do you need a labtop to update the jb4 with the usb cable?
im sorry for asking all these noob questions, i just want to make sure i understand the jb4.
is the JB4 plug and play in stock and ready to ship for my 08 335i e93?
08 BMW 335i E93
**Stance will make B!tches Dance**
CCW LM5T coming soon