The USB programmable 123\TUNE-4-R-V-V is designed for VW and Volvo B18-B20 4 cylinder engines
For Bosch D-Jetronic Injection engines the non programmable unit is available: 123\VW-4-R-V-IE or 123\VOLVO-B18-B20-4-R-V-IE
If you want to tune your engine, or you have an engine for which there is no standard distributor available….. And you are a Windows PC user, the 123\TUNE is the answer! By connecting it to a computer, you can easily adapt the 123\TUNE to fulfill even the most demanding requirements. The unit offers two sets of curves that can be selected by placing 12 Volt on a wire from the 123\TUNE. Handy, if you’re driving on two different fuels, like regular fuel with LPG or with Ethanol
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