Just Performance

Just Performance

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08/08/2025

NEW mhd tuning update:

UPDATE to B58O1 maps (boost control and timing adjustments. We also updated S63 F9x maps (load limiters, boost control)

A torque limiter was fixed on 45e hybrid cars preventing the hybrid boost to kick in fully.

To get latest maps and bug fixes simply update app and flash again.

Full range of mhd products
https://www.just-performance.co.uk/ecu-remaps/mhd-tuning/mhd-tuning-super-license

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♦️ v5.06 ♦️
✓ Updated Gen2 B58 O1 OTS maps: improved boost control (all maps), more timing and load for the 95oct & e40 maps.
✓ Updated S63 F9x OTS maps: adjusted load limiters, improved boost control.
✓ Fixed a torque limiter issue with hybrid (PHEV) B58tu M1 engines (45e vehicles).
✓ Generate update bin now also exports the corresponding prefilled mapswitch base file.
✓ Fixed missing TCU logging channels on some vehicles.
✓ Fixed various app bugs / crashes.
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MHD+ S58 & B58: Real Time Tuning - Advanced TCU & DME logging - On The Fly Map Switching - On The Fly Exhaust Flap Control - Anti Lag - Flex Fuel - KnockCEL - No Lift Shift - Overrun Brap - Single Bank - Full Motiv ReFlex 2 Way CANBUS integration with DME PI control - Advanced Safeties and custom Boost Control - Quickest Flash Times - Most Advanced B58 & S58 Tuning and Logging Solution
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