Cart Continue shopping “BMW X3M ECU Software Upgrade (Includes ECU Unlock)” has been added to your cart.Remove itemThumbnail imageProductPriceQuantitySubtotal × BENTLEY CONTINENTAL GT Speed Custom In-House Dyno Tuning $4,279.99 BENTLEY CONTINENTAL GT Speed Custom In-House Dyno Tuning quantity $4,279.99 (incl. tax) × BMW X3M ECU Software Upgrade (Includes ECU Unlock) $2,674.99 BMW X3M ECU Software Upgrade (Includes ECU Unlock) quantity $2,674.99 (incl. tax) Coupon: Apply coupon Update cart Cart totalsSubtotal$6,954.98 (incl. tax)Service / Financing / Processing$297.67Total$7,252.65 (includes $474.47 Tax)- Proceed to checkout