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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > f36 440i with Mhd and Xhp
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      04-22-2026, 01:35 AM   #1
vadim.mst
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Drives: 440i f36 Mhd&Xhp
Join Date: Apr 2026
Location: Spain

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f36 440i with Mhd and Xhp

Hello.
I have flashed a stage2+ MHD at a f36 440i with TU pump, at the Ak motion it showed with 98RON(93okt USA) gasoline 480-490HP.
Later i have discovered that the car its also xHP flashed by the previous owner, and I have reflashed it again with the Xhp gearbox option marked by MhD flashing.
Now it shows max 440hp and it feels also slower than before.
I have all torque limiters at 1200nm at xhp and it shows anyways less power and its slower than without the Xhp option marked at Mhd.
Does anybody haved the same experience?
I dont know if I should leave it with xhp option marked or without it.
Also wich would be the best Xhp config for a stage2+ mhd togheter with stage2 xhp, does anybody have a list of the xhp config?
Thank you
Appreciate 0
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