The Bluetooth programmable 123TUNE+-6-R-V-POR911-SMALL is designed for Porsche 911 2,0L and 2,2L 6 cylinder engines.
Suitable for engines without HKZ (CDI) unit and first generation HKZ unit ( 3 wires )
Warning: Don’t use the original HKZ (CDI) coil direct on the 123ignition.
Programmable via Bluetooth with phone or tablet.
Can be changed live!
Boost retard, meter on the computer screen, etc..
New coil is recommended because old coils are often too low a resistance, is not stable in operation.
(Do not go below 1ohm operating)