BMW Bluetooth/CANflex Flex Fuel Kits for the G-Chassis Gen3 B58 & B48 vw-tiguan-r-line-2026--esr7219752 JB4 features a 64mhz processor

JB4 features a 64mhz processor allowing sensors to be sampled 1000 times per second using dedicated 10 bit digital to analog converters

and features with future development

and a few bolt-on mods

5" from o-ring to o-ring

To use our Bluetooth feature an additional 3rd party app for your Android or Apple phone must be downloaded and can be found here: If you are using an Apple® product the app can be found by clicking here

BMW Bluetooth/CANflex Flex Fuel Kits for the G-Chassis Gen3 B58 & B48 vw-tiguan-r-line-2026--esr7219752 JB4 features a 64mhz processorKnow your exact ethanol content in real time with our new LED display or by using the BMS CANflex or JB4 mobile app on your smartphone or tablet. If you're running E85 or ethanol mixes in your Gen 3 B58 or B48 equipped BMW, you need this kit! As many of you know the BMW motors can be very picky about how much ethanol you run to achieve peak performance but not run lean. Consequently, we have put together a kit enabling you to easily install an ethanol