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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…
VRSF B46 catless downpipe upgrade for 10+whp gains
We are proud to introduce our VRSF race downpipe for your non-US market BMW. This upgraded downpipe will result in an increase in power, faster spool and a more aggressive exhaust note. Every VRSF downpipe is hand crafted from SS304 grade stainless steel and includes a lifetime warranty as well as our “No Hassle” satisfaction…
Competition HD heat exchanger & intercooler upgrade kit for B46, B48, and B58
BMW Tuning was launched in 2017 as an informational resource for BMW enthusiasts, focusing on performance modifications and upgrades. We have hundreds of resources around performance upgrades for virtually every engine, and even offer in-depth courses. Overall, we are the leading resource for BMW performance content.
After 7 years and reaching millions of users with our content we have expanded our business. We now offer the best products and the best customer service. We're here to hook you up with the information and parts you need for your build - done right.
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