MHD
MHD Tuning
Official UK stockist
// Flash tuning in your pocket
MHD flash tuning for BMW
The app that changed BMW tuning. Flash OTS maps, log and monitor your N54, N55, B58 or S55 from your phone — licences and custom-tune backends supplied here, ready to pair with our in-house mapping.
Speciality
BMW flash tuning
Origin
Digital / worldwide
Established
2016
Warranty
Lifetime updates
MHD
// The story
About MHD Tuning
MHD brought ECU flashing to the phone in your pocket: read, flash, log and monitor supported BMW platforms over a simple adapter. Off-the-shelf stage maps get you moving; the custom backend pairs with a tuner — like our in-house ECU service — for maps built to your hardware.
What makes MHD Tuning different
No bench, no laptop, no shipping your ECU: MHD flashes in minutes and keeps your original file safe. Combined with our KESS V3-equipped tuning service, it’s the cleanest route from stock to staged on the modern BMW range.
Fitment & compatibility
Every MHD Tuning part we list is confirmed against your exact chassis and engine code before it ships. Use the vehicle lookup to see only the MHD Tuning hardware that fits your car.
MHD Tuning — frequently asked
Is Unchained an official MHD Tuning dealer?
Yes - Unchained is an official UK stockist of MHD Tuning. Every part is genuine, warranty-backed and shipped direct from our UK warehouse where available.
What warranty comes with MHD Tuning products?
Warranty coverage can vary by part, but the section settings let you show the exact promise you want customers to see.
How long does delivery take?
Use this answer to set your current dispatch and delivery promise for in-stock and special-order items.
Which cars does MHD Tuning support?
Add fitment and collection blocks for every supported platform so customers can jump straight to the right range.
// Browse the range
MHD Tuning parts by vehicle
A dedicated page for MHD Tuning parts on every platform we cover.