Just got my 110 back from the garage. They’ve said she needs a new gearbox, she drives fine but won’t go from 3rd to 2nd gear. Will go from 1st to 2nd - all be it a tad sticky - went through last MOT last with no probs. 161000 on the clock Garage was vague and reluctant to investigate but they are trustworthy and I’ve used them for years. Any ideas on value?