What jet size?? (07 650i)

[silver07]

I have an 07 650 4x4i, and I plan on going with a Big gun exhaust, aftermarket air filter, and probably the dynatec CDI!! What would be the best jet size for my application, and don't want to run the motor too lean! Are those good mods to start out with??

Thanks!!

[Brute Man Kelley]

Your on track with the right stuff. Jet like this: 42 pilots, 3/32 drilled mains, mixture screws 1 turn out. I run this jet set up when I was stock motor and ran good. you may have to give some more air but that's no problem.