XHP flash for 8HP50 Gearboxes

Alex@Madnessmotorsport

BMWFanatics Advertiser
Official Advertiser
Morning Guys

Please see the release below from XHP. Madness Motorsport is an official vendor for XHP so if you have any queries please dont hesitate to ask. All XHP flashes are available for the 6 speed boxes too:smilebounce:


We are very proud to release the worlds first complete remap of the 8HP50 transmission, paired with the BMW B58 engine, found in M140i, M240i, 340i, 440i and others.

The BMW stock calibration was dialed down a bit compared to it's predecessor 8HP45 in the N55 cars and you can clearly feel the focus was on more comfort and also strongly influenced by various worldwide regulations. Working on this transmission was a total blast and the outcome is truly sensational to drive.

Here's a short list what you can expect:

- Added Gear Display in D-Mode
- Removed Torque Limiters
- Raised Line-Pressure mapping for high-input torque
- Less Torque Reduction and adjusted shift-timing and pressures during Sport+ shifting. Less boost loss under WOT
- Reconfigured DEC Logic, with similar logic as in M-Cars (access to more shifting-modes)
- Faster&harder shifting in M/Sport+, absolutely instant paddle response
- Very Strong blips on downshifts in M/Sport+ and S/Sport+
- Improved, more spontaneous Double-Downshifts (for example from 6th to 3rd gear or even 8th to 2nd gear)
- Automatic Shift-Mode upscaling under WOT (Trans chooses fastest shift mode on full throttle)
- Recalibrated Shift-Points in D Mode to improve throttle response
- No automatic upshifting in M/Sport+ setting
- DTC and DSC OFF activate the fastest shifting mode
- Launch Control improved (Adjustability to be added soon)
- Retains full ECO - Mode functionality including Coasting
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