Air Cooler Billet Manifold for S58 Engine – G80/G81/G82/G83/G87 M2/M3/M4 F97-X3-M F98-X4-M

• Largest Heat Exchanger Volume (5250cc) with One-Piece CNC Construction, +62.4% vs OEM
• Solving Throttle Offset Airflow Imbalance (CFD-Driven Design)
• Modular Runner Design for Scalable Fueling
• Integrated High-Flow Fuel Rail System
• Low internal surface roughness
• OEM-Level Fitment & Serviceability
• Advanced Thermal Isolation & High-Pressure Sealing
• Stainless Steel Thread Sleeve for Lifetime Durability

Key Features
6061-T6 aluminum, full CNC-machined construction
Largest S58 plenum volume on the market (5250cc)
One-piece billet plenum for strength and consistency
CFD-optimized internal airflow guide plate
Proven improvement in airflow uniformity
Interchangeable modular runner design (single MPI / dual MPI)
Integrated AN8 high-flow fuel rail options
Bosch EV14 injector compatibility
6* top-mounted NPT ports for methanol, nitrous, and sensors
OEM mounting points and serviceability retained
2* bottom-mounted NPT ports for boost source, MAP sensor, or other NPT purposes.
Stainless steel thread inserts at plenum to runner flange— built for repeated install & removal without thread failure

Vehicle Compatibility
LHD / RHD BMW M3 G80 Sedan
LHD / RHD BMW M3 G81 Touring
LHD / RHD BMW M4 G82 Coupe
LHD / RHD BMW M4 G83 Convertible
LHD / RHD BMW G87 M2 Coupe
LHD / RHD BMW F97 X3 M
LHD / RHD BMW F98 X4 M

Instruction: 📃