The chrome cap V for the speedometer adjustment is an optical improvement for your BMW. 
You simply stick it on e.g. with UHU or silicone.
 
 If you have no silicone at home, you can also order our high-quality silicone which is pre-filled in the volume you need and easy to dose.
 
  
 This kit features a standard 12 volt socket and allows you...
 
Article number 2012N: Garage Trolley 320kg
This...
 
Allows the connection of up to 5 terminals to the battery...