Thought I'd post how this was resolved, since people on other threads have seemed a bit unsure of price.   The B pillar foil stickers on my Fabia became damaged and started cracking/peeling (photo 1 below), so I phoned the local Skoda garage who got me replacement stickers for £5 each - quite reasonable. What was not reasonable, however, was the quote they gave me for labour, which was £70 per strip! So, I decided to do it myself - that was, until I discovered how tricky it was to get