MS42 / MS43 / MS45 Custom N/A Calibration — M52TU / M54

Custom Bespoke Calibration for BMW Siemens MS42, MS43, and MS45-equipped naturally aspirated engines.

Designed for OEM+ drivability, modified street cars, track applications, endurance-style setups, and high-compression naturally aspirated builds.

Supports:

• Stock engines
• Headers and exhaust setups
• M50 manifold conversions
• N54 intake manifolds
• Camshafts
• Alpha-N configurations
• E85 naturally aspirated setups
• Manual swap coding
• Emissions component removal

Included With Calibration

• Up to 2–3 hours of scheduled calibration time
• Fuel, ignition, VANOS, and drivability optimization
• Live revision support during scheduled session
• One follow-up refinement session if required and vehicle configuration remains unchanged

Vehicle Readiness Requirement

Vehicle must be mechanically sound prior to calibration appointment.

Mechanical issues, wiring faults, fueling limitations, vacuum leaks, overheating, incorrect sensor calibration, or incomplete installations may delay or prevent completion of tuning session.

Additional diagnostic or calibration time required due to vehicle-related issues is billed separately.

Additional Diagnostic / Calibration Time

• Remote Support: $100/hr
• Local / Dyno Support: $125/hr

Dyno Sessions

Dyno rental fees are billed separately and paid directly to the dyno facility unless otherwise stated.

Mobile / Local Calibration

• Within 25 miles: Included
• 25–50 miles: +$50
• 50–100 miles: +$100
• 100+ miles: Custom quote