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  • The Visconti S58/B58 Integration Harness is the primary harness from our ReFlex+ kit. It is designed to integrate the Flex Fuel Sub Harness, Injector Harness, and Engine Harness into the ReFlex+ controller. It provides a clean and reliable connection point for all required I...
    Regular price $300.00
    Regular price Sale price $300.00
  • If you are looking to get the most out of your BMW B58 car with stock, upgraded stock turbo, or even single turbo kits then a custom tune is for you. Let our BMW calibration experts work 1-on-1 with you to help customize your...
    Regular price From $575.00
    Regular price Sale price From $575.00
  • Delivery notice: MHC products CAN take up to 3 weeks to arrive from Great Britain.Optional USA import coverage: Select all VAT/duties covered to add 10% to the product price. Kies/MHC will cover all import charges for delivery to the USA, with nothing further due...

    MHC products CAN take up to 3 weeks to arrive from Great Britain.

    Regular price From $450.50
    Regular price $530.00 Sale price From $450.50
  • BMW B58 (Gen 1 / Gen 2 / Gen 3) – EPA-Compliant 400 Cell Catted Downpipes Engineered for the B58 Turbocharged Inline-6 • High-Flow • Compliant • Introducing Our NEW 400 Cell EPA-Compliant Downpipes for the B58 Platform Across every generation, the B58 turbocharged...
    Regular price From $1,249.99
    Regular price $1,249.99 Sale price From $1,249.99
  • DME Tuning ECU calibration for BMW 740xi 2024. Select the stage that matches your vehicle and installed hardware.Tuning stages Calibration Horsepower (HP) Torque (TQ) Hardware / configuration Factory 335 332 Factory calibration Stage 1 420 447 Stock exhaust Stage 2 450 475 Downpipes Required...
    Regular price From $1,399.00
    Regular price Sale price From $1,399.00
  • DME Tuning ECU calibration for BMW 740xi 2023. Select the stage that matches your vehicle and installed hardware.Tuning stages Calibration Horsepower (HP) Torque (TQ) Hardware / configuration Factory 335 332 Factory calibration Stage 1 420 447 Stock exhaust Stage 2 450 475 Downpipes Required...
    Regular price From $1,399.00
    Regular price Sale price From $1,399.00
  • DME Tuning ECU calibration for BMW 740i 2024. Select the stage that matches your vehicle and installed hardware.Tuning stages Calibration Horsepower (HP) Torque (TQ) Hardware / configuration Factory 335 332 Factory calibration Stage 1 420 447 Stock exhaust Stage 2 450 475 Downpipes Required...
    Regular price From $1,399.00
    Regular price Sale price From $1,399.00
  • DME Tuning ECU calibration for BMW 740i 2023. Select the stage that matches your vehicle and installed hardware.Tuning stages Calibration Horsepower (HP) Torque (TQ) Hardware / configuration Factory 335 332 Factory calibration Stage 1 420 447 Stock exhaust Stage 2 450 475 Downpipes Required...
    Regular price From $1,399.00
    Regular price Sale price From $1,399.00