BMW M5 Owner's Handbook Manual page 216

Refuelling
So that you always have access to the data you
need when refuelling, you are recommended to
enter the relevant figures for your car in the
table provided below. Use the index to find the
information you need.
Tyre pressures
Up to 4 persons
5 persons or 4 plus luggage
Online Edition for Part-No. 01 41 0 159 168 © 03/05 BMW AG
Fuel
Designation
Enter your preferred grade of fuel here.
Engine oil
Grade
Summer tyres
front rear
Winter tyres
front rear