For Cyl. 5-8
Cylinders 5, 6, 7, and 8
Connects Left and Right Lines to Thermostat Housing
For Cyl. 1-4
Connects Left and Right Lines to Auxiliary Pump
Cylinders 5, 6, 7, and 8
Cylinders 1, 2, 3, and 4
Coolant line to Left Auxiliary Water Pump
Browse our selection of quality turbocharger coolant line parts designed specifically for your BMW M550i xDrive. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base
Sedan
V8 4.4L
Automatic