E39 - 1995 - 2003
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Order This File Ask a QuestionThe BMW 5 Series 525 TDS 143hp (E39 - 1995 - 2003) produces 143bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 172bhp and 350Nm, a gain of 29bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.