At Middlefield Foreign Auto, our ECU and TCU tuning services for European and JDM vehicles are designed to optimize engine and transmission performance for both daily driving and high-performance applications. Our expert technicians carefully calibrate engine control units (ECU) and transmission control units (TCU) to improve power delivery, throttle response, shift timing, and overall drivability. Our trusted partners at 034 motorsports, APR performance, IE engineering, ECS Tuning, and UniTronic insure the best performance and quality for our customers!

We take personal care with each customer’s vehicle, treating it with the attention and respect it deserves. By combining our in-depth knowledge of European and Japanese engineering with high-quality performance strategies, we deliver tuned vehicles that feel more responsive, efficient, and exciting to drive. Middlefield Foreign Auto ensures that every tuned vehicle performs at its peak while maintaining the integrity and durability of its critical systems.