Evolution Racewerks - Charge Pipe || N55 (F2x/F3x/F87)

Ease of Installation: (1 Easy, 5 Hard) 2

Key Features:

• Increase throttle response and decrease turbo lag.
• Lightweight High Grade 6061 Aluminum Piping. 
• Replaces the factory soft plastic charge pipe that is prone to breaking under high boost.
• The throttle body matched 3" piping.
• Retains factory-style o-ring throttle body lock flange.  Precision CNC machined throttle body flange ensures a leak-free connection to the throttle body.  Quick and easy connection and disconnection to the throttle body.  Ideal connection compared to the silicone hose and hose clamp connection found in all other aftermarket charge pipe upgrades available in the marketplace.
• Precision CNC machined MAP sensor flange ensures a leak-free connection.
• Charge Pipe features beaded ends and T-bolt clamps to prevent intercooler piping from coming off from boost.
• Silicone Hump Hose included.
• Optional Type III Hard Black Anodizing (for stealth and OEM look).  Hard anodizing helps improve the durability of intercooler piping.  Resists bent or dented piping.
• Compatible with the factory electronic diverter valve.
• Includes all hardware for complete installation.
• Limited Lifetime Warranty.

Turn up the boost with a tune and find your $400.00 factory charge pipe breaking apart.  You are not alone as this is a common situation with many enthusiasts in this situation.  The factory charge pipe is made out of plastic and was not designed to handle the higher boost levels.  Well, fear not!  The solution is here!  Replace it with a higher-flowing, stronger aluminum charge pipe!  Made 100% of 6061 high-grade aluminum, this will never happen again (backed by our Limited Lifetime Warranty)!

Often ignored, charged intake airflow characteristics greatly affect throttle response, turbo lag, and ultimately maximum power potential.  Smooth bends and minimal obstructions are ideal. We used 6061 aluminum (lightweight) mandrel bent piping to ensure smooth transitions.  The upper pipe features 3" piping to match up to the factory throttle body (factory pipe is 2.5"), ensuring maximum flow without obstruction.

We were the first manufacturer to duplicate the factory throttle body flange with our N54 charge pipe.  We bring the same thing to the N55 charge pipe.  During our research and development, the connection at the throttle body was looked over very carefully.  The factory charge pipe is connected to the throttle body using an o-ring inside the throttle body flange which is locked in place by a c-clip, which works very well.  It also makes removal/installation quick and easy.  Our testing had shown it could hold quite a bit of boost.  During our testing, we had pressure-tested this connection up to 25 PSI.  The reason why we stopped at 25 PSI was because at 25 PSI, one of the intake pipes on the turbo blew off and we could not test any higher.  However, we were confident that it would easily hold over 25 PSI as the throttle body flange showed no signs of failing.  Also, keep in mind, that this type of connection is used throughout the engine, in many crucial areas like the coolant radiator system as well as the clutch system.  If BMW did not believe in the durability of this type of connection, they would not use it in such important areas.

Many of our competitors use a silicone hose connection for the throttle body connection.  It is not designed for a silicone hose connection which is used by all the other brand diverter valve pipe upgrades in the market.  The throttle body lip is too short and there are no "beads" to prevent the silicone hose from blowing off under boost.  Even though it is the easiest way to  "rig" together, it is not ideal.  The best way to connect the new diverter valve pipe to the throttle body is to replicate the same connection that we did.  We spent a lot of resources developing and manufacturing this factory-style connection for this reason.

The same issue came with the MAP sensor.  The MAP sensor seals to the factory diverter valve pipe via a o-ring on the sensor itself.  Having a hole in a silicone hose will definitely cause a boost leak as it will not properly seal.  Therefore, again we CNC machined our own replica MAP sensor flange that utilizes the same factory o-ring seal.

Our Charge Pipe is available in the same 3 finish options as our intercoolers.  It is available in brush (plain) or mirror polish finish standard.  It is also available in our Type III Hard Black Anodizing for the  stealthy, factory look.  An added benefit of the Type III Hard Black Anodizing is that it hardens the aluminum piping and makes it more durable against damage (like dropping the pipe).

The charge pipe kit for the F30 N55 engine features two charge pipes, the upper and lower charge pipes.  Both charge pipes are included in the kit and are required for installation.

1/8" NPT Bungs (For Methanol or Nitrous Injectors):

With the popularity of methanol injection systems and nitrous systems, our charge pipe come with two 1/8" NPT  threaded bung (for methanol or nos injectors) welded to our diverter valve charge pipe.  This allows quick and easy installation of methanol/nitrous injectors that are used in methanol injection systems and nitrous systems.  Each 1/8" NPT bung will come with a plug so that you can run with or without the methanol injector.  This is perfect for those who do not have the Methanol Injection yet but plan to do so in the future.

Also, the 1/8" NPT bung can be used as a boost source if you do not run methanol injection.  Perfect place to connect your boost gauge or other devices to.  The N55 engine does not have a pressurize hose or fitting from the factory that you can easily tap into.  Now you do!

Note - For customers who have the Aquamist Methanol Injection Kit, Aquamist injectors use a 8mmx0.75 thread pitch instead of the 1/8" NPT standard that every other brand uses.  If you have an Aquamist Methanol Kit, no worries!  We have bungs made specifically for the Aquamist.  Specify below if you need Aquamist bungs.  Since this affects a very low amount of people, they will be custom made for you and not be regularly stocked.  Also, we do not have plugs for these bungs.  You will have to already have the Aquamist kit.