Finally, Z4 owners can enjoy the same fueling upgrades that other BMW enthusiasts have had access to for years, and also the latest development, our AFS fueling! The Precision Raceworks BMW Z4 E-Series Billet Top Hat is the perfect solution for adding an additional in-tank fuel pump, making advanced fueling setups easier and more reliable than ever. Whether you’re building for performance, reliability, or future-proofing, this upgrade gives your Z4 the fuel system capabilities it deserves.

Features and Benefits

• High Current Electrical Connectors: Designed to handle the demands of high-performance fuel systems.
• Hermetically Sealed Wire Pass-through: Our proprietary HMS wire pass-through prevents vapor or fuel passing through the wire and supports PWM control.
• Up to Three High-Flow Fuel Ports: Perfect for a variety of configurations, including but not limited to:
  • Auxiliary Fuel System (AFS) setups for performance builds.
  • Surge tank integration for enhanced stability under demanding conditions.
• Premium High-Flow Fuel Filter:
  • USA-made Micro-Glass elements ensure exceptional filtration.
  • Comes standard with a 6-micron filter (10-micron available).
• 6-Bar Fuel Pressure Regulator: Fully compatible with factory systems, ensuring smooth integration.

What’s Included

• Anodized aluminum billet top hat, precision-engineered for durability and performance.
• High-flow fuel fittings and plugs for unused ports.
• Replaceable high-flow fuel filter with a 6-bar regulator.
• Plug-and-play compatibility with OEM in-tank hoses for seamless installation.
• Wiring harnesses for primary and secondary pumps, totaling 8 wires to support multiple configurations.

Why This Upgrade is a Game-Changer

For years, Z4 owners have faced limited options when it came to upgrading their in-tank fuel systems. The Precision Raceworks Z4 E-Series Billet Top Hat changes that by providing a reliable, high-performance solution that supports dual-pump configurations. Now, you can achieve the same advanced fueling setups that other BMW platforms have enjoyed, unlocking the potential for larger injectors, higher flow rates, and improved stability for high-horsepower builds.

Configuration Options

• Single Pump Setup: Plug-and-play installation with no additional components required.
• Dual Pump with Single Feed Line: Easily upgrade most existing dual-pump systems without needing extra parts.
• AFS Style Configuration Capable: The most advanced setup! (may require additional lines, filters, and a regulator, which are available separately).

Upgrade Notes

• Installation Requirement: Installation may require cutting the factory wiring on your vehicle, to properly connect to our provided wiring.
• Future-Proof Design: Supports a wide range of configurations to adapt to your current and future needs.

Precision Raceworks: Leading the Way for BMW Enthusiasts

At Precision Raceworks, we understand the needs of BMW drivers pushing the limits of their vehicles. The BMW Z4 E-Series Billet Top Hat finally gives Z4 owners the ability to build the advanced fueling systems their cars need to compete on the highest levels of performance.

Stop settling for less. Upgrade to the Precision Raceworks BMW Z4 E-Series Billet Top Hat today and join the ranks of BMW enthusiasts with top-tier fueling solutions. The road ahead just got a whole lot faster.