1. Durable and reliable. 2. Easy to install. 3. Material: ABS + PC 4. OE number: 64229166885. This is just for reference, please check and confirm the OE carefully before purchasing. 5. Installation steps: Step 1: Open the car front Console Grill Dash, and gently pull out it; Step 2: Pull out the connection wire of the air conditioning assembly, and take out it; Step 3: Remove the screws between the air conditioning assembly and Grill Dash AC Air Vent by T20 wrench; Step 4: Open the 4 CARS down of Grill Dash AC Air Vent by screwdriver, same as the 3 CARS up of Grill Dash AC Air Vent; the you can separate Grill Dash AC Air Vent from air conditioning assembly; Step 5: Remove the alarm switch from the old Grill Dash AC Air Vent; And installed on the new Grill Dash AC Air Vent; Step 6: Reconnecting the new Grill Dash AC Air Vent with the air conditioning assembly,and adjust the CARS of Grill Dash AC Air Vent ; Step 7: Reconnecting the air conditioning assembly and new Grill Dash AC Air Vent,and reconnect to the car; Step 8: Put the air conditioning assembly back into the car, and fix it tightly 6. Fits for: BMW 520i 2010-2016 BMW 520d 2010-2016 BMW 520d xDrive 2010-2016 BMW 523i 2010-2016 BMW 525i 2010-2016 BMW 525d 2010-2016 BMW 525d xDrive 2010-2016 BMW 528i 2010-2016 BMW 528i xDrive 2010-2016 BMW 530i 2010-2016 BMW 530d 2010-2016 BMW 530d xDrive 2010-2016s BMW 535i 2010-2016 BMW 535i xDrive 2010-2016 BMW 535i GT 2010-2016 BMW 535i GT xDrive 2010-2016 BMW 535d 2010-2016 BMW 535d xDrive 2010-2016