"Since September 2005, the BMW Group large customers fleet models BMW offers 520d and 525d. Equally the production car in technology and equipment containing fleet Edition as modified engine variants. The fleet model makes only 110 kW (150 HP) or 120 kW (163 PS) instead of 120 kW (163 PS) or 130 kW (177 PS). These models are each the same engine as the default instance. The performance reduction is caused only by a change of identification box in the software (Bosch EDC16) engine steuergerätes"
FAAAAAN!!!!!