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

– 3.0 SI Including Bosch D-Jetronic fuel injection support!

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