1 September 2026

Stage 1 developed for the BMW M5 4.4 V8 Plug-in Hybrid

We are proud to announce that Dyno-ChiptuningFiles has developed stage 1 software for the BMW M5 4.4 V8 Plug-in Hybrid with 727hp!

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Capacity: 4395cc    
Bore x stroke: 89.0 x 88.30 (mm)
Compression ratio: 10.5 (:1)
Power approx: 727hp
Power output: 900hp
Torque approx: 1000nm
Torque output: 1150nm
ECU: Bosch MG1CS221
Read Method: AutoTuner BENCH ( After Mail-in Unlock )

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