Tuning file Buick Rainier (2004 - 2007) 4.2 V8 279hp

EQ Software is leading in the development of Buick Rainier 4.2 V8 279hp tuning files. The development of each Buick Rainier 4.2 V8 279hp tuning file is the result of perfection and dedication by EQ Software programmers. The organization only uses the latest technologies and has many years experience in ECU remapping software. Many (chiptuning) organizations around the globe download their tuning files for Buick Rainier 4.2 V8 279hp at EQ Software for the best possible result. All Buick Rainier 4.2 V8 279hp tuning files deliver the best possible performance and results within the safety margins.

• 100% custom made tuning file guarantee;
• Tested and developed via a 4x4 Dynometer;
• Best possible performance and results, within the safety margins;
• Reduced fuel consumption.