Audi A8 2003 - D3

The Audi A8 2003 - D3 has 9 engine variants in our catalogue, from 211 to 450 hp stock; our Stage 1 files add 20 to 69 hp depending on the engine.

ECU read in our jobs on this generation: Bosch -.

Engine	Fuel	ECU	Stock	Stage 1	Gain
3.0 TDI 211hp BNG	Diesel	-	211 hp / 450 Nm	280 hp / 575 Nm	+69 hp / +125 Nm
3.0 TDI 233hp ASB	Diesel	Bosch -	233 hp / 450 Nm	280 hp / 575 Nm	+47 hp / +125 Nm
3.2 FSI 260hp BPK	Petrol	-	260 hp / 330 Nm	280 hp / 355 Nm	+20 hp / +25 Nm
4.0 TDI 275hp ASE	Diesel	-	275 hp / 650 Nm	330 hp / 770 Nm	+55 hp / +120 Nm
4.2 FSI 350hp BVJ	Petrol	-	350 hp / 440 Nm	375 hp / 465 Nm	+25 hp / +25 Nm
4.2 TDI 326hp BMC	Diesel	-	326 hp / 650 Nm	380 hp / 880 Nm	+54 hp / +230 Nm
4.2i 335hp BFM	Petrol	-	335 hp / 430 Nm	355 hp / 450 Nm	+20 hp / +20 Nm
6.0i W12 BHT	Petrol	-	450 hp / 580 Nm	475 hp / 610 Nm	+25 hp / +30 Nm
S8 5.2 FSI 450hp BSM	Petrol	-	450 hp / 540 Nm	475 hp / 565 Nm	+25 hp / +25 Nm

What our workshop has handled

ECU encountered

Bosch -

Reference read from our jobs; it does not have a detailed page on the site yet.

Options delivered

Read from our jobs on 16 October 2026

Professional file service. Send us the original read and we return a calibrated file, usually within the hour.