This spark plug wrench has a wrench size of 16mm. It is very thin and because of this it's perfect to change the spark plugs on BMW motorcycles. Most of the other socket wrenches and spanners are too thick for this job.
BMW R1200GS 2004-2009
BMW R1200GS Adventure 2005-2009
Not for DOHC engines!
1/2" or 3/8"
with a large torque adjustment range...
You will need a special small and long wrench socket size...
Part no. 137521:
Adapter from 1/2" to 3/8" to use a...