TRQ Performance. TT Quattro TT Quattro Audi L4 1.8L Turbo with Front Female Oval Pad Wear Sensor Connector with Heavy Duty Brakes Front & Rear Brake Pad & Rotor Kit. Golf Golf VW L4 1.8L Turbo with Front Female Oval Pad Wear Sensor Connector with Heavy Duty Brakes Front & Rear Brake Pad & Rotor Kit.