Pour la liste des options en sortie d'usine :
http://www.etk.cc/bmw/FR/vin/decoder/BO28479/FR/code: NA51
Model: 525I (EUR)
E-F-R series: E60
Series: 5
Type: LIM
Steering: LL
Doors: 4
Engine: M54
Displacement: 2.50
Power: 141 (192 hp)
Drive: HECK
Transmission: MECH
Paint code: 349 - OLIVIN METALLIC
Upholstery code: LCSW - LEDER DAKOTA/SCH
Prod.date: 2003-12-18
B028479 NA51 349 LCSW 5' E60 Sedan 525i
S8SA Navigation access request,country-spec.
S8SB Telematics access request,country-spec.
S8SC Telematics access request,country-spec.
S8SP Control unit CO2
S217 Active steering
S226 Sports suspension settings
S229 Dynamic Drive
S255 Sports leather steering wheel
S339 Shadow-Line
S415 Sun-blind, rear
S423 Floor mats, velours
S428 Warning triangle and first aid kit
S430 Interior/outside mirror with auto dip
S431 Interior rear-view mirror with auto dip
S439 Interior trim finishers
S442 Drink holder
S459 El. front seat adjustment w. memory
S465 Through-loading system
S481 Sports seat
S494 Seat heating driver/passenger
S496 Seat heating, rear
S502 Headlight cleaning system
S508 Park Distance Control (PDC)
S522 Xenon Light
S524 Adaptive Headlights
S534 Automatic air conditioning
S540 Cruise control
S548 Kilometre speedo
S563 Light package
S590 BMW LA wheel, star spoke 123
S606 Navigation system Business
S610 Head-up display
S644 Preparation f mobile phone w Bluetooth
S672 CD changer for 6 CDs
S676 HiFi speaker system
S698 Area-Code 2 for DVD
S785 White direction indicator lights
L801 NATIONAL VERSION GERMANY
S851 Language version German
S863 Dealer List Europe
S879 Operating instructions German
S915 Omission of outer-skin preservation
Donc c'est bien un import Allemagne, et le pack M a probablement été rajouté après production (mais je ne connais pas codes correspondants).