Bmw Supercharger E46 Best Upgrades

Thank you for coming back now that we have taken a few preventative steps before running the supercharger we will be upgrading a couple things more things, a must for any boosted project. injectors, spark plugs, filter. and a special come up.

[@Linoge279]

any additional gain with those purple injector install on the M52tu with just NA?

[@acef_performance8416]

I don’t think so but is stock on 330 bmw so obviously there something better about them then the black ones on 325, 323, 328