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ECU
The Magneti Marelli IAW 4GV is an engine control unit made by Magneti Marelli. It belongs to the Magneti Marelli IAW Legacy family. It is a classic petrol ECU of an older design: small gains on naturally aspirated engines, much more on turbos. In our catalogue it is fitted to vehicles from model years 2003–2013. Used in 9 engine variants from Volkswagen.
Guide values for Stage 1 on stock hardware. Your vehicle’s product page shows the exact figures.
Visit us on site, or just send in the ECU. The work is identical, and so is the price.
Price for the software calibration. It depends on power, model year and access (OBD or bench/boot); your vehicle’s product page shows the exact price.
Vehicle variants
Open your vehicle’s page with power, stages and price. (7 models · 9 variants)
Pick brand, model and engine, and the configurator shows power, stages and price for your vehicle.
Open configuratorFAQ