Knowledge base
Guides
Straight answers for tuning tools, licensing, sensors, and replacement engine computers. Start with the guide that matches what you are working on.
Mercedes ECU and engine computer guides
01 / DONOR MATCHING
How to Match Mercedes ECU Part Numbers
Identify Bosch, Siemens/Continental, and Delphi label numbers before buying a used engine computer.
02 / USED ECU
Can You Install a Used Mercedes ECU?
Learn why a used Mercedes engine computer is not plug-and-play and when cloning is the right solution.
03 / ME9.7
Mercedes Bosch ME9.7 ECU Cloning
Applications, part-number matching, mail-in workflow, and bench or BDM access for this common controller.
Tuning and reference guides
HP Tuners Video Guides
Add Universal Credits to an MPVI or RTD device, then read and save a stock file with VCM Editor.
HP Tuners Credits
Understand what credits license, how many your vehicle may need, and when to purchase them.
GM MAP Sensor Guide
Compare common GM 2-bar and 3-bar MAP sensors, part numbers, fitment, and calibration notes.
BMW DME and engine computer guides
BMW / DME matching
BMW DME Donor Part Number Matching
Use the manufacturer number, DME family, hardware revision or index, and BMW number to select a safe donor.
Mopar PCM & ECM replacement guide
Match a Dodge, Ram, Jeep, or Chrysler Module P/N, then choose the shortest path: VIN change, full clone, 2015+ unlock, or custom tuning.