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  1. BMW E46 3-Series Intake System R&D, Part 3: Final Prototype

    BMW E46 3-Series Intake System R&D, Part 3: Final Prototype

    Interested in picking up our E46 intake system? Check out our product page for more information!

    Mishimoto BMW E46 Performance Air Intake

    Final Intake Images

    With successful testing data acquired from our first prototype, it was time to make a final prototype and perform our last test fit before producing a batch of final intake systems. Check out a shot of the shroud, intake hose, and filter!

    Mishimoto E46 air intake shroud, intake hose, and air filter
    Mishimoto E46 air intake shroud, intake hose, and air filter

    The airbox is constructed of powder-coated steel, and we line the

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  2. BMW E36 Aluminum Coolant Expansion Tank R&D, Part 3: Final Prototype and Test Fit

    BMW E36 Aluminum Coolant Expansion Tank R&D, Part 3: Final Prototype and Test Fit

    Interested in picking up this aluminum E36 expansion tank? Check out our product page linked below!

    BMW E36 Aluminum Coolant Expansion Tank!

    The time has come and the anticipation is over. Our final prototype unit has been constructed, and we are ready to check fitment! On to the pictures!

    Final Expansion Tank Images

    Mishimoto expansion tank prototype
    Mishimoto expansion tank prototype

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  3. A New BMW F30 Performance Intake, Part 2: Airbox Fabrication

    A New BMW F30 Performance Intake, Part 2: Airbox Fabrication

    Interested in purchasing our F30 intake system? Check out our product page for more information!

    Mishimoto BMW F30 Performance Intake!

    Time for an update on our F30 intake project! Check out the continued progression of our development below!

    Airbox Base Fabrication

    We left off last time with the completion of our intake pipe fabrication that leads to the airbox. Next on the list: assembling our airbox and refining the design to the appropriate shape we wanted to achieve.

    We started with the base of the box, which will be utilizing the factory air duct to acquire a cool stream of airflow.

    Airbox base cardboard template
    Airbox base cardboard template
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  4. BMW E46 3-Series Intake System R&D, Part 2: Power and Sound Testing

    BMW E46 3-Series Intake System R&D, Part 2: Power and Sound Testing

    Interested in picking up our E46 intake system? Check out our product page for more information!

    Mishimoto BMW E46 Performance Air Intake

    After completing our initial prototype it was time to strap this E46 to the dyno and make a few pulls. We would be evaluating power output, monitoring vital engine sensors such as AFR, and collecting sound clips for comparison against the stock intake system.

    Dyno Testing

    E46 on dyno for intake testing
    E46 on dyno for intake testing

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  5. E46 3-Series Aluminum Expansion Tank, Part 2: 3D Tank Design

    E46 3-Series Aluminum Expansion Tank, Part 2: 3D Tank Design

    Quick project update! As noted in our last post, we had finished collecting data points and dimensional information for the stock tank and were setting our sights on creating a tank of our own.

    After pulling our engineers out from under shop vehicles, we set them behind the computer to get this project moving. Check out some of our initial 3D models!

    Mishimoto expansion tank, 3D model
    Mishimoto expansion tank, 3D model

    Mishimoto expansion tank, 3D model
    Mishimoto expansion tank, 3D model

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  6. BMW E36 Aluminum Coolant Expansion Tank R&D, Part 2: Initial 3D Model and Prototype

    BMW E36 Aluminum Coolant Expansion Tank R&D, Part 2: Initial 3D Model and Prototype

    Interested in picking up this aluminum E36 expansion tank? Check out our product page linked below!

    BMW E36 Aluminum Coolant Expansion Tank!

    Time to break open the stock tank and see what lies within. If you follow some of our other development projects, you would know that we recently split an E46 3-series expansion tank and found quite a complex system including both internal and external features. Although this added some complexity and difficulty to the project, it seemed like our engineers enjoyed the challenge.

    Stock Expansion Tank Internals

    First, before we slice this guy in half, a look inside the tank from the cap.

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  7. A New BMW F30 Performance Intake, Part 1: Stock Intake and Initial Fabrication

    A New BMW F30 Performance Intake, Part 1: Stock Intake and Initial Fabrication

    Interested in purchasing our F30 intake system? Check out our product page for more information!

    Mishimoto BMW F30 Performance Intake!

    BMW F30 on dyno
    BMW F30 on dyno

    After wrapping up some loose ends with our E36 and E46 projects, it was time to turn our attention to one of the new offerings from BMW. The  4-cylinder turbo N20/N26 caught our eye as a very interesting new engine, and we decided to bring one into the shop for an initial look at the vehicle and to begin developing a few products for this chassis.

    Stock Intake System

    Before pulling out the welder and aluminum, we needed to evaluate the stock intake system to determine our game

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  8. Developing A N54 Catch Can Solution, Part 3: Final Design and Features

    Developing A N54 Catch Can Solution, Part 3: Final Design and Features

    Interested in picking up our N54 oil catch can system? Check out more details on our product page linked below!

    BMW N54 Baffled Oil Catch Can Kit

    After selecting a catch can location and fabricating a mounting bracket, we needed to fully install the can/bracket combo and begin putting together a set of CCV lines to complete our kit.

    Catch Can Lid

    Before doing so, the functional prototype of our catch can lid arrived for evaluation by our team. Check it out!

    Mishimoto CNC-machined catch can lid
    Mishimoto CNC-machined catch can lid

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  9. Keeping The E36 Cool, Part 3: Final Prototype

    Keeping The E36 Cool, Part 3: Final Prototype

    Interested in picking up our E36 fan shroud? Check out the full details on this kit on our product page!

    Mishimoto BMW E36 Performance Fan Shroud Kit!

    Our final prototype is complete and looks fantastic. The fan mount is constructed from 1/8" steel that has been cut to a specific shape allowing for additional airflow through the radiator core at speed. Additionally, the mount is powder coated black to provide a durable finish. As noted in our last post, we tested this unit extensively with our 16" fan to ensure that coolant temperatures were properly regulated during both idle and all driving conditions.

    Check out a few shots of the mount!

    Final prototype of fan mount
    Final
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  10. BMW E46 3-Series Intake System R&D, Part 1: Initial Design

    BMW E46 3-Series Intake System R&D, Part 1: Initial Design

    Interested in picking up our E46 intake system? Check out our product page for more information!

    Mishimoto BMW E46 Performance Air Intake

    Stock E46 intake system
    Stock E46 intake system


    Stock E46 intake system
    Stock E46 intake system

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