Description
Discover the Evolution Racewerks Z4 N54 (3.0TT) Diverter Valve Charge Pipe, a top-of-the-line performance upgrade designed to elevate your BMW driving experience. This aftermarket part is meticulously engineered to enhance the turbocharged capabilities of your vehicle, providing impressive gains in both power and reliability.
Crafted with precision and using high-quality materials, the Evolution Racewerks Diverter Valve Charge Pipe replaces the stock component with a superior alternative. By optimizing airflow and minimizing turbulence, this charge pipe significantly improves throttle response, reducing turbo lag and delivering an exhilarating acceleration that will leave you craving for more.
Not only does the Evolution Racewerks Diverter Valve Charge Pipe boost performance, but it also ensures long-lasting durability and peace of mind. Its robust construction and exceptional engineering guarantee a reliable and secure fit, making it a perfect choice for enthusiasts and professionals alike.
Key Features:
- Increase throttle response and decreases turbo lag.
- Compatible with factory diverter valves or aftermarket factory style diverter valves.
- Lightweight High Grade 6061 Aluminum Piping.
- Throttle body matched 3" piping.
- Retains factory style o-ring throttle body lock flange. Precision CNC machined throttle body flange ensures leak free connection to throttle body. Quick and easy connection and disconnection to throttle body. Ideal connection compared to the silicone hose and hose clamp connection found in all other aftermarket diverter valve upgrade pipes available in the marketplace.
- Precision CNC machined MAP sensor flange ensures leak free connection.
- Diverter Valve Charge Pipe features beaded ends and T-bolt clamps to prevent intercooler piping from coming off from boost.
- Factory diverter valve sound baffle, which causes turbulence in the factory pipe, is removed.
- Optional Type III Hard Black Anodizing (for stealth and OEM look). Hard anodizing helps improve durability of intercooler piping. Resists bent or dented piping.
- Includes all hardware for complete installation.
- Optional TIAL Q Blow Off Valve available in 5 different colors (black, polished silver, red, blue and purple).
- Optional Synapse Synchronic Blow Off Valve now available!!!
- Optional HKS Super Sequential Blow Off Valve now available!!!
- Limited Lifetime Warranty.
Again, another parts development directly from our 135i Time Attack racing program. The factory diverter valves were causing an issue of not being able to hold up against the rigors of high boost application, therefore they needed to be replaced. Thus attention was brough to the factory diverter valve pipe and the need to optimize for maximum performance on a race car facilitated the need for a new pipe to be built. Often ignored, charged intake airflow characteristics greatly affect throttle response, turbo lag and ultimately maximum power potential. Smooth bends and minimal obstructions are ideal. This is not the case with the factory diverter valve charge pipe. On the factory diverter valve chargepipe features a sound baffle for the diverter valves. This sound baffle is connected on the side of the factory diverter valve charge pipe which splits airflow. This causes turbulence inside the pipe which slows the charge intake air velocity (speed of the air traveling inside the pipe). By removing this turbulence (by eliminating the factory diverter valve sound baffle), increased throttle response, decrease turbo lag and ultimately higher maximum power potential can be realized. Our Diverter Valve Charge Pipe eliminates this sound baffle and thus eliminating the unneccesary turbulence in the diverter valve pipe, keeping charge intake air velocity at it's maximum. Apparrently, BMW thought the same thing as later model (2009-10) did not come with this baffle.
Charge Pipe with outlet for DV Sound Baffle Later model Charge pipe with no outlet for DV Sound Baffle
Since one of the reasons for changing out the factory diverter valves was to prevent boost leaks (from prematurely opening on high boost), causing boost leaks while upgrading the diverter valve would be counterproductive. During our research and development, the connection at the throttle body was looked over very carefully. The factory diverter valve 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. Hoewver, 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 crutial 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 which we did. We spent a lot of resources developing and manufacturing this factory style connection for this reason.
Precision CNC machined throttle body flange 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 utilizes the same factory o-ring seal.
Precision CNC Machined MAP Sensor Flange ensures boost leak free connection
MAP Sensor attached to the flange.
Charge Pipe Finishes:
The Diverter Valve Charge Pipe is available in the same 2 finish options as our intercoolers. It is available in a mirror polish finish. It is also available in our Type III Hard Black Anodizing for the guys that want 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 accidental damage (like dropping the pipe).
We also offer our Diverter Valve Charge Pipe in any anodizing color of the rainbow you want (special order) and is available in only Type II Anodizing (asthetics). It is available as a special order item and is not stock.
Brush (or plain) finish is also available.
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. You have the option of adding 1 or 2 injector bungs. 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.
1/8" NPT Bungs (for methanol or nitrious injectors). Each bung comes with a plug (shown).
Blow Off Valves (BOV):
The standard option for our Diverter Valve Upgrade Pipe is designed for either the factory diverter valves or aftermarket "factory style" diverter valve. Also available is the TIAL Blow Off Valve option which utilizes the TIAL Q Blow Off Valve (BOV). The TIAL Q BOV features a large 50mm (2") valve to quickly discharged built up boost pressure. Since the TIAL Q BOV vents to the atmosphere which causes no restriction to venting boost, it reacts faster than recirculated diverter valves. The internal valve spring can be changed out to different spring rates which allow adjustability. This allows versatility as it allows you to increase the spring pressure in the future for when you run higher boost levels. Therefore, it eliminates the need to purchase another BOV or diverter valve if you increase boost levels. Essentially, this is the last blow off valve you will ever buy. The TIAL Q BOV is available in 6 different colors: black, polished silver, red, blue and purple. The black color option is standard. If you want any other color, please specify when ordering.
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Tial Q Blow Off Valve |
Available in Black, Polished Silver, Red, Blue and Purple |
Due to popular demand, we are now offering our Diverter Valve Charge Pipes with the Synapse Synchronic Blow Off Valve flange welded to our Diverter Valve Charge Pipe. You can order it with just the flange welded on or with the Synapse Synchronic BOV included. The Synapse BOV option requires an aluminum flange that is not included in the Synapse BOV Kit (unlike the TIAL BOV which is included). The Synapse aluminum BOV flange is $25 extra.
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Synapse Synchronic Blow Off Valve |
Synapse Synchronic Blow Off Valve in Black |
HKS has just come out with the new Super Sequential Blow Off Valve (SSQV) 4 Blow Off Valve (BOV). You can order it with just the HKS BOV flange welded on or with the SSQV BOV included. We include only genuine HKS SSQV 4 (no oversea knock offs like you see on E-bay). The HKS SSQV 4 BOV option require an aluminum flange that is not included in the HKS SSQV 3 BOV Kit (unlike the TIAL BOV which is included). The HKS aluminum BOV flange is $25 extra which is included in the cost of the HKS SSQV 4 BOV when you order. The HKS SSQV 3 which we previously packaged is now discontinued and all real HKS BOVs have long been sold. If you see any HKS SSQV 3 on sale anywhere, 99% of the time, they are fake. The imitators have completely copied the SSQV3 including all the HKS logos, holograms and even packaging so that you think you are buying a real genuine HKS BOV. You are not. Imitation ones are very low quality and many are known to have issues like the piston valve falling off!
Also, some may have noticed that the price for the HKS SSQV4 is more than the SSQV3. Unfortunately, the price increase is from HKS themselves, thus we must raise our prices as well.
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HKS SSQV 4 Blow Off Valve |
We can also build our Diverter Valve Charge Pipe to utilize any BOV or diverter valve you desire. Love the way the Greddy BOV sounds? No problem, we can weld any BOV flange on our Diverter Valve Charge Pipe so that you can utilize any BOV or diverter valve you want. Due to the fact that there are so many options for BOV's and diverter valves, it will be impossible for us to stock these options. Therefore, it is available only as a special order and will be built to order. Contact any of our authorized dealers for more information on how to order this. Only the TIAL, Synapse and HKS BOVs are kept in stock.
