$457.00
* +4% Order Processing Fee applies. No extra payment service fees.
HP Tuners MPVI3 for car chip-tuning
HP Tuners MPVI3 is a modern device for diagnosing and tuning the electronic control systems of cars. It supports a wide range of models and provides access to engine and transmission settings, allowing optimization of vehicle performance. With MPVI3, you can read and clear error codes as well as adjust key parameters to increase power and fuel efficiency. The Bluetooth connection and user-friendly software make the process quick and easy for both beginners and professionals.
MPVI3 sets a new standard in data logging, offering users access to the enhanced Pro Feature Set. This includes standalone data logging and compatibility with PROLINK+ (sold separately), unlocking limitless possibilities for your new device.
With MPVI3, you get not only faster standalone data logging but also twice the storage capacity compared to previous models. This allows you to log more runs and save more calibrations without the need for a laptop.
Key Features of MPVI3:
- Wide Vehicle Support – Compatible with a wide range of vehicles, from cars to trucks and SUVs.
- Diagnostics and Calibration – Ability to read and clear error codes, and adjust engine and transmission control parameters for maximum performance.
- Increased Speed and Power – A fast processor and modern electronics ensure instant response and high calibration accuracy.
- Bluetooth 5.0 – Convenient wireless connection via the HP Tuners app on your smartphone or tablet.
- VCM Editor and VCM Scanner Technology – A complete set of tools for calibration editing, real-time parameter monitoring, and data analysis.
- High-Speed USB-C – Data transfer rate of 4 MB/s ensures fast and efficient data processing.
Why Choose MPVI3?
- Intuitive Interface – Easy setup and user-friendly control for users of all levels.
- Regular Software Updates – Support for new car models and expanded functionality through ongoing software updates.
- Flexibility and Versatility – Ideal for both enthusiasts looking to tune their vehicle and professionals working in tuning on a regular basis.
Important:
This function is available only on certain BMW engines and is NOT applicable to other vehicle brands.
The information below applies only to stock engines with factory ECU software and a standard exhaust system.
What This Parameter Actually Represents
This is NOT a direct measurement of fuel octane and is NOT a direct octane reading calculated by the ECU.
The value is an adaptation factor ranging from 0 to 1, where:
- 0 = no correction
- 1 = maximum correction
According to BMW’s internal definition:
Faktor adaptierte Kraftstoffqualität (0 = ROZ98 / 1.0 = ROZ91)
- 0 corresponds to 98 ROZ
- 1.0 corresponds to 91 ROZ
ROZ is the German equivalent of RON (Research Octane Number).
The device converts this multiplier into a more intuitive octane value for user convenience.
⚠️ The device does not measure anything itself.
It only displays the data provided by the engine control unit (ECU).
How the ECU Evaluates Fuel Quality
Each ECU has different calibration sensitivity:
- Sensitivity to the adaptation factor
- Sensitivity of the knock control system
Fuel quality is evaluated subjectively by the ECU, primarily based on:
- Knock ignition timing corrections
- Overall engine noise levels
BMW G-Series & LCI F-Series (B-Engines)
B38 / N63 / S63 / N74
These engines are highly sensitive to octane adaptation.
- During warm-up and cruising, the displayed octane may frequently drop to 95 or lower.
- This does NOT automatically indicate poor fuel quality.
- Under load, the value should increase.
⚠️ If the value continues to decrease under load, this may indicate a problem.
B46 / B48 / B58
These engines have low sensitivity.
- During cruising, octane will typically display maximum values even with mediocre fuel.
- Under load, the value will decrease if fuel quality is truly poor.
S58
Octane correction is virtually inactive.
- It will typically always show 98.
- If it drops below 98, fuel quality is genuinely very poor.
BMW F-Series (Pre-LCI) with N/S Engines
Most pre-LCI F-series ECUs do not calculate octane adaptation.
Do not expect this parameter to function.
S55
- Octane parameter not used by the system
- Display not supported
- However, display of the last 5 refueling quality events is supported
S63
- Octane parameter not used
- Display not supported
- Refueling quality display not supported
BMW E-Series
Octane parameter not available. Display not supported.
Important Notes About Tuned Vehicles
With modified hardware or custom tuning, behavior may vary significantly. Always consult your tuner regarding expected operation.
Key principles:
- If octane drops under load, it means fuel quality is worse than expected under those conditions.
- This does NOT automatically mean the fuel itself is bad.
Examples:
- If a tuner increases ignition timing and boost pressure, even good fuel may cause knock corrections, and the ECU may interpret it as poor fuel.
- Thin-walled or poorly mounted exhaust systems may create parasitic noise, which the ECU may interpret as engine knock, causing negative correction.
- Conversely, if knock sensitivity is reduced or octane correction is disabled in tuning, readings may appear ideal while actual engine safety is compromised.