BMW Gx 740i 326 Stage 1 Custom ECU Remap

B58 tuning by Mike Ball

Developed and tested in house the More BHP Stage 1 remap is intended for vehicles with stock hardware running premium fuel.

Where possible, your car will be tuned to perfection on our rolling road, with a printout at the end to confirm the actual power and torque improvements.

IMPORTANT: Read more about the FEMTO UNLOCK required for BMW with build date 07/2020 onwards and select below if required.

Original Power
326 bhp
Remap Power
410 bhp
Original Torque
450 Nm (331 ftlb)
Remap Torque
600 Nm (442 ftlb)
Price:       £599.00
Femto unlock required ?
Auto gearbox remap required?
This helps us to check your order.

You can buy online here, we will then contact you to confirm your purchase and to arrange your appointment date and time.

Alternatively you can get in touch with us by phone or contact form to make arrangements and pay in person by cash or card.

Available for tuning sessions at MoreBHP HQ in Crewe. To purchase our remaps from one of our approved dealers please contact then directly.

Details and prices for stage 2 and stage 3 software available upon request.