VMAX Off – speed limiter removal in the ECU software
Software removal or adjustment of the top speed limiter (VMAX Off, Vmax delete) in the engine control unit for supported applications.
The limiter is removed or set to the requested value within the limits of the ECU software. The file is prepared for the exact software and hardware version.
Requests are submitted from a DR-files account. If you are not signed in, you will be asked to sign in or register first. The selected service is kept.
Service details
The tyre speed rating, the intended use and the vehicle configuration are checked before the file is prepared. If the modification does not match the vehicle configuration, the request is returned with an explanation.
Required information
- Vehicle manufacturer, model, year and engine code
- ECU manufacturer, hardware and software number (if known)
- Complete original file read from the control unit, the tool and the read method used
- Requested limiter value (or full removal) and the tyre speed rating
Typical workflow
- 01Choose the service and enter the vehicle and control unit details.
- 02Upload the original file.
- 03Fixed prices are charged from your credits when you submit; other prices are confirmed in the request and charged when you accept them.
- 04The file is prepared and delivered in your account.
Technical notes
- The fixed price in credits is deducted when the request is submitted. The file is prepared for the exact software version and checked before delivery.
- Some vehicles also have a speed limiter in the TCU or in other modules; in that case we inform you in the request.
Frequently asked questions
Can VMAX Off be combined with Stage 1?
Yes. The speed limiter removal can be prepared in one file together with a Stage 1 or Stage 2 calibration; state both services in the request.
What is needed for the request?
The complete original file read from the control unit, the hardware and software number and a description of the required function. You select the service when uploading the file and see the price in credits before submitting.
Ready to submit your first file?
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