This in-house designed, machined, and welded billet intake manifold from RK Autowerks delivers a performance-focused solution for Gen 2 B58 engines operating well above factory power levels. Built in Fort Worth, Texas, it features a significantly upgraded intercooler core and full support for port injection, making it a strong foundation for high-boost, high-output builds. A matching fuel rail is included; injectors and a port injection line kit are required and sold separately.
Key Features
- 70% larger Wagner Tuning intercooler core for improved thermal efficiency
- Thermal phenolic spacer to reduce heat transfer and minimize heat soak
- Integrated -8AN ORB fuel rail (included)
- Compatible with EV14K-body (Bosch Shorty) injectors
- Six 1/8" NPT secondary ports for meth or nitrous systems
- Three 1/8" NPT auxiliary ports for accessories such as boost reference
- Coolant return line with OE-style fitting included
- Maintains full access to the OEM oil filter
- Offered in raw aluminum finish
Engineered to replace BMW Part #11 61 8 647 977, 11618647977
BMW B58 Gen 2 Applications:
3 Series
2019-Present G20/G21 M340i / M340i xDrive
4 Series
2020-Present G22/G23/G26 M440i / M440i xDrive
Z Series
2019-Present G29 Z4 M40i
5 Series
2020-Present G30/G31 LCI 540i / 540i xDrive
6 Series
2020-Present G32 LCI 640i GT / GT 640i xDrive
7 Series
2019-Present G11/G12 LCI 740i / 740i xDrive
X3 Series
2020-Present G01 X3 M40i
X4 Series
2020-Present G02 X4 M40i
X5 Series
2018-Present G05 X5 xDrive40i
X6 Series
2019-Present G06 X6 xDrive40i
X7 Series
2018-Present G07 X7 xDrive40i
Toyota B58 Gen 2 Applications:
A90 / A91 Supra
2020-Present GR Supra 3.0 Premium
2021-Present GR Supra 3.0 A91 Edition
After placing your purchase, please contact Sales@5150AutoSport.com with your vehicle VIN to verify fitment.