Is BMW M5 available in Screen Size（inch)?

No, BMW M5 doesn't have Blind Spot Info System.

Yes, BMW M5 has Hill Start Assist, which are: 2019 BMW M5 M5.

Yes, BMW M5 is available in Driver/Front Passenger Seat Airbags. The available Driver/Front Passenger Seat Airbags variants are: 2019 BMW M5 M5.

Here are the Rear Foglamps and variants of BMW M5:

Yes, BMW M5 is available in Navigation. The available Navigation variants are: 2019 BMW M5 M5.

Here are the Folding Wing Mirrors and variants of BMW M5:

The Seats of BMW M5 are 1.

Yes, BMW M5 has Paddle Shift, which are: 2019 BMW M5 M5.

Yes, BMW M5 is available in Headlamps. The available Headlamps variants are: 2019 BMW M5 M5.

Here are the Parking Sensor Front and variants of BMW M5: