I've been dealing with a jerky downshift on my 2014 Audi S5 for almost a year now, and three different garages couldn't figure it out. One said it needed a new mechatronic unit, another blamed the clutch packs, and the third just reset the adaptations and hoped for the best. I was about to sell the car out of frustration until a fellow Audi owner at a cars and coffee event told me about an Audi Transmission Dubai Specialist Shop that only works on these dual-clutch units. Took my car there last week, and within a day they diagnosed a worn pressure regulator valve inside the mechatronic body. They replaced just that valve, did a full adaptation relearn, and the car shifts like new again. The total bill was under 2,500 dirhams, which is less than half of what the first shop quoted for a whole new mechatronic. If you've been chasing transmission gremlins on your Audi for months, do yourself a favour and go to a place that actually knows these gearboxes inside out. I'm just relieved I didn't give up on the car.