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Smart Forfour Performance Chips, Programmers & ECU Tuning
Smart Forfour
Select a year and vehicle configuration to see matching parts.
Performance Chips, Programmers & ECU Tuning for Smart vehicles
Use your Smart model, production year, trim and engine to check compatibility. Matching a make alone does not establish fit.
Where available, compare OE cross-reference numbers, dimensions and compatibility notes on the product page before ordering.