Hello all, i am a new 2003 Opel Omega owner, she is 3.2 V6, automatic, white color

i am a 27 years old Doctor (surgeon) living in Kuwait
this is my first Omega, currently i have: 1994 BMW 325i Convertible Black + 2007 Pajero white (my Father's)
regarding my Omega
when i got it, the car water pump was broken, i done full service (as in really really full) as soon as i got it
i changed the following:
*Water Pump - Magneti Marelli (£45)
*Water Electric Pump - GM (£11)
*Radiator - Chinese (£67)
*Fan Switches - GM (£63)
*Thermostat - GM (£56)
*Thermostat Pipe - GM (£6.5)
*Water Cooler Cover - GM (£13.5
*Timing Belt - Lemfoerder (£37)
*Oil Filter + Fuel Filter - GM (£18)
*Oil Pressure Switch - GM (£18)
*A/C Hoses Service + Gas - (£44)
*Mounting Engine - (£56)
*Mounting Gear - Topran (£18)
*Stabilizer + Steering Lever - (£56)
*Mounting link Front Axle - Febi (£65)
*Break Disks - Lemfoerder (£68)
*Break Pads - Ate (£56)
*Heater Valve - GM (£35)
Parts Total = £734
Labor Coast = £180
Total = £ 814
the only things left are: Front Suspension + Pads (£145) + Tires 235/45/17 (Dunlop WD=£327, ZR=£360)