Remote Pro-Tuning for M-Tuner Calibration Suite (M840T)

We are now offering Remote Pro-Tuning for all customers who have purchased the M-Tuner Calibration Suite for M840T.

If you’re looking to extract every ounce of safe power from your McLaren, or have a parts configuration not covered in our map notes, we can now customize your calibration remotely or at our South Florida Dyno Facility.

What’s Included

• Pro-Tuning purchase is valid for one octane.

• Includes enabling of our M840T Motorsport Features Package at no extra charge.

• M-Tuner required for Pro-Tuning services.

Additional Costs

• $250 surcharge for McLarens with upgraded injectors or turbo systems (due to added complexity).

• Additional octane maps are available for $250 each.

• Dyno rental is highly recommended and, in most cases, required. Dyno rental costs are not included and must be arranged by the customer.

Liability Waiver

A liability waiver must be signed and emailed to us before tuning.
Download Waiver Here

Pro-Tune Service Disclaimer

Scheduling Notice

• Pro-Tunes must be scheduled in advance with at least 24 hours’ notice and must be approved by M-Engineering.

• The customer is responsible for scheduling with their dyno facility.

Business Hours

• Tuning hours: Monday–Friday, 9 AM–6 PM ET.

• If tuning extends beyond business hours, a new day must be scheduled and purchased separately.

Mechanical Issues

• If issues arise, tuning will pause until repairs are complete.

• A new date must then be scheduled and approved.

Punctuality Policy

• If a session is over 1 hour late, the Pro-Tune will be canceled.

• Must be rescheduled and repurchased. No refunds for late or missed appointments.

Rescheduling Policy

• Must be requested with at least 24 hours’ notice to avoid repurchasing.

Delays Policy

• Purchase covers up to 7 hours of tuning time.

• Up to 2 reschedules allowed if delays are outside of M-Engineering’s control.

• Providing 72+ hours’ notice does not count against this policy.

• Any further rescheduling or excessive delays will incur a $1,000 fee per instance.

Disclaimer

• Customer accepts all risks and responsibilities for tuning and added features.

• If the purchaser is not the end-user, it is their responsibility to notify the vehicle owner of risks.

• M-Engineering is not liable for voided warranties.

Return Policy

• All sales are final, non-refundable.

• Calibrations are tailored for individual vehicles.

• Not liable for misuse, installation errors, or mechanical issues.

• End-users are responsible for vehicle maintenance, proper installation of aftermarket parts, and keeping vehicles updated with manufacturer TSBs.

• Remote diagnostic support is provided to the best of our ability.