Tachwire

Tachwire

Live OBD gauges in your car

1 ratings
1 review
Free

Details

Released
October 2, 2026
Updated
October 24, 2026

Features

Background Location Access

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About

This app displays real-time car data like oil and gearbox temperatures, boost, and gear on your phone's screen. It provides spoken warnings for critical conditions and offers detailed insights for BMWs and other supported vehicles. It also includes road camera alerts and drive recording features.

✓Live OBD data display
✓Customizable tiles on car screen
✓Spoken warnings for critical conditions
✓Detailed BMW diagnostics
✓Road camera alerts
✓Drive recording and analysis
✓Track lap timing
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What's New in Tachwire

0.4.0

October 24, 2026

A screen of your own in the car, track guidance, many more makes, a new design and route videos to share. • Screen in the car: instruments you place yourself — tiles of any size on a grid fitted to your car's display, and pages for the road, the track and the warm-up. Arrange them on the phone, start from the Gallery, or edit on the car's screen while parked. • Track page: the gap to your best lap, the laps and the gear, laid out like a race display. • Track guidance in CarPlay: on a circuit, the track map with the next turn, and your braking points once a lap is recorded. A Track map tile for any page. • More makes, first support: Mercedes-Benz, Porsche, Ford (F-150, Mustang, Ranger, Bronco and more), Toyota and Lexus (Land Cruiser 300, Tundra, Hilux and more), RAM, Dodge, Jeep, Chrysler, Land Rover and Jaguar; Renault, Dacia and Alpine are recognised. Their own readings stay quiet, with no warnings, until a drive confirms them. • Choose your car by make, then model, pictured in its factory colours. • BMW diesels: AdBlue range and litres, and more readings from the engine unit. • Road cameras: now in the United Kingdom, with limits in mph; a map window on the car's screen shows the camera ahead. • A new look across the app, with a light appearance that follows your phone. The car's screen stays dark. • Car: tank, battery and tyres at a glance; the last drive and this week. • Drives: a diary by day. Each drive says what it was — city, highway or track — with its alerts, pulls and records. • Drive page: a verdict with its reason and health against your car's own usual. All charts shows every recorded reading; turn the phone sideways for a cursor. • Logbook: records and trends in one tab. Ignition and Power by rpm: timing pull and the power curve over every pull. • Route screen and route video: the line coloured by speed, power, pedal or g-force, a replay, and a 15–60 s flyover on an OpenStreetMap map, saved to Photos. • Share: one sheet everywhere, a source for every figure, and no VIN, time of day or route by default. • Engine software: tell the app about a Stage 1 or 2 tune, and power and ignition are judged with it in mind. • Less CPU and battery use during a drive, and many fixes from drivers' logs. Runs and laps: on a closed track only.

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FAQ

What cars does Tachwire support?

Tachwire offers the deepest support for BMWs, including specific engine, gearbox, and hybrid units. It also has initial support for MINI, Toyota GR Supra, Audi, Volkswagen, SEAT, CUPRA, Mazda, and Honda. Standard readings are available for any car with an OBD port.

How does Tachwire display data?

Tachwire displays up to four screens of data tiles on your phone's screen, updated twice per second. These tiles change color to indicate temperature status (blue for cold, green for in range, amber for hot, red for critical) and can show warm-up countdowns.

Does Tachwire have ads?

Tachwire does not contain advertisements. It is a free application that provides real-time car data and features without interruption.

What is required to use Tachwire?

To use Tachwire, you will need a Bluetooth LE OBD adapter. Recommended adapters include OBDLink CX, vLinker, UniCarScan, or an ELM327 BLE clone.

Can Tachwire alert me about road cameras?

Yes, Tachwire offers spoken alerts and on-screen banners for speed and red-light cameras, section controls, and low-emission zones in supported countries. These alerts can be turned on or off in the app's settings.

What kind of drive data does Tachwire record?

Tachwire records every drive, showing route, charts of speed, power, temperatures, gearbox, air-fuel ratio, g-forces, and fuel used. It also calculates 0-60 mph or 0-100 km/h times and tracks records.

How often is Tachwire updated?

Tachwire was last updated on October 19, 2026, with version 0.3.3. The release date was October 2, 2026, indicating recent development and potential for future updates.

What is the age rating for Tachwire?

Tachwire has an age rating of 4+. This suggests it is suitable for a wide range of users and does not contain content inappropriate for younger audiences.