Audi A4 1.8T original file Bosch ME7.5 HW 0261204897 · 4B0906018K · SW 350204

This is the factory calibration of the 2002 Audi A4 1.8T (110 kW, 150 hp), for its Bosch ME7.5 ECU with hardware 0261204897, part number 4B0906018K and software 350204 (1037350204). Use it to put the car back to standard, to recover the ECU after a failed write, or as the base of a tune of your own.

An original holds every map as the factory wrote them: ignition, fuelling, boost and the torque limits, the speed limiter and the emissions controls. Tuners start a file from it; workshops use it to put a car back to standard.

The Audi A4 1.8T carries the 1.8T engine, 150 hp and 210 Nm from the factory. On this engine, Stage 1 usually gives about 195 hp and 290 Nm (+45 hp, +80 Nm); Stage 2 usually gives about 210 hp and 325 Nm (+60 hp, +115 Nm). Typical figures for a healthy engine: your car's own result depends on its condition, fuel and parts.

For software 350204 of the Audi A4 1.8T we sell the original, Stage 1, Stage 2 and Stage 3. Stage 2 and Stage 3 each come in two versions, tuned from different reads of this software. Every file downloads straight after payment.

The Bosch ME7.5 ECU in this car is read and written over OBD and on the bench, with tools such as Alientech KESS3, Alientech K-Tag, MagicMotorsport FLEX, CMD Flash, Dimsport NewGenius and Dimsport New Genius. Keep your own read: compare its hardware and software numbers with the ones on this page before you write the file.

Catalyst off, DTC off, speed limiter (Vmax) off, pops and bangs and anti-lag can be built on this file on request, for off-road and competition use: send us your read through our file service and our engineers add them (any file £50, from £30 in packs).

Hardware 0261204897 is the number on the Bosch ECU's label. Software 350204 (1037350204) is the calibration inside it: a read with hardware 0261204897 and another software number needs a different file. Part number 4B0906018K is the car maker's number for this ECU.