BMW Custom Calibration (N54, N55, S55, B58, S58, including A90/A91 Supra)

Twisted Tuning Custom Tunes include 12 month support as long as our Tunes are being utilized.

******PLEASE INCLUDE FULL VEHICLE VIN, VEHICLE MODIFICATIONS, FUEL BEING USED AND TRANSMISSION TYPE IN THE NOTES SECTION OF YOUR ORDER, THANK YOU******

Once you complete your purchase for the custom tuning service from us.  So long as all the above requested information is given correctly, you will receive a base map from us as per your information you provided within 1-5 business days of your service purchase (Does not include weekends, on occasion it can take longer depending on current workload). This same time frame also applies to tune revisions

This base map is what will be used to begin tuning your car.  Along with the base map being sent you will also be sent with specific and pretty detailed instructions of what and how to datalog, to expedite and make your experience more pleasurable. All this is done via email, so ensure you use a valid email that you have good access to.

Any issues or questions please email us at: justin@twistedtuning.com

****NOTE:  Digital Products IE- ECU Tunes and calibrations are Non-refundable due to the nature of the Product.  Once Product is sent initially refunds are non-negotiable****