JB4 for 2018+ Lexus LS 500 3.5L Twin Turbo mercedes-benz-gla-250-2015--esr8439671 facilitates engine & DME box

facilitates engine & DME box access for service

• 2013-2017 N55 BMW F20/F21 M135

and/or upgraded turbocharger applications across all late model turbo BMW models

This option is for those customers that will be running an external fuel pressure regulator (FPR)

• Made in USA

JB4 for 2018+ Lexus LS 500 3.5L Twin Turbo mercedes-benz-gla-250-2015--esr8439671 facilitates engine & DME boxPower gains of up to 75hp on a stock vehicle without the risks of flashing! Now includes the JB4PRO adapter and free app built in! The JB4 is the most advanced and highly featured tuning system available for your 2018 Present Lexus LS 500 3. 5L. Power gains are up to 60hp to the wheels (75hp crank) on a completely stock car on pump gas, gains with bolt on parts, higher octane, E85 mixtures, and larger turbos are even higher. The JB4 features a simple