2010 E60 520d

[crosswired]

hi guys,
just got my 'new' E60 diesel (174bhp) and as i've never owned diesel engine car before, looking for some advice...
She got 120k miles on the clock (manual g-box) and got decent service history.
some VIN decoding:

Type code NX32
Type 520D OL (EUR)
Dev. series E60 (MUE)
Line 5
Body type LIM
Steering RL
Door count 4
Engine N47
Cubical capacity 2.00
Power 130
Transmission HECK
Gearbox MECH
Colour TITANSILBER METALLIC (354)
Upholstery LEDER DAKOTA/SCHWARZ (LCSW)
Prod. date 2009-12-07

Order options
No. Description
1CA SELECTION COP RELEVANT VEHICLES
1CB CO2 CONTENT
2PA LOCKING WHEEL BOLTS
2SD ALLOY WHEELS STAR SPOKE 243/RF
30 EU SPECIFIC ADDITIONAL EQUIPMENT
3DY SILL BARS
302 ALARM SYSTEM423 FLOOR MATS, VELOUR
428 WARNING TRIANGLE
431 INTERIOR RR VW MIRROR W AUT ANTI-D
441 SMOKERS PACKAGE
470 CHILD SEAT ISOFIX ATTACHMENT
508 PARK DISTANCE CONTROL (PDC)
544 CRUISE CONTROL WITH BRAKING FUNCTION
6AA BMW TELESERVICES
6AB CONTROL TELESERVICES
606 NAVIGATION SYSTEM BUSINESS
612 BMW ASSIST
616 BMW ONLINE
633 PREP.MOB. PH. BUSINESS BLUET.INTERF.
672 CD CHANGER BMW FOR 6 CDS
698 AREA-CODE 2
8SA COUNTRY SPEC. RELEASE OF NAVIGATION
8SC COUNTRY SPEC. RELEASE OF TELESERVICE
8SM VIN, VISIBLE FROM OUTSIDE
8SP COP CONTROL
8S2 CODING OF ALARM SIGNAL
8S8 COUNTRY SPEC.NAVI CONTROL (ACC)
812 ENGLAND VERSION
850 ADD FUEL TANK FILLING FOR EXPORT
863 EUROPE/DEALER DIRECTORY
877 DELETION CROSS-OVER OPERATION
80 ENGLISH / ON-BOARD DOCUMENTATION

Series options
No. Description
346 CHROME-LINE EXTERIOR
4BX INT. TRIM FIN. GREY HIGH-GLOSS
442 CUPHOLDER
53 LANGUAGE VERSION ENGLISH

What should i do? my first thought is: remap

what else?
any suggestions and feedback highly appreciated

tia
kris