Tuning-X is excited to announce the launch of Stage 1 software specifically designed for the BMW M850i 4.4L with MG1CS201. Our team has worked tirelessly to fine-tune the software for the MG1CS201 resulting in impressive performance enhancements and improved fuel efficiency. Our main objective was to ensure that the vehicle operates safely within the engine’s limits, striking the perfect balance between power and economy. With our Chiptuning solution, you can expect an exceptional driving experience. 

Capacity:                      4.4 L  

Stock Power:                530hp 

Improved Power:         684hp     [+154hp] 

Stock Torque:               750nm 

Improved Torque:        854nm    [+104Nm] 

ECU:                              MG1CS201