525i 525i M54B25 189HP Petrol

BMW 5 Series E39

Representative BMW 5 Series E39
E39 · 525i 525i M54B25 189HP Petrol. Tested and calibrated in-house in Cowbridge.
Stock Baseline
189 hp
Factory torque: 245 Nm
Stage 1 Road Remap +21 HP GAIN
210 hp
260 Nm (+15 Nm gain)
Petrol Engine: M54 / M54B25
In-House Dyno Workshop: South Wales Dyno Centre in Cowbridge (12 miles from Barry · 15 miles from Cardiff). Pre-tune health checks, smoke testing and rolling road logging included.

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