Juice Box Plus Plug & Play Performance Tuner for 135, 335, & 535 [BT-JBPLUS-01]

The Juice Box Plus for BMW is a true plug and play software tune offering safe and adjustable 25-70whp gains. Juice Box Plus (JB+) can be installed and removed in minutes without any tools.

Juice Box Plus for BMW Features:

• Default setting of +2.75psi
• 40HP and 50TQ increases to the wheels
• Max +4.75PSI increase can be dialed in
• No codes and does not require opening the ECU
• Completely reversible and can be done at home!
• Compatible with all ECU and transmission options for the 135, 335, 535 and X6