How much should I sell for?

Hi, Many loving years I've had my grey colour coded 2002 (April) Mini Cooper S with GRS racing intercooler and Alta induction kit. Done just 89k, new gearbox new clutch (doing at mo) original 17" Wheels sprayed in Anthracite black just done with 4 new tyres and 4 x 15"s for bad weather

Generation
1st
Model
MINI Cooper S
Build Specificaton
United Kingdom
Body Color
Dark Silver
Roof Color
Black
Transmission
Manual
Suspension
Sport
Stability and Traction Control
DSC
Headlights
Halogen With Washers
Fog Lights
Front
Rear
Chrome Line Exterior
Yes
Mirror Caps
Union Jack
Roof Spoiler
Aero
Seat Configuration
No
Seats
Sport
Heated Seats
Yes
Seat Upholstery
Leather - Gravity - Dark Blue
Dash and Door Trim
Silver
Door Casings
Blue
Steering Wheel
3-spoke Leather
Multi-Function Steering Wheel
Yes
Panoramic Sunroof
Glass
On-Board Computer
Yes
CD Changer
No
AHPS II
Yes
PDC
No
Navigation System
Yes
Remote Alarm System
Yes
Exterior Accessories
Aero Kit (complete)
Antenna
White Side Repeaters
White Taillights
Aftermarket Bits
Rear valance stickers by Mini Pirate (NMAr261 Black/Grey Vinyl)

How much should she fetch?

Manythanks,

Ian