Hey everyone,
Im new to the BMW community and have been doing research on tuning a 2009 135i. I ran into the JB4 Flash via Cobb accessport while on BMS. Just wondering if anyone has purchased this and was it worth the purchase? The combination of simplicity of the AP and quality of JB4 tunes seems like a winner to me...
Im new to the BMW community and have been doing research on tuning a 2009 135i. I ran into the JB4 Flash via Cobb accessport while on BMS. Just wondering if anyone has purchased this and was it worth the purchase? The combination of simplicity of the AP and quality of JB4 tunes seems like a winner to me...