BMW 7 Series F01 3.0d — ECU calibration and diagnostics
Stage 1 calibration, dyno results and fault diagnosis for a BMW F01 3.0d with an EDC17CP09 ECU.
This BMW 7 Series F01 with a 3.0-litre diesel engine and an EDC17CP09 control unit arrived with the DPF already physically removed, while the ECU software was still original. Diagnostics and a review of engine data were carried out before calibration. The initial dyno run with the original software recorded approximately 257 hp and 580 Nm.
After Stage 1 calibration, the dyno showed about 320 hp and 622–623 Nm. A slight hesitation was noticed during testing at around 2,400–2,600 rpm; the logged data showed a brief drop in fuel delivery in that range.
An exhaust pressure sensor fault was still present after the power test. The owner planned to repair the component, but no completed repair is confirmed in the video. The power result should therefore be considered separately from the unresolved sensor fault.
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