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Technical Topics B48 4-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Evolution Racewerks B46/B48 CP/DP Now Confirmed To Fit G20 Chassis!

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      10-17-2019, 06:15 PM   #1
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Talking Evolution Racewerks B46/B48 CP/DP Now Confirmed To Fit G20 Chassis!

Great news from Evolution Racewerks, their B46/B48 Charge pipe kit and downpipes now confirmed to fit the G20 chassis with the same engines.

Charge Pipe Kit (Fits B46 & B48)



Item fits Introducing our new B46/B48 Engine Charge Pipe Kit for your 2016+ BMW 120i / 125i / 220i / 230i / 320i / 330i / 420i / 430i / 520i / 530i / 630i / 730i / 740e / X3 20i / X3 30i / X4 20i / X4 30i!



Key Features:

Increase throttle response and decreases turbo lag.
Lightweight High Grade 6061 Aluminum Piping.
Replaces the factory soft plastic charge pipe that is prone to breaking under high boost.
Throttle body matched 3" piping unlike other brands that use 2.5" piping.
Retains factory style o-ring c-clip lock flange. Precision CNC machined flanges ensures leak free connection to turbocharger and throttle body.
Precision CNC machined MAP sensor and IAT flanges ensures 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 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 factory charge pipe break apart? You are not alone as this is a common situation with many enthusiast 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 a long smooth transition from 2.5" from the turbocharger outlet to 3" to match the factory throttle body, ensuring a smooth transition much like the factory unit. Our competitor's on the other hand run a 2.5" to the throttle body which causes a "step" right at the throttle plate which is not ideal for flow.

All flanges on our charge pipe kit are CNC Computer Machined for precision fitment and quality. The entire charge pipe is TIG welded for strength and beauty.



The B46/B48 Charge Pipe Kit 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. 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! Requires the optional vacuum fitting.

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.



CAUTION: This product is intended for OFF ROAD USE ONLY. Not legal for use on pollution controlled vechiles upon public road/highways. THIS PRODUCT IS FOR SALE FOR ALL 49 STATES EXCLUDING CALIFORNIA.

THIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHILES IN THE STATE OF CALIFORNIA.

The item is for sale for international customers without restriction.



Evolution Racewerks B46 Downpipe


CAUTION: This product is intended for OFF ROAD COMPETITION USE ONLY. Not legal for use on pollution controlled vehicles upon public road/highways. THIS PRODUCT IS FOR SALE FOR ALL 49 STATES EXCLUDING CALIFORNIA. In addition to vehicle use verification, a Vehicle Compliance Waiver needs to be signed.

THIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHILES IN THE STATE OF CALIFORNIA.

The item is for sale for international customers without restriction.

Key Features:

Now available for the 2016+ BMW 230i / 330i/ 430i / 530i B46 Engine!
Horsepower gains of 14 to 16whp average (gains will vary based on modifications of your vehicle).
Higher Max Horsepower Power Curve
Torque gains of 16wtq average (stock boost) up to over 24 wtq (Software upgrade) (gains will vary based on modifications of your vehicle).
Higher Intial Torque Curve. Torque curve hits faster and higher and longer.
Better throttle response and faster turbo spool up times.
Mandrel Bent 4" piping. Smooth transition to the exhaust system.
100% Stainless Steel Construction
100% TIG welded for better quality welds
Precision CNC machined turbocharger V-Band flange.
Precision CNC machined ball joint flange with straight flow interior (versus factory press formed ball joint)
Stainless steel flex section like factory that allows proper exhaust movement and flexibility.
Mirror polish or brush finish
Available with high temperature black thermal coating to reduce underhood temperatures.
Optional - Additional O2 sensor bung for wideband O2 sensors (comes with pre-installed plug)
Optional EGT sensor bung for EGT gauges (comes with pre-installed plug)
Retains the factory "ball" type v-band connector.
Improved design of "ball" connector for better flow characteristics over factory connector.
Compatible with the factory or aftermarket exhaust systems.
Track tested durability.
Includes all hardware for complete installation.
Limited Lifetime Warranty.


Restrictions in the exhaust system robs horsepower and torque especially on turbocharged cars. Thus, removing as much exhaust flow restrictions will increase horsepower and torque significantly. The factory catalytic converter found in the factory downpipe is a big culprit of this and is a major exhaust flow restriction. The factory catalytic converter is made up of catalyst material formed into "honeycomb" weaves. Exhaust gas must pass through these tiny "honeycomb" weaves on their way to the exhaust system thus causing a major exhaust flow restriction. It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction). By replacing the factory downpipe/catalytic converter with our Competition Series 4" Catless Downpipe, more power is unleashed! Our dyno testing has shown around 14-16whp average peak gains and upwards of 24wtq peak gains! While peak horsepower is nice to look at on dyno charts, what's more important is the power curve. If you look at the dyno charts, torque hits MUCH earlier and harder. The torque curve is BROADER throughout the RPM band. More usable power. You have more time spent in the RPM band with higher horsepower and torque. This equates to faster turbo spool up (less turbocharger lag) and better throttle response. Bottom line, faster. You will feel the difference instantly.



The factory downpipe utilizes a flex bellow section that allows the exhaust system to move. This eliminates undue stress on the exhaust components like the exhaust system, downpipe, turbocharger and exhaust manifold. Many of our competitors do not feel it is important to keep this. While you do not see any adverse affects right away, over time, the stresses caused by not having a flex section and having a rigid exhaust system will cause premature wear and tear. Any stress failures like cracks will form quicker than usual on exhaust manifolds and exhaust components. Also, without a flex section, the exhaust system cannot properly deflect impact. Especially on lowered cars, whenever the exhaust system contacts the ground, the entire system gets pushed up. Without a flex, you can imagine how much stress is put into exhaust components like the exhaust manifold when the exhaust is pushed upwards. We fully understand that durability of our products is important. Thus, like BMW, we incorporate a flex section into our downpipe. Our flex sections are 100% stainless steel (cheap flex sections only have stainless steel center braids and steel caps) to ensure corrosion resistance.



One of the main features of our B46/B48 downpipe is the CNC machined solid stainless steel billet ball joint. The factory downpipe uses a press formed process to produce the "ball" joint to connect to the factory exhaust. This process can be done very inexpensively when done in large productions runs. Unfortunately, the drawback of this press formed "ball" joint is that the interior of the pipe also mimics the outside. When exhaust flows through a pipe, the majority of the exhaust flow tends to stay on the outer edges of the pipe. Thus, when exhaust flows into the "ball" section, it goes into the valley created by the "ball" joint and then back up the other side. This creates tremedous amounts of turbulence in the exhaust flow right at that section. Turbulence in turn, slows down exhaust flow velocities as well as increase back-pressure. It's a well known fact that with turbocharged cars, you want the least amount of back-pressure while still maintaining high exhaust flow velocities. Why? Because low back-pressure and high velocities allow the turbocharger to spin faster. This equates to reducing turbocharger lag and faster spool times. Throttle response is also improved. We had originally thought to use the same press form process to manufacture our downpipes. However, very quickly we noticed this flaw to the process and decided to CNC a solid stainless steel billet "ball" joint. This allowed us to keep the factory connection while keeping the interior of the ball smooth. This allows the exhaust to flow unrestricted through the "ball" joint. While this CNC solid stainless steel billet was very expensive to manufacturer, our motto at ER is "Performance, no compromises". Our in house testing showed that we did indeed have real world improvements with this new CNC billet "ball" joint and thus worth the extra costs. This is why the N26 downpipes do cost a little bit more than the N20 downpipes as the N20 downpipes do not have the ball joint system but use a traditional slip-fit design which is cheaper for us to manufacturer. The pictures below show the factory "ball" joint cut in half (to show in the interior) versus our CNC solid stainless steel billet "ball" joint.

Since we are able to reproduce the factory "ball" joint v-band connector, our downpipes are designed to fit perfectly with either the factory exhaust system or your aftermarket exhaust system. There are no compatibility issues whatsover. The downpipes will come by default with brushed finish.

OPTIONS

Ceramic Thermal Coating - The purpose of ceramic coating downpipes is to keep heat from the exhaust gases inside the downpipe from radiating out. This keeps underhood temperatures lower and less heat absortion by nearby parts/surfaces. Another added benefit is that by keeping in heat (energy) in the exhaust gases inside the downpipe, exhaust flow velocities stay up, resulting in lower backpressure. The ceramic coating also adds additonal corrosion resistance. We utilize the best ceramic coating possible. Our thermal coating can resist up to 2000F of heat. It is available in black only (all the other colors cannot withstand heat that high).

Additional O2 Sensor Bung - An additional O2 sensor bung can be added so that you can easily add a wideband o2 sensor and gauges so that you can monitor air/fuel ratios. The additional O2 sensor bung will come pre-installed with a plug so that you do not need to run the o2 sensor right away.

Optional EGT (Exhaust Gas Temperature) Bung - An additional 1/8" NPT bung can be added so that you can easily add a EGT sensor and gauge. The optional EGT sensor bung will come pre-installed with a plug so that you do not need to run the EGT sensor right away.


Evolution Racewerks B48 Downpipe




CAUTION: This product is intended for OFF ROAD COMPETITION USE ONLY. Not legal for use on pollution controlled vehicles upon public road/highways. THIS PRODUCT IS FOR SALE FOR ALL 49 STATES EXCLUDING CALIFORNIA. In addition to vehicle use verification, a Vehicle Compliance Waiver needs to be signed.

THIS ITEM IS NOT FOR SALE, INSTALLATION, OR USE ON LICENSED VEHILES IN THE STATE OF CALIFORNIA.

The item is for sale for international customers without restriction.

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



Key Features:

Now available for the 2016+ BMW 230i / 330i/ 430i / 530i B48 Engine!
Horsepower gains of 14 to 16whp average (gains will vary based on modifications of your vehicle).
Higher Max Horsepower Power Curve
Torque gains of 20 wtq average (stock boost) up to over 24 wtq (Software upgrade) (gains will vary based on modifications of your vehicle).
Higher Intial Torque Curve. Torque curve hits faster and higher and longer.
Better throttle response and faster turbo spool up times.
Mandrel Bent 4" piping. Smooth transition to the exhaust system.
100% Stainless Steel Construction
100% TIG welded for better quality welds
Precision CNC machined turbocharger V-Band flange.
Stainless steel flex section like factory that allows proper exhaust movement and flexibility.
Mirror polish or brush finish
Available with high temperature black thermal coating to reduce underhood temperatures.
Optional - Additional O2 sensor bung for wideband O2 sensors (comes with pre-installed plug)
Optional EGT sensor bung for EGT gauges (comes with pre-installed plug)
Compatible with the factory or aftermarket exhaust systems.
Track tested durability.
Includes all hardware for complete installation.
Limited Lifetime Warranty.


Restrictions in the exhaust system robs horsepower and torque especially on turbocharged cars. Thus, removing as much exhaust flow restrictions will increase horsepower and torque significantly. The factory catalytic converter found in the factory downpipe is a big culprit of this and is a major exhaust flow restriction. The factory catalytic converter is made up of catalyst material formed into "honeycomb" weaves. Exhaust gas must pass through these tiny "honeycomb" weaves on their way to the exhaust system thus causing a major exhaust flow restriction. It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction). By replacing the factory downpipe/catalytic converter with our Competition Series 4" Catless Downpipe, more power is unleashed! Our dyno testing has shown around 14-16whp average peak gains and upwards of 24wtq peak gains! While peak horsepower is nice to look at on dyno charts, what's more important is the power curve. If you look at the dyno charts, torque hits MUCH earlier and harder. The torque curve is BROADER throughout the RPM band. More usable power. You have more time spent in the RPM band with higher horsepower and torque. This equates to faster turbo spool up (less turbocharger lag) and better throttle response. Bottom line, faster. You will feel the difference instantly.

Our Competition Series Catless Downpipes is constructed out of 100% 304 grade stainless steel and utilize mandrel bent piping. They are 100% TIG welded by our in house fabricators and built in the USA. The factory turbocharger turbine housing utilizes a 4" V-Band flange which we have duplicated and CNC machined cut out of billet 304 stainless steel. Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods. The O2 sensor is positioned at the factory location. Since the outlet of the turbocharger is 4" and the factory exhaust system is 3", the factory downpipes reduces size using short transitions from 4" before the catalytic convert and 3" afterwards. Due to space needed for the cataylic converter, the factory downpipes reduce in size using very short transitions. Since our catless downpipes delete the cataylic converter, we have more space. Thus, we use very long transitions. These longer transitions allow the exhaust gas time to smoothly transition from the larger piping to the smaller. This results in less exhaust turbulence and backpressure which again improves throttle response and increase turbocharger spool times (less turbocharger lag).

The factory downpipe utilizes a flex bellow section that allows the exhaust system to move. This eliminates undue stress on the exhaust components like the exhaust system, downpipe, turbocharger and exhaust manifold. Many of our competitors do not feel it is important to keep this. While you do not see any adverse affects right away, over time, the stresses caused by not having a flex section and having a rigid exhaust system will cause premature wear and tear. Any stress failures like cracks will form quicker than usual on exhaust manifolds and exhaust components. Also, without a flex section, the exhaust system cannot properly deflect impact. Especially on lowered cars, whenever the exhaust system contacts the ground, the entire system gets pushed up. Without a flex, you can imagine how much stress is put into exhaust components like the exhaust manifold when the exhaust is pushed upwards. We fully understand that durability of our products is important. Thus, like BMW, we incorporate a flex section into our downpipe. Our flex sections are 100% stainless steel (cheap flex sections only have stainless steel center braids and steel caps) to ensure corrosion resistance.

OPTIONS

Ceramic Thermal Coating - The purpose of ceramic coating downpipes is to keep heat from the exhaust gases inside the downpipe from radiating out. This keeps underhood temperatures lower and less heat absortion by nearby parts/surfaces. Another added benefit is that by keeping in heat (energy) in the exhaust gases inside the downpipe, exhaust flow velocities stay up, resulting in lower backpressure. The ceramic coating also adds additonal corrosion resistance. We utilize the best ceramic coating possible. Our thermal coating can resist up to 2000F of heat. It is available in black only (all the other colors cannot withstand heat that high).

Additional O2 Sensor Bung - An additional O2 sensor bung can be added so that you can easily add a wideband o2 sensor and gauges so that you can monitor air/fuel ratios. The additional O2 sensor bung will come pre-installed with a plug so that you do not need to run the o2 sensor right away.

Optional EGT (Exhaust Gas Temperature) Bung - An additional 1/8" NPT bung can be added so that you can easily add a EGT sensor and gauge. The optional EGT sensor bung will come pre-installed with a plug so that you do not need to run the EGT sensor right away.
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      10-19-2019, 09:27 PM   #2
Donia330i
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Expected a lot more comments on this. Weird.....
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      10-21-2019, 05:09 AM   #3
Oski666
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This is nice, and it was really predictable, as the engine structure is exactly the same I believe all B48 components developed for 1 series and G30 chassis will be confirmed as compatible...However, I do not understand the usage of a cat-less downpipe which is necessarily reflecting on a low RPM huge power loss, and some legal problems...200 Cells catalytic is the best compromise IMHO...I will be happy to perform some nice works on my 330i around Christmas, and mount all of these stuffs to understand what is the best combination of materials to develop a nice 300WHP little monster..
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      11-03-2019, 08:16 AM   #4
jcrosa
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Thats nice! It is taking more time than I expected to start having these nice upgrade kits. Looking forward to a cold air intake kit which deletes the resonator box...
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