JB4 for BMW GEN1 & GEN2 B58 vw-golf-r-mk7-2019-2021-esr6912127 Bluetooth ECA can be purchased

Bluetooth ECA can be purchased with our without any harness you may need as we now have a variety of harnesses and extensions to choose from

Select E chassis BMW when ordering

Can fluid capacity: up to 12oz (355mL)

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Each cap is CNC machined in the USA from a solid block of billet aluminum

JB4 for BMW GEN1 & GEN2 B58 vw-golf-r-mk7-2019-2021-esr6912127 Bluetooth ECA can be purchasedPower gains of up to 120HP & 120TQ to the wheel on a stock B58 without the risks of flashing! The JB4 B58 tuner from Burger Motorsports is the most advanced plug & play tuning system available for BMW B58 turbocharged engines. Power gains of up to 120 horsepower and 120 lb ft torque at the wheels are possible on a completely stock B58 engine running pump gas. Vehicles equipped with bolt on upgrades, higher octane fuel, E85 mixtures, or larger