Audi S4 2.2 20V 1991 169.2 kW Bosch HW 551A SW 87c64 Stage1 / Stage2

Audi S4 2.2 20V 1991 169.2 kW Bosch HW 551A SW 87c64 Stage1 / Stage2

Ready-to-use ECU tuning file (Stage1 / Stage2) for Audi S4 2.2 20V 1991 with Bosch engine control unit, hardware number 551A and software number 87c64. The package contains the original (stock) ECU file and the modified file, so you can compare them and always return to the factory state.

ECU and vehicle data

Files in this package

• Audi_S4_2.2_20V__1991_Turbo-Benzin___169.2KWKW_Bosch_551A__87c64_9F3A.Original (8 KB) – original (stock) file
• Audi_S4_2.2_20V__1991_Turbo-Benzin___169.2KWKW_Bosch_551A__87c64_A051.Stage2 (8 KB)
• Audi_S4_2.2_20V__1991_Turbo-Benzin___169.2KWKW_Bosch_551A__87c64_C01C.Stage1 (8 KB)

Before you buy

Check that the hardware (HW) and software (SW) number of your ECU match the numbers above. The file is written for exactly this software version. Use a professional ECU tool to read and write the file and make a full backup of your original ECU first. Recommended for experienced tuners and workshops.

Delivery

After payment you receive a download link (ZIP archive) by email.

Note: This product is sent to the email address you provide with your order (digital delivery, no physical shipment). In case of any problem, contact us at prodaja@fromserbia.rs.