MS42 / MS43 / MS45 Custom F/I Calibration — M52TU / M54

Custom Bespoke Forced Induction Calibration for BMW Siemens MS42, MS43, and MS45-equipped engines.

Designed for turbocharged and supercharged street, track, and motorsport applications using factory BMW engine management.

Supports:

• Turbocharged setups
• Supercharged setups
• E30 and Full E85 setups
• Large injector configurations
• M50/N54 intake manifold
• MAF conversions
• Alpha-N configurations
• Custom drivability refinement
• Track and endurance applications

Included With Calibration

• Up to 2–3 hours of scheduled calibration time
• Fuel, ignition, VANOS, torque, 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, boost leaks, fueling limitations, wiring faults, 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