What is the wheelbase(mm) of BMW X3?

No, BMW X3 doesn't have Knee Airbags.

Yes, BMW X3 has Daytime Running Lights, which are: 2019 BMW X3 xDrive30i.

The Exterior of the BMW X3 are as follow:

Here are the Screen Size（inch) and variants of BMW X3:

Yes, BMW X3 has Parking Camera, which are: 2019 BMW X3 xDrive30i.

Here are the Sunshade and variants of BMW X3:

Here are the Capacity (L) and variants of BMW X3:

Here are the torque (Nm) and variants of BMW X3:

Yes, BMW X3 has Hill Start Assist, which are: 2019 BMW X3 xDrive30i.

Here are the Generation and variants of BMW X3: