How we
actually diagnose.
A diagnostic is not "plugging in a scanner." Done correctly, it is a structured six-step procedure that ends with a written report and a fixed-price repair quote. Here is exactly what happens when you bring your car in.
VIN-locked intake
We pull your vehicle by VIN against the manufacturer database. Build sheet, options, recalls, and TSBs are flagged before we even touch the car.
Full-vehicle scan
Every control module is scanned with the manufacturer software — not a $200 generic OBD scanner. Stored, pending, and historic codes from every system.
Live data verification
Codes alone lie. We verify with live data — fuel trims, sensor voltages, pressure readings, adaptation values — to confirm the actual fault, not just its symptom.
Written report + quote
You receive a written report listing every fault, the affected system, the recommended action, OEM part numbers, and a fixed-price quote. No verbal estimates.
Repair on approval
Nothing is touched until you approve in writing. Repairs happen with OEM-spec parts. Programming and adaptations are completed and verified.
Verification scan
Post-repair, the same diagnostic scan is run again to confirm no new codes, all adaptations cleared, and the system shows green across the board.
A bad diagnostic is the most expensive thing about owning a German car.
A misdiagnosis means parts that didn't need replacing, labor that didn't need doing, and the original fault still there waiting to come back.
The whole point of factory diagnostic software is that it ends the guessing. That's what you're paying us for, and that's what we deliver.