Currently working on my R50 and wanting to go bigger on the injectors, according to everything I’ve seen, I’m going to have to change out the plugs electrical connectors as well when I install either R53 injectors or the JCW injectors, has anyone done this yet?

 

Yes, when upgrading an R50 to R53 or JCW injectors, you’ll need to change or adapt the electrical connectors since the plug style is different. Many people use adapter harnesses or pigtails to make them fit properly.