BMW B38/B46/B48/B58 JB4 Tuner
$529.00 – $678.00JB4 for B48 and B58 engines. Add up to 80whp on the B58 and 40whp for the B48.
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JB4 for B48 and B58 engines. Add up to 80whp on the B58 and 40whp for the B48.
Set of (6) B58 Spark Plugs B58 OEM Champion – RERX4ZWYPB (OE245) These spark plugs are direct OEM replacements for Gen 1 BMW B58 engines. These spark plugs are recommended to be changed every 45,000 miles on stock vehicles and every 20,000 miles on tuned B58’s running above stock boost levels. It’s a great spark…
Set of 6 B58 Gen 2 Spark Plugs OEM NGK 96206 Spark Plugs – NGK SILZKGR8E8S The NGK 96206 spark plugs are original equipment on Gen 2 B58 engines as well as the BMW S58. These spark plugs should be changed every ~40,000 miles on stock B58’s or every 15,000-25,000 miles on tuned and modded…
Set of 6 OEM BMW B58 Ignition Coils
CSF Heat Exchanger for the BMW B48 and B58 engines.
Advancements of B58 flash tuning and JB4 back-end flash maps have removed the software fuel limits but created a new limiting factor, high fuel pressure pump volume. With higher boost targets and E85 fuel mixtures, the high-pressure pump is not able to keep up with demand resulting in fuel pressure drops that trigger engine misfires,…
Make tremendous amounts of power on pump gas! Water/Methanol/Alcohol injection commonly referred to as WMI allows you to make tremendous amounts of power on pump gas. The effect is similar to running 100 octane race gas or E85 fuel all the time with the additional cooling benefits allowing for more power than you can make…
Make tremendous amounts of power on pump gas! Water/Methanol/Alcohol injection commonly referred to as WMI allows you to make tremendous amounts of power on pump gas. The effect is similar to running 100 octane race gas or E85 fuel all the time with the additional cooling benefits allowing for more power than you can make…
FSB JB4 Water/Methanol Injection (WMI) controller The BMS JB4 Failsafe Box (FSB) Water/Methanol Injection (WMI) controller allows the JB4 to control your WMI pump and solenoid for dynamic progressive flow mapping. It also allows the JB4 to monitor pump current to overlay it with CANbus feedback for tuning parameters such as fuel trims and fuel…
Full carbon fiber closed box intake for M240i, 340i, and 440i B58 vehicles
VRSF B58 X3 & X4 M40i downpipe for 15-20+whp gains
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