Important features in the engine compartment

Important features in the engine compartment
1. Vehicle identification number
2. Jump-starting, negative terminal
3. Washer fluid reservoir
4. Jump-starting, positive terminal
5. Oil filler neck.
6. Coolant reservoir
See also:
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...
Backrest width
Change the width of the backrest
using the side wings to adjust the
lateral support. ...
Tire inflation pressure values up to 100 mph/160 km/h
320i
328i
335i
...
