Stage 1
Stage 1 · Diesel · 2.0 TDI CR 140hp
Audi Q3 2.0 TDI CR Stage 1 file Bosch · 03L906018CM · SW 521662
Audi Q3 2.0 TDI CR Turbo Diesel 103 kW (140 HP)2012, Turbo diesel, 103 kW (140 hp)
140 → 185 HP +45 HP +90 Nm 32% more power
Calibrated ECU file for 03L906018CM (SW 521662). Checksum-corrected, ready to flash. Delivered instantly via secure download after payment.
Performance projection
Matched engine: 2.0 TDI CR 140hp, CFFB, 2L, Diesel. Engine #559 in our gains database.
- Power
- 185 HP+45 HP from 140
- Torque
- 410 Nm+90 Nm from 320
- Fuel economy
- −8 %−12% full load
Real data from Gains API. Dyno curve = typical ECU-family projection. Final gains depend on fuel, altitude, wear.
How it works
-
Read your ECU
With KESS, KTAG, AutoTuner or Flex. Keep the read: it is your way back.
-
Match the numbers
Your read must show hardware 03L906018CM and software 521662.
-
Pay and download
Card, Apple Pay or Google Pay. The file is in your account straight away.
-
Write it and drive
Write it back the way you read it. Not right for your car? We correct it free.
What the car needs
Required modifications: Stage 1, Diesel.
Hardware
- No hardware changes required: runs on completely stock hardware
Software / calibration
- Boost pressure optimised within factory turbo limits
- Injection timing & quantity remapped
- Smoke / EGT limiters refined
- DTCs left intact, factory safeties preserved
Stage 1 is a software-only calibration. Compatible with stock turbo, injectors, intercooler, exhaust and clutch.
Product details
This product contains a calibrated Stage1 tuning file for Audi Q3 2.0 TDI CR 2012 Turbo-Diesel 103KW with Bosch 03L906018CM and software ID 03L906018ES (Bosch software number 521662 ( 1037521662 )). The base stock vehicle for this calibration has a factory output of around 103 kW (~140 HP). This Stage 1 calibration is designed for stock hardware, offering a safe and reliable increase in power and torque for daily use.
All ECU tuning files from TUNING-DATABASE are prepared for professional use. They are useful whenever you search by ECU ID, hardware or software number such as 03L906018CM, 03L906018ES, 521662 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.
6C2CA552 F5795FC6 08E4283B 8DD05C94 DEB046D5 88587C86 E5BE3BE1 72DA5EF2Frequently asked questions
How do I flash this file?
Use your preferred tuning tool (KESS, KTAG, AutoTuner, CMD, etc.) to write the file to the ECU via OBD, bench, or boot mode.
Is the checksum corrected?
Yes. Every file we sell has verified checksums — ready to flash without additional correction tools.
What if I need a revision?
Contact us via WhatsApp or the support dashboard. Revisions for the same stage are free.