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Our Price: $199.95
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Description 


Click here to download installation instructions (PDF)

OVERVIEW
The Radium Engineering fuel rail for the BMW S54 engine is machined and anodized for a compatibility with all fuel types including E85. Manufactured with a large internal bore, the fuel rail can support all necessary engine power requirements. It is compatible with OEM and aftermarket direct fitment fuel injectors. It features a large 0.65" internal bore with -8AN ORB (3/4-16 O-ring) threaded ports at each end and a 3/8 NPT female center port to accept a variety of adapter fittings for custom high-flow fuel system builds. The fuel rail is a direct bolt-on for all BMW's equipped with the S54 engine, including:

2001-2006 BMW M3
2001-2002 BMW Z3 M Coupe
2001-2002 BMW Z3 M Roadster
2006-2008 BMW Z4 M Coupe
2006-2008 BMW Z4 M Roadster


PORTS AND FITTINGS READ CAREFULLY

The fuel rail end ports are tapped for 8AN ORB and center port is tapped for 3/8 NPT.

  • 8AN ORB Adapter Fittings can be found HERE and will work in either end port.
  • If the under-car regulator is not used, a Radium direct mount regulator can be installed in the front port of the fuel rail. Part number 20-0623-0X can be found HERE.
  • 3/8 NPT Adapter Fittings can be found HERE and can be used in the center port. Plug this port if it is not needed using a 3/8 NPT plug.
  • Due to space limitations, the center port can only accomodate one style of pulse damper, part number 14-0128 found HERE.
  • Fuel Pressure Gauge Adapters can be found HERE and can be used in an end port.

Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide.


WHATS INCLUDED

20-0070-02 Fuel Rail, BMW S54

This option is the fuel rail ONLY. No fittings or hoses are included. This is ideal when plumbing a custom high flow fuel system using an aftermarket regulator and custom fuel lines. Fittings and adapters are available separately. 
 
20-0070-PK Fuel Rail Plumbing, BMW S54
The plumbing kits contains the items in the image below, and allows easy hookup with the factory feed line and regulator located under the car. This kit is only compatible with the E46 M3. E85 compatible.
-1x  8AN ORB plug
-1x  3/8" NPT plug
-1x  6AN male adapter
-1x  PTFE fuel feed hose
-1x  SAE adapter to attach to factory regulator

Reviews

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(based on 1 review)

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RatingReviewerReview
by Dustin
on 6/21/2019
Bmw E46 M3 Fuel Rail
I didn't really need this considering my engine is mostly stock other headers/ap muffler/ tune. However I seen it and had have to it. Installation wasn't super easy but if you take your time and follow their instructions it wasn't too terrible. I looks amazing on the car along with their catch can kit and couldn't be happier. I am very impressed with the quality, look, and function of radium products. Great company/
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