RK Autowerks B58TU Billet Intake Manifold with Port Injection

The RK Autowerks Billet Intake Manifolds for the B58 and S58 platforms are exceptional and some of the best we've seen when tuning at Racebox. They're also made 100% in America, so you're supporting a local Texas business!

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Designed, machined, and welded entirely in-house at the RK Autowerks shop in Fort Worth, TX for high-performance B58TU applications. Includes an integrated fuel rail and supports port injection systems.

Intercooler Integration

• Wagner Tuning core, 70% larger than stock for improved thermal efficiency
• Thermal spacer reducing heat soak between engine and manifold
• Coolant return line with OE fitting included

Port Fuel Injection System

• Integrated -8AN ORB fuel rail (included)
• Supports EV14K Body (Bosch Shorty) injectors
• 6 x 1/8" NPT secondary ports for meth/nitrous injection
• 3 x 1/8" NPT auxiliary ports for accessories
• Full oil filter accessibility

Material & Finish

Available in Unfinished Aluminum or Thermal Black.

Fitment

• BMW M340i / M440i (G20/G22)
• BMW M240i (G42)
• Toyota Supra A90/A91
• BMW Z4 M40i (G29)
• BMW X3 / X4 M40i (G01/G02)
• BMW 540i (G30/G31)
• BMW 740i (G12)
• BMW 840i (G14/G15/G16)
• BMW X5 / X6 / X7 40i (G05/G06/G07)

Weight: 24.5 lbs | Dimensions: 27 x 14 x 9 in