Audi A4 40 TDI (2.0) 204 hp — Stage 1 file (+46 hp)
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Stage 1 file for Audi A4 40 TDI (2.0) 204 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Audi A4 40 TDI (2.0) 204 hp ECU
Audi A4 (2018 - B9-FL) 40 TDI (2.0) 204 hp — premium diesel engine of the passenger segment of the Volkswagen Group (VAG) group (Германия, 1909). Stage 1 chip tuning raises power from 204 to 250 hp (+46 hp, +23%) and torque from 400 to 480 Nm (+80 Nm). This engine ships with different ECU variants: Bosch MD1CP004, Bosch MD1CS004. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. A modern diesel built in 2018 — a generation with encrypted firmware (Tricore TPROT) that often requires a Bench read.
Audi is a premium manufacturer from Ingolstadt (Bavaria), founded in 1909 as Audiwerke August Horch & Cie. Audi's petrol range is badged TFSI, and the diesel range TDI. quattro is Audi's signature all-wheel-drive system, introduced in 1980. TDI is Audi's signature designation for direct-injection turbo diesels, in production since 1989. Audi S models with a diesel engine use an electrically driven compressor to eliminate turbo lag. The factory calibration of Audi diesels is conservative, leaving headroom for Stage 1.
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 horsepower does Stage 1 add for the Audi A4 40 TDI (2.0) 204 hp?
The Stage 1 gain for the Audi A4 40 TDI (2.0) 204 hp is 46 hp (+23%) over the stock 204 hp, for a total of 250 hp. Torque rises from 400 to 480 Nm (+80 Nm).
What is Stage 1 chip tuning for the Audi A4?
Stage 1 chip tuning of the Audi A4 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +46 hp with no hardware changes.
Is Stage 1 safe on the high-output Audi A4 40 TDI (2.0) 204 hp?
The high-output Audi A4 40 TDI (2.0) 204 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 A4?
Stage 2 on the Audi A4 40 TDI (2.0) 204 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Which ECUs are found on the Audi A4 40 TDI (2.0) 204 hp?
The Audi A4 40 TDI (2.0) 204 hp was fitted with different ECUs depending on the year and trim: Bosch MD1CP004, Bosch MD1CS004. The write method (OBD, Bench, Boot) is determined when the unit is read.
What happens to the Audi A4 warranty after chip tuning?
The factory warranty of the Audi A4 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 A4 take?
On the Audi A4 40 TDI (2.0) 204 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 A4?
Yes, the original ECU firmware of the Audi A4 40 TDI (2.0) 204 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 A4?
Stage 1 for the Audi A4 40 TDI (2.0) 204 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.