2024 M4 Competition

📈 Performance Modifications & Upgrades
• July 09, 2024 | Carbahn Stage 1 Power Package
o Stage 1 Power Package (BMW G8X M3/M4 Comp xDrive 2021+)
o Carbahn DME Unlock & 4/50 Warranty Supplement
o Job Total: $8,310.84
• July 09, 2024 | Ohlins Suspension & Handling
o Ohlins Road & Track Suspension Kit
o Ohlins EDC Cancellation Kit
o Job Total: $6,385.62
• July 09, 2024 | Chassis & Alignment Upgrades
o CarBahn Adjustable Toe Link Kit (with eccentric bolt blocker)
o CarBahn First Edition Mono-Ball Kit
o Job Total: $2,056.94
• July 09, 2024 | Mishimoto Skid Plate
o Engine Skid Plate installation (Wrinkle Black)
o Job Total: $577.08
• July 09, 2024 | Wheel Spacers
o MMR Performance BMW Spacer Kits (15mm & 12mm)
o Job Total: $316.85
• July 09, 2024 | Dahler Anti-Theft Module
o DAHLer Anti-Theft Throttle Commander (ATTC)
o Job Total: $698.98
• July 09, 2024 | Interior Utility
o Hidden Cigarette Lighter / Victor Power Outlet
o Job Total: $132.47
• August 07, 2025 | Carbahn Exhaust Controller
o Exhaust Dual Valve Module
o Job Total: $1,062.97
🛠️ Mechanical Repairs & Diagnostics
• July 21, 2025 | Drivetrain Malfunction Diagnosis
o Investigated "boost pressure too low" fault with Carbahn. Identified that aftermarket Valvetronic controllers were leaving exhaust valves closed under heavy engine load. Recommended returning to factory exhaust valve servos.
o Job Total: $215.39
• July 21, 2025 | Exhaust Valve Actuators
o Sourced parts to return exhaust control to the vehicle computer.
o Job Total: $215.39
• July 29, 2025 | Exhaust Valve Hardware
o Installation of 2 Exhaust Valve Servos and 1 Wiring Harness Kit.
o Job Total: $861.08