Description
RK Autowerks B58 Manifold Gen1 – Billet Port Injection
- Designed, machined, and welded in-house at our shop in Ft Worth, TX
- Larger and more efficient intercooler core from Wagner Tuning
- 70% larger than stock
- Thermal (phenolic) spacer to minimize heat soak between the engine and manifold
- Coolant return line with OE fitting included
- Ports for Port Fuel Injection
- Fuel Rail Included – 8AN ORB Fittings
- Recommended Injectors – EV14K Body (Bosch Shorty)
- 6 Secondary ports for nitrous/meth – 1/8 NPT Ports
- 3 Auxiliary 1/8 npt ports for accessories (boost reference, etc)
- OEM Oil filter accessible
- Available in raw aluminum
Designed for BMW B58 Gen 1 Engines, Including:
- 340i 440i | F30 | 2015-2019 | Gen 1
- M240i | F22 | 2016+ | Gen 1
- X3 X4 M40i | G01 G02 | 2018-2019 | Gen 1
- 540i | G30 | 2017-2019 | Gen 1
- 740i | G12 | 2016-2019 | Gen 1
For fitment questions, contact our team at sales@rkautowerks.com for assistance.
Installation & Support
This manifold is designed for plug-and-play fitment using OEM mounting points. Installation guides and support are available through our resource center or by contacting our tech team directly.
Why Choose RK
RK Autowerks manifolds are engineered and built in-house in Fort Worth, TX. We don’t outsource. Every unit is CNC-machined and hand-assembled for quality fitment and performance. Trusted by enthusiasts and tuners for reliable power delivery on street and track builds alike.
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