Audi S4 B8.5 2014 For Sale High pressure electric fuel pump (front) High pressure mechanical fuel pump (rear) Both are common faults Water pump failure has been addressed with OEM Parts. Serviced every 4k miles at Serk Motorworks Ghost immobiliser installed with scorpion tracker 2.5k custom valve exhaust Carbon Fibre Paddles Rear Diffuser Side Skirts Boot Lid Front Splitter 034 motorsport induction kit 034 motorsport ecu and tcu map stage 1 with advanced launch control