For drivers running aftermarket wheels or simply looking for the most flexible tyre monitoring system available, the OnTrack External TPMS Sensors offer all the benefits of OnTrack’s precision tyre management — without the need for internal sensor installation. These compact, valve-cap-style sensors deliver real-time pressure and temperature data directly to the OnTrack iOS app, featuring the same blazing-fast refresh rate (~4 seconds) and customisable pressure thresholds as the internal system. No need to remove tyres or unseat beads — simply replace your existing valve caps, pair the sensors to the app, and you’re ready to monitor hot pressures, avoid warning lights, and stay ahead of critical tyre changes on track. Engineered for high-speed use and developed with motorsport input, these sensors are ideal for both serious enthusiasts and professionals running multiple wheel sets or looking for a hassle-free install. Key Features Fast, Simple Installation: Screws directly onto valve stems — no tyre removal needed Real-Time Data: Updates pressure and temperature every ~4 seconds via the OnTrack iOS app Custom Baseline Pressure Settings: Avoid TPMS warnings when running non-OEM pressures Motorsport-Grade Accuracy: Monitor hot pressures and temperature spikes on the fly App Integration: Intuitive iOS interface with alerts and live visualisation Built for the Track: Lightweight, durable, and secure at high speeds Battery Powered: Up to 1-year battery life, with easy replacements Compatibility Compatible with any vehicle running standard Schrader valve stems, including all BMW and Porsche models. Ideal for aftermarket or multiple wheel sets, track tyres, or users looking for a quick and removable TPMS solution. Ideal For Track Day Enthusiasts Performance Car Owners with Aftermarket Wheels Anyone wanting to avoid TPMS warning lights without tyre removal Drivers running multiple wheel or tyre setups Why Choose OnTrack? OnTrack's external TPMS system takes everything great about the internal version — precision, speed, and control — and packages it in a user-friendly, tool-free format. It’s perfect for those who want advanced tyre monitoring without the hassle of internal installation. Built with the same racing-driven development process as the rest of OnTrack’s ecosystem, these sensors empower enthusiasts to push harder, drive smarter, and maintain full control over their vehicle’s tyre setup. Package Includes: 4x External Wireless TPMS Sensors Free OnTrack iOS App Download
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