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Evolution Racewerks (ER)
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Fitting service at Xatrix, West Yorkshire
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Turn up the boost with a tune and find your factory charge pipe break apart? Fear not! The solution is here! Replace it with a higher flowing, stronger aluminium charge pipe! Made 100% of 6061 high grade aluminium, this will never happen again.
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 aluminium (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 make 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, 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.
Precision CNC machined throttle body flange ensures boost leak free connection
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 which we did. We spent a lot of resources developing and manufacturing this factory style connection for this reason.
Precision CNC Machined MAP Sensor Flange and Vacuum Fitting ensures boost leak free connection
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 utilises the same factory o-ring seal.
Our Charge Pipe is available in 3 finishes. It is available in brush (plain) or mirror polish finish standard. It is also available in our Type III Hard Black Anodising for the stealthy, factory look. An added benefit of the Type III Hard Black Anodising is that it hardens the aluminium piping and makes it more durable against damage (like dropping the pipe).
1/8" NPT Bungs (For Methanol or Nitrous Injectors):
With the popularity of methanol injection systems and nitrous systems, we have added the option of having a 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. Our charges pipes come with 2 meth bungs standard (you can custom order only 1 or none). 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 pressurise 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.
BM-ICP009SA
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Evolution Racewerks (ER)
Warranty
Evolution Racewerks (ER) Limited Lifetime Warranty (Non-Transferable)
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