I ve got a couple of questions
what is this ?

i had my golf scanned other day and came up with a Thermostat fault is this were its located on my TDi [AGR] also how much is the Thermostat and what else do i need

Also i travelled down to Cornwall this weekend and i found that my rear tyres were rubbing on the inside of the arches when i was going over bumps i have my golf lowed but not loads i had 4 people in the car and luggage is there a way to stuffen up the rear or do i have to get different springs etc?
this is how low i am atm.

thanks