- Power Gain: 67hp
- Torque Gain: 70ft-lbs
The Speed-Buster Power Module is a simple plug and play power upgrade that delivers big power gains on the S55 powerplant with no downside. The installation is simple - just 3 sensors - making it the easiest power gain you'll ever do. By sending modified signals back to the engine computer, the Speed-Buster tricks the computer into safely raising the boost. And with careful programming of operational tables, the Power Module doesn't trigger torque limiters, monitors, or limp mode, which means safe power that won't kill your engine - or warranty!
Inside the Speed-Buster module is a sophisticated programming module, tuned specifically for the S55 engine on Speed-Buster's MAHA dyno. All development, tuning, and production are done in-house at their German facility. Speed-Buster's programming works seamlessly with the factory ECU to give an impressive increase in power with factory-levels of driveability and smoothness. All factory overboost protections remain in place and the system can be uninstalled at any time. A bypass plug is also included that allows stock operation without component removal if you want your BMW to appear stock. The Power Module works independently from the factory BMW ECU so it's unaffected by software updates and revisions, and all OBD diagnostics and service functions are untouched.
Tested and confirmed for use on M3/M4, including models with Competition Package.
Installation is fast and easy - simply unplug the factory connectors for the designated sensors (camshaft position sensor, boost pressure sensor in the intake, and the intake manifold pressure sensor on S55 applications), plug into the Speed-Buster harness, and plug the Speed-Buster connector into the sensors. The harness uses factory-type connectors for a positive and weatherproof connection and an OEM appearance.
Speed-Buster is the
premium German tuning module brand. All harnesses, modules, and circuit boards are premium quality, made in-house in the Speed-Buster facility in Germany. No need to pay hundreds of dollars more to buy this component elsewhere in a different box, or risk getting a lesser-quality part! We have researched extensively, and proudly sell the premium Speed-Buster product line.
BMW Fitments: 3 Series
F80 (2015+) > M3 (2015+)4 Series
F82 / F83 (2015+) > M4 (2015+)