Reply To: Abu Dhabi – Audi gearbox feeling rough 25/07/2026 at 2:10 pm #44542 Garnet TregonwellGuest “Lifetime” transmission fluid on a ZF 8 speed at 140k km is one of the most damaging pieces of advice Audi dealers still give. Cold morning jerkiness is almost always degraded fluid losing its viscosity properties at lower temperatures.