BMW Mini Cooper B38/ B46/ B48 JB4 Tuner - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Z4 and Z6 N54 Twin

Z4 and Z6 N54 Twin Turbo

Oxygen Free Copper: Yes

Easy installation and removal

The ARM MK7 Downpipe gives you an immediate improvement in turbo spool

It features a 64mhz processor allowing sensors to be sampled 800 times per second using dedicated 10 bit digital to analog converters

BMW Mini Cooper B38/ B46/ B48 JB4 Tuner - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Z4 and Z6 N54 TwinReady to take your MINI B38 B46 B48 turbo to the next level? The JB4 is the most advanced and highly featured tuning system available for your B38 B46 B48 MINI. Power gains are up to 40hp to the wheels (55hp crank) for a B48, gains with bolt on parts, higher octane, E85 mixtures, and larger turbos are even higher. The JB4 features a simple plug and play installation harness for easy installation and includes many features not found on any other tune.