Compatability is just for reference, please confirm your OEM number For BMW 5 Series E61 Air Suspension Compressor Pump W/ Solenoid Valve Block + Bracket + Relay Application: for BMW 5 Series E61 Estate 2004-2010 Models Include: 520d , 520i , 523i , 525 xd , 525 xi , 525d , 525d xDrive , 525i , 525i xDrive 530 xd , 530 xi , 530d , 530d xDrive , 530i , 530i xDrive , 535d , 545i & M5 Reference OE/OEM Number: For Air Compressor: 37106793778, 37 10 6 793 778, 37.10-6 793 778, 37206792855, 37 20 6 792 855, 37.20-6 792 855, 37206777361, 37 20 6 777 361, 37.20-6 777 361, 37206769083, 37 20 6 769 083, 37.20-6 769 083, 37106789937, 37 10 6 789 937, 37.10-6 789 937, 37106785505, 37 10 6 785 505, 37.10-6 785 505, 37106777827, 37 10 6 777 827, 37.10-6 777 827, For Relay: 61368373700, 61.36-8 373 700 Specification: Condition: Brand New Fitment Type: Direct Replacement Quantity: 1pc Air Compressor Pump W/ Solenoid Valve Block + Bracket + Relay Placement on Vehicle: Front, Rear, Left, Right