DeatschWerks Fuel Rail with Plumbing for BMW M3 M4 S58
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DeatschWerks Fuel Rail for BMW M2/M3/M4/X3M S58 Factory Manifold Port Injection with Plumbing Kit

DeatschWerks
DWK7-905
887753547743
Fuel Rails
10 Units In Stock - Ships Next Business Day
$ 586.99
$ 586.99

Complete Port Injection Fueling Without Sourcing Extra Fittings

Building a supplemental port injection setup usually means tracking down AN fittings, hard line adapters, and hose separately. DeatschWerks part number 7-905 solves that by pairing the same billet fuel rail used on 7-904 with a complete plumbing kit, so the entire fuel delivery side of the conversion arrives in one box.

Key Features

  • CNC machined billet aluminum fuel rail designed for the factory S58 manifold port injection conversion
  • Includes a complete plumbing kit with fittings and hose so no additional parts sourcing is required
  • Accepts industry standard EV14 style injectors
  • Compatible with the factory manifold once drilled for port injector bungs
  • Backed by the DeatschWerks 3 year limited warranty
  • Part number 7-905 saves builders time compared to sourcing plumbing components individually

Fitment

Year Range Make Model
2021-2026 BMW M3
2021-2026 BMW M4
2023-2026 BMW M2
2020-2026 BMW X3 M
2020-2026 BMW X4 M

Specifications

Detail Value
MPN 7-905
UPC 887753547743
Material Billet Aluminum
Injector Compatibility EV14 Style
Plumbing Kit Included Yes
Warranty 3-Year Limited
Engine Platform S58

What's Included

  • 1 DeatschWerks 7-905 billet fuel rail
  • Complete plumbing kit with fittings and hose
  • Mounting hardware for factory manifold installation

About DeatschWerks

DeatschWerks specializes in high performance fuel system components, including fuel pumps, injectors, and fuel rails engineered and tested to support serious horsepower goals while maintaining OEM level reliability.

Related Parts on Our Site

  • DeatschWerks S58 fuel rail without plumbing kit
  • DeatschWerks universal high impedance injector sets
  • DeatschWerks fuel pump modules

FAQ

What is the 7-905?

It is a DeatschWerks billet aluminum fuel rail with a complete plumbing kit that bolts to the factory S58 manifold after port drilling, enabling supplemental port injection for BMW M2, M3, M4, X3 M, and X4 M models.

What is the difference between the 7-904 and the 7-905?

The 7-905 includes a complete plumbing kit with fittings and hose, while the 7-904 is the fuel rail only without plumbing components.

Do I need to drill the factory manifold to install this rail?

Yes, the factory S58 manifold must be drilled at each injector bung location to accept port injectors before this rail can be installed.

What injectors are compatible with this fuel rail?

The rail is designed around the industry standard EV14 injector body style, giving builders flexibility in injector sizing.

What vehicles use this fuel rail?

It fits S58 powered BMW M2, M3, M4, X3 M, and X4 M models.

What warranty does DeatschWerks provide on this fuel rail?

DeatschWerks backs this fuel rail with a 3 year limited warranty from the date of purchase.

Can this fuel rail be used with E85 fuel?

Yes, port injection setups using this rail are commonly run with E85 blends when paired with compatible injectors and tuning.

Does the plumbing kit include the hard line fittings needed at the DME side?

Yes, the included plumbing kit is designed to complete the fuel supply routing from the hard line to the new fuel rail.

Install Instructions

  1. Remove the factory intake manifold from the vehicle following the manufacturer service procedure
  2. Drill each injector bung location in the manifold using the specified drill guide and bit size
  3. Clean all drilling debris from the manifold before reassembly
  4. Install the injectors into the newly drilled ports
  5. Mount the DeatschWerks 7-905 fuel rail to the manifold using the provided hardware
  6. Connect the included plumbing kit fittings and hose from the fuel rail to the factory hard line
  7. Reinstall the manifold to the cylinder head and reconnect all electrical harnesses
  8. Pressurize the fuel system and check thoroughly for leaks before starting the engine

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