Air Suspension is Regenerated from OE Vibracoustic part. Brand: BMW Model: 7ER (G11 / G12) with VDC for xDrive (4WD) Side: Front Installation Side: Left Part: Air Suspension (Regenerated) Warranty: 2 years (air spring), 1 year (shock absorber hydraulic part only) --------------------------------- OEM Part Numbers: Left Air Suspension part number: 37107915945, 37106899043, 37106877559, 37106874597, 37106877557 Cross: 77687755903, F308617003, 77687755901