Measured.
Mapped.
Mastered.
Professional ECU tuning, advanced 10Hz diagnostics and fleet efficiency solutions—delivered to your driveway, workshop or depot.

BH PERFORMANCE NI (Software & Tuning)
Our core business. Premium Stage 1, ECO Tuning, Fleet Solutions, and Software Fixes (Off-Road only).
DIAGNOSTICS
🔧 Recommended on ClickMechanicBook direct with Bart via WhatsApp for £70 (up to 50 mins deep diagnostics, zero platform fees), or use our verified ClickMechanic profile.
MECHANICAL REPAIRS (AutoHouse Group NI)
For physical mechanical faults or combined repair + tuning work, we route you directly to our trusted partners in Portadown.
Turn fuel spend into working profit
ECO tuning for vans and light commercial fleets focuses on usable torque, thermal efficiency and driver consistency. Existing customers typically target 10–15% fuel savings, depending on vehicle condition, routes and driving style.
Fleet saving calculator
Tell us about your vehicle
Send the make, model, year and engine details. BH Performance NI confirms compatibility and arranges a suitable mobile or appointment-based slot.