Audi A6 55 TDI 349 hp — Stage 1 file (+41 hp)
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Stage 1 file for Audi A6 55 TDI 349 hp
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Chip tuning for Audi A6 55 TDI 349 hp ECU
Audi A6 (2018 - C8) 55 TDI 349 hp — premium diesel engine of the passenger segment of the Volkswagen Group (VAG) group (Германия, 1909). Stage 1 chip tuning raises power from 349 to 390 hp (+41 hp, +12%) and torque from 700 to 780 Nm (+80 Nm). ECU — Bosch MD1CP004. Flashing method: OBD or Bench depending on the unit's protection. A modern diesel built in 2018 — a generation with encrypted firmware (Tricore TPROT) that often requires a Bench read.
Audi is part of the Volkswagen Group (VAG), Europe's largest automotive group. Audi Sport is Audi's performance division, building the RS models. Audi shares platforms with Volkswagen, Porsche, Bentley and Lamborghini within VAG. The Audi diesel range is fully unified with Volkswagen, Skoda and Seat within VAG. On modern Audi diesels, the Tricore TPROT protection often requires a Bench read. The MQB platform lets a single calibration cover Audi/VW/Skoda/Seat.
The Audi community is renowned for its active tuning scene and a huge library of available Stage files. Within the VAG group, ECUs are standardised, so a single file often fits a dozen models across Audi/VW/Skoda/Seat. APR and Revo are the leading tuning brands for Audi, right up to Stage 1+. Audi S models are the milder performance step between the standard cars and the RS range. The premium Audi segment runs a high-output platform with Stage 2 potential. High-output Audi engines sit in the premium segment, with solid headroom for Stage 1.
Frequently asked questions
How much does the power of the Audi A6 55 TDI 349 hp increase after Stage 1?
The Stage 1 gain for the Audi A6 55 TDI 349 hp is 41 hp (+12%) over the stock 349 hp, for a total of 390 hp. Torque rises from 700 to 780 Nm (+80 Nm).
What is Stage 1 chip tuning for the Audi A6?
Stage 1 chip tuning of the Audi A6 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +41 hp with no hardware changes.
Is Stage 1 safe on the high-output Audi A6 55 TDI 349 hp?
The high-output Audi A6 55 TDI 349 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.
How much does Stage 2 add on the Audi A6?
Stage 2 on the Audi A6 55 TDI 349 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Which ECU is fitted to the Audi A6 55 TDI 349 hp?
The Audi A6 55 TDI 349 hp ECU is the Bosch MD1CP004. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
What happens to the Audi A6 warranty after chip tuning?
The factory warranty of the Audi A6 does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Audi A6 take?
On the Audi A6 55 TDI 349 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Audi A6?
Yes, the original ECU firmware of the Audi A6 55 TDI 349 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Audi A6?
Stage 1 for the Audi A6 55 TDI 349 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.