
Sayf Baccouche
WinOLS ECU Tuning and Fuel Optimization Expert
Skills

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Portfolio
Work experience
mechanic car
Auto tech • Full-time
Mar 2020 - Present • 6 yrs 2 mos
I provide high-quality ECU file tuning focused on performance, safety, and reliability. With solid experience in custom ECU remapping, I deliver optimized and tested files tailored to each vehicle. My services include Stage 1 performance tuning, torque and throttle optimization, fuel and ignition map calibration, DTC off, EGR/DPF solutions, and custom Pop & Bangs. Every file is carefully adjusted to ensure smooth driving, engine protection, and noticeable performance gains. Customer satisfaction and clean, stable results are my top priorities.
13 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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cashima2400

United Kingdom
I can’t lie I bought a car with you when you sent me it and I’m happy with it. I was shocked you took abit of time but you came through good happy
fatihtoprakkale

Denmark
DIdnt meat my kritear at all AI could do a better job...
mambament

United States
Seller's Response
patrickpro731

United States
so I had him tune my Toyota MR2 with a 2grfe and he was very quick and responsive. it is utilizing a haltech ECU. I sent him over the current file on the car and when he sent me over the new file I verified that changes were made by comparing the maps. still currently working on it but I have high hopes.

j_assis

Brazil
Everything went smoothly from start to finish. The map turned out very good, with noticeable improvements, and works perfectly. He has solid technical knowledge and understands ECU tuning very well. I highly recommend him and would work with him again.

