The 123\BMW-6-R-V is designed for 6-cyl. engines:

– 2.5 CS, 2.8 CS/L/A
– 2500/A, 2800 /CS/A
– 3.0 L/S/CS/A
– 3.0 SI/CSI/CSL (not for D-Jetronic injection)
– 3.3 L/A
– 320/6, 520/6 (early types)

The 123\Switch units are easy to install. Preprogrammed original manufacturer ignition curves.
By selecting 1 of 16 available advance curves, this electronic distributor is suitable for many engines
Please take a look in the advance curve table of the specific unit for available advance curves.

BMW-6-R-V   = BMW stands for the 123ignition type  
BMW-6-R-V   = 6 stands for the number of cylinders 
BMW-6-R–V   = R stands for straight distributor cap 
BMW-6-R-V   = V stands for vacuum advance