screw-In|Other Part Number:1787545074,11787545244,11787569968,25025087,17187|Fitment Type:Direct Replacement|Terminal Type: for Mini -Blade|Manufacturer Part Number:234-5026 234-4876|Placement on Vehicle:Front, Rear, Downsteam, Post-cat, Pre-cat, Upstream|Brand:Unbranded|Type:Oxygen O2 Lambda Sensor|Interchange Part Number:11787526262, 11787576673, 2344876, 2345026, 24365|Connector Color:Black|Sensor Type:Oxygen Sensor|Manufacturer Warranty:2 Years|Connector Type:Female|Part number:11787614322,15167,25676|UPC:Does not apply