flufmonkey2502

hi i have just bought my first lexus is 200 im blown away by the drive and build i have tried to buy update for sat nav on mapupdates eu but every time i enter the disc number it says it wont recognise it have i done something wrong am i reading the right number i have two on the bottom of the disc my vehicle 2005 and the disc number is 86271-24124a and other number at the bottom is 86271-70v314a can anyone please pass on any help or advice however little before o rip my hair out many thanks