Maintaining the incredible performance of the 2015-2023 Audi TTS 8S requires strict adherence to routine service intervals. Whether your MQB chassis houses the earlier EA888.3 engine or the later EA888.4 block from 2021 onwards, premium fluids and high-quality replacement components are the ultimate foundation for long-term reliability. Take the guesswork out of your maintenance schedule with complete service kits containing the exact premium oils required for the 2.0 TFSI, alongside high-flow OEM-quality service filters to protect vital internal components. We also stock premium step-colder spark plugs, which are a critical maintenance upgrade designed to deliver a strong, consistent spark and prevent misfires under increased boost on tuned vehicles.