
Sess Performance · Powertrain, software, and dyno programs
Performance engineering with a documented build path
From baseline health checks to ECU and TCU calibration, each performance program is scoped around the vehicle, intended use, supporting hardware, and measurable outcome.
Stage 1 · Stage 2 · Hardware buildsPrograms
ECU and TCU calibration
Software calibration for VAG, BMW, and Porsche platforms with pre-tuning diagnostics and post-calibration checks.
- Baseline health scan
- Custom boost and fueling strategy
- DSG and S-Tronic shift calibration
Hardware-supported builds
A staged route for intakes, intercoolers, downpipes, braking, and suspension upgrades matched to the calibration plan.
- Component compatibility review
- Heat and reliability planning
- Road or dyno validation
Projects and outcomes

Dunamis S5 build
An in-house Audi S5 performance project used to document the relationship between calibration, supporting hardware, and drivability.
A staged build plan with documented diagnostics, calibration targets, and hardware upgrade priorities.


SESS performance stage 2 kit is engineered for the BMW G30 B 48 platform, delivering sharper throttle response, increasing performance , and an exhilarating driving experience
The stage 2 kit includes: 🔥performance air intake 🔥High flow down pipe 🔥performance condenser upgrade 🔥SESS stage 2 ECU Tune Optional upgrade: 🔥full Titanium Valved Exhaust-The perfect sound track to match your performance This package is available for all BMW models powered by the B48 engine including: ✅BMW 120i / 125i(F40) ✅BMW 220i / 230i (G42/F22) ✅BMW320i / 330i (G20/F30) ✅BMW 420i / 430i(G22/G26/F32/F36) ✅BMW 520i/530i (G30) ✅BMW X1 20i (F48/U11) ✅BMW X2 20i (F39U10) ✅BMW X3 20i/30i (G01) ✅BMW X4 20i/30i (G02) ✅BMW Z4 20i/30i (G29)








