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Wanmax Racing
Semi-Cast Aluminum Integrated Water-To-Air Intercooler Intake Manifold with Fuel Rail for BMW Gen1 B58 3.0L Turbo F-Chassis M140i M240i 340i 440i
$1,108.00
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CODE: IM-BM-B58G1-PI
Categories: Intake Manifold
100% ORIGINAL AND QUALITY
24 MONTHS GUARANTEE
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DESCRIPTION
Lower IAT, Eliminate Heat Soak & Support High-HP Port Injection Builds For Gen1 B58 F-Chassis BMW.
This semi-cast aluminum intake manifold integrates a dual-pass high-efficiency water-to-air intercooler core, direct replacement for OEM plastic manifold. Optimized internal runner geometry cuts airflow turbulence. The dual-pass cooling core extends heat exchange duration to stabilize intake air temperature, sustaining consistent peak power during repeated high-load driving.
Pre-machined 6-port secondary injector mounting positions paired with CNC billet fuel rail, fully ready for port injection upgrades for E85, race fuel or water-methanol injection setups. Semi-cast construction balances airflow performance and cost efficiency. Designed from OEM 3D scan data for direct bolt-on fitment.
VEHICLE FITMENT for:
BMW Gen1 B58 3.0L Turbo F-Chassis Models
- BMW 1 Series F20/F21 LCI - 2016–2019 M140i / M140i xDrive
- BMW 2 Series F22/F23 - 2016–2021 M240i / M240i xDrive
- BMW 3 Series F30/F31/F34 - 2015–2019 340i / 340i xDrive / 340i GT / 340i GT xDrive
- BMW 4 Series F32/F33/F36 - 2016–2020 440i Coupe/Convertible/Gran Coupe / 440i xDrive
- BMW 5 Series G30/G31 Pre-LCI (Gen1 B58 Only) - 2017–2019 540i / 540i xDrive
- BMW 7 Series G11/G12 Pre-LCI - 2015–2019 740i / 740Li / 740iX / 740Li xDrive
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BMW X3/X4 G01/G02 Pre-LCI (Gen1 B58 Only) - 2017–2019 X3 M40i 2018–2019 X4 M40i
Non-Compatible Vehicles
❌ NOT compatible with B58TU Gen2 engines
❌ NOT fit Toyota GR Supra A90/A91, G20 M340i, Z4 G29 M40i
❌ NOT fit any 2020+ LCI G-chassis models equipped with mild-hybrid B58TU1/TU2
KEY FEATURES
- Premium Semi-Cast Aluminum Construction: Cast plenum & runners deliver smooth optimized airflow; all flanges and mating surfaces are precision CNC machined to guarantee leak-free sealing under high boost.
- Dual-Pass Integrated Water-To-Air Intercooler Core: Multi-channel high-density fin cooling core extends heat exchange cycle, effectively reduces IAT and suppresses heat soak for sustained stable power output.
- 6-Port Port Injection Ready Design: Pre-machined secondary injector ports matched with CNC billet fuel rail, ideal for high horsepower E85/race fuel builds or water-methanol injection systems.
- Excellent Cost-Performance Balance: Matches cooling capacity and high-boost durability of full billet manifolds with more competitive pricing, perfect for performance enthusiasts.
- 100% Direct Bolt-On OEM Fitment: Matches factory mounting layout, no cutting or modification required. All original sensor positions are retained.
INTERCOOLER CORE TECH DETAILS
- Cooling Core Type: Dual-Pass High-Efficiency Water-To-Air Core for prolonged heat exchange
- Cooling Flow Geometry: 2-Pass Internal Fluid Circuit delivers balanced thermal management
- Core Configuration: Multi-Channel Fluid Routing with High-Density Cooling Fins
TECH SPECIFICATIONS
- Material: High-Grade Semi-Cast Aluminum + CNC Machined Billet Components
- Cooling System: Built-In Dual-Pass Water-To-Air Intercooler Core
- Compatible Engine: Gen1 B58B30A 3.0L Turbo Inline Six
- Function: Supports factory direct injection + auxiliary port injection upgrade
- Installation: Direct bolt-on replacement for OEM intake manifold
WHAT'S IN THE BOX
- 1x Semi-Cast Aluminum Integrated Water-To-Air Intercooler Intake Manifold
- 1x CNC Billet Fuel Rail For Port Injection
- Intake Manifold Flange Gasket
- 2x Reinforced Multi-Angle Silicone Coolant Hoses
- 3x Extended Vacuum & Fuel Vapor Hoses
- Black Anodized Fuel Rail Brackets & Adapters
- Gold Anodized Fuel Rail End Block-Off Caps
- Green Viton Cylinder Head O-Rings & Injector Seals
- Complete Hose Clamp Set
- Full Set Stainless Steel Installation Bolt & Hardware Kit
Frequently Asked Questions
Q1: What is the difference between Gen1 B58 manifold and Gen2 B58TU manifold?
A: Gen1 B58 (F-Chassis) has throttle body positioned towards the firewall. Gen2 B58TU (G-Chassis/Supra) throttle body faces radiator. Flange layout, coolant ports and mounting points are completely different, cannot interchange.
Q2: Must I install auxiliary injectors right after installation?
A: Not mandatory. For Stage1/Stage2 stock ECU tunes, use included block-off plugs to seal the 6 PI ports. Add secondary injectors later for E85 or turbo upgrade projects.
Q3: Will this manifold trigger check engine light?
A: No. All OEM sensor and vacuum port positions are retained, original wiring harness fits directly without modification.
Q4: Can I use this manifold on G20 M340i or GR Supra?
A: No. This unit is only engineered for Gen1 B58 F-chassis models. It cannot fit any B58TU Gen2 vehicles.
