BimmerLink vs TuneBoss ECU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BimmerLink
This app provides direct access to your BMW or MINI vehicle's systems. Read and clear trouble codes from all control units, monitor real-time sensor values, and control features like exhaust flaps and active sound design. It also supports battery registration, DPF regeneration, and service resets.
- Read and clear trouble codes from all control units
- Display real-time sensor values
- Remote control of exhaust flap
- Mute Active Sound Design
- DPF regeneration
- Battery registration
- Service reset
Read full descriptionHide full description
BimmerLink is the direct link to your BMW, MINI, or Toyota Supra. Read and clear trouble codes, monitor live sensor data, and perform maintenance functions from your phone. A supported OBD adapter or cable is required. Feature availability depends on your vehicle and its equipment. READ AND CLEAR TROUBLE CODES Read and clear diagnostic trouble codes from all control units in your car. LIVE SENSOR DATA Monitor values such as oil temperature and boost pressure in real time. Create a personalized dashboard to keep the readings that matter to you in view. DATA LOGGING Record sensor values in CSV log files for detailed analysis. CONTROL UNIT FUNCTIONS Access live data and diagnostic functions for individual control units in your car. EXHAUST FLAP CONTROL Choose whether your car's exhaust flap is open or closed. Requires a factory-installed exhaust flap. ACTIVE SOUND DESIGN Mute the artificial engine sound generated by Active Sound Design (ASD). Requires factory-installed ASD. SOUND TUNING Disable exhaust burble on cars equipped with the S55 engine (M2 Competition, M3, and M4). DPF REGENERATION Check the condition of your diesel particulate filter and request a regeneration when needed. Available on supported diesel vehicles equipped with a DPF. CARPLAY ADD-ON Use CarPlay to view live sensor data from your car's engine control units and control the exhaust flap and Active Sound Design, all from your car's display. Additional in-app purchase required. BATTERY REGISTRATION Register a new battery after replacement directly from the app. PARKING BRAKE SERVICE MODE Activate service mode for your car's electromechanical parking brake. SERVICE RESET Reset service indicators after completing maintenance, such as an engine oil change or brake pad replacement. RESET SHORT-CIRCUIT LOCKS Reset short-circuit locks in the lighting control unit. TRANSMISSION ADAPTATION VALUES View adaptation values for your car's ZF 8HP automatic transmission. REQUIRED ACCESSORIES BimmerLink requires a supported Bluetooth or Wi-Fi OBD adapter or cable. Visit bimmerlink.app for supported accessories and vehicle information. SUPPORTED VEHICLES Feature availability varies by model and equipment. - 1 Series, 1 Series M Coupé (2004+) - 2 Series, 2 Series Coupé, M2 (2013+) - 2 Series Gran Coupé (2020+) - 2 Series Active Tourer (2014+) - 2 Series Gran Tourer (2015+) - 3 Series, M3 (2005+) - 4 Series, M4 (2013+) - 5 Series, M5 (2003+) - 6 Series, M6 (2003+) - 7 Series (2008+) - 8 Series, M8 (2018+) - X1 (2009+) - X2 (2018+) - X3, X3 M (2010+) - X4, X4 M (2014+) - X5, X5 M (2006+) - X6, X6 M (2008+) - X7 (2019+) - XM (2022+) - Z4 (2009+) - i3 (2013+) - i4 (2021+) - i5 (2023+) - i7 (2022+) - i8 (2013+) - iX (2021+) - iX1 (2022+) - iX2 (2024+) - iX3 (2021+) - MINI (2006+) - Toyota Supra (2019+)
TuneBoss ECU
This application is for advanced users and requires a specific TuneBoss ECU unit (sold separately). It is designed for use with authorized tuning centers and comes with a disclaimer for use at your own risk.
- Requires TuneBoss ECU unit
- For advanced users
- Support for authorized tuning centers
- Use at own risk disclaimer
Read full descriptionHide full description
IMPORTANT: FOR ADVANCED USERS ONLY. USE AT OWN RISK. Support provided for TuneBoss Authorized Tuning Centers Only. This application requires a 2022 manufactured (and above) TuneBoss ECU unit (sold separately)
Screenshots
Verdict
The clearest difference is rating: BimmerLink at 4.7 against TuneBoss ECU's 3.5. BimmerLink also leads on ratings volume (9.1K vs 2) and review sentiment (53% vs 41%). TuneBoss ECU's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. BimmerLink sells 2 one-off in-app purchases. TuneBoss ECU asks for nothing beyond the download.
BimmerLink holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: BimmerLink has 9.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 53% of BimmerLink's written reviews are positive against 41% of TuneBoss ECU's.
BimmerLink ships an update every 4 weeks, TuneBoss ECU every 2 weeks. Both last shipped on September 26, 2026.
| Parameter | BimmerLink | TuneBoss ECU |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (9.1K ratings) — better | 3.5 (2 ratings) |
| Positive reviews | 53.1% of reviews — better | 40.6% of reviews |
| Number of ratings | 9.1K — better | 2 |
| Update frequency | Every 4 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #129 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 131 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | SG Software GmbH & Co. KG | FSR Technology |
Customer experience
BimmerLink
TuneBoss ECU
Bugs and requests
BimmerLink
Reported bugs
4 issues- Unable to connect to OBD adapter
- Fails to clear error codes
- Battery registration not working
- Sensor values not updating properly
Requested features
5 requests- Add support for more BMW models
- Improve exhaust flap control functionality
- Add option to change units (Celsius/Fahrenheit, MPH/KPH)
- Improve CarPlay integration
- Add more customization options for dashboard
TuneBoss ECU
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BimmerLink
- CarPlay Add-On$9.99
- BimmerLink full version$39.99
TuneBoss ECU
No in-app purchases








