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Audi A6 C5 1997 - 2004 bosch me7.1 ECU Remap & Tuning

Power 220 HP / 164 kW
Fuel Petrol
Version C5 1997 - 2004 3.0 v6 220hp (162kw) 300nm
Model year(s) 1997–2004
Audi A6

Vehicle

Make
Audi
Model
A6
Generation
C5
Model years
1997–2004

Powertrain

Engine
3.0 V6
Fuel
Petrol
Stock power
220 HP / 164 kW
Stock torque
300 Nm

ECU Identification

ECU
Bosch ME7.1
KESS3 Protocols
Dealer access required Register

Live ECU tuning for the Audi A6, with measured power and torque gains, a dyno preview, and the file options grouped into one focused page.

Original Tuned

* Estimated curve, illustrative only, not a measured dyno. Actual values will vary.

Stock Tuned Gain
Power (HP) 220 240 +20 (+9%)
Torque (Nm) 300 325 +25 (+8%)

Available tuning options

Performance 3

Tune

Towing | Power

Switchable Pops and Bangs This option is only available for VW / Audi MED9.1. Also you must disable and remove the Catalytic convertor from the vehicle or it may fail and prevent any audiable pops being heard.

Pops and Bangs You must disable and remove the Catalytic convertor from the vehicle or it may fail and prevent any audiable pops being heard.

Emissions & anti-pollution 6

EGR off petrol

SAI (secondary air injection)

Decat P0420 will be disabled and P0430 if dual cat.

DTC off You must clear codes before writing tuned file. Not required if DPF/EGR related and DPF/EGR selected.

Lambda / O2 sensor off

EVAP system off

Driveability & comfort 1

Cylinder on Demand off

Services, files & hardware 6

Clone ECU Must supply reads of original and new ecu's. Must bench read.

High flow turbo charger You must also select towing or power tune.

Send us your ECU Includes standard bench fee processing for 1 ECU and NZ return freight. Include a send in ECU form fully filled out with your ECU.

Return file to original

Immo off (If possible)

Checksum correction

Installation and process

Choose the tuning package that fits your goals, confirm the vehicle and ECU, and request your files. Alt Tune then guides the read, write, and verification steps for your selected vehicle — whether handled remotely with a supported flash tool or on the bench.

Support, safety, and trust

Vehicle condition, maintenance history, fuel quality, and intended use all affect results. We only publish gains we can support for the listed configuration, and we ask that you confirm suitability for your vehicle and application before ordering.

Frequently asked questions

01 Can the Audi A6 C5 1997 - 2004 bosch me7.1 be tuned?

This page describes an active entry in the Alt Tune catalogue. Which options apply depends on the control unit and the configuration actually fitted, and is confirmed after we review your file.

02 What gains can I expect?

This vehicle shows gains of up to +20 HP and +25 Nm over the factory figures. Real-world results vary with condition and fuel.