Carbon Induction Kit for BMW F-Series B58 (M140i, M240i, M340i, M440i)
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Details
2012+ F20/F21/F22/F23/F30/F31/F32/F33/F36/F40, M140i, M240i, M340i, M440i, BMW, B58, Carbon Fiber Induction Kit, Intake System, Forge Motorsport, FMINDK50
The B58 engine is a masterpiece from BMW, it makes great power, produces a fantastic noise and with the addition of FMINDK50 you can take these qualities even further. When our development team analysed the OEM airbox and inlet tract on the BMW M140i kindly loaned to us from The Performance Company, we came up with a multiple part solution to maximise all areas.
- +11 BHP
- +19NM Torque
- Induction kit and inlet hose included
- Improved induction noise
- Full instructions
- Prepreg 2x2 twill formed carbon fibre
- Lifetime warranty
Step 1: UK and some EU spec M140i’s have a blank which stops the low-pressure zone that builds up in front of the radiator from entering the inlet tract. We created FMINLD2, a carbon fibre sculped duct to replace the blank, and route more air into the tract towards the airbox.
Step 2: Now that this greater quantity of air has entered the airbox, we need a greater surface area of filtration to maximise the airflow towards the engine. Therefore, we decided on a high-flow performance cone filter and used our development of other upper airbox induction kits to inform our design process to create FMINDK50.
Step 3: The weak link was now the OEM inlet hose with its sound resonator and accordion ribs which cause turbulence and slows down the airflow. We created FMINLH25 (included with this kit) from a multi-ply smooth silicone to significantly reduce turbulent airflow, and to handle big boost builds. We also increased its diameter from 85mm to 90mm.
We used SolidWorks CAD, 3D prints and numerous dyno sessions to truly unlock the power. Simulation testing played a large part in the design process to help maximise the airflow.
We were able to experiment with the airflow entering the chamber from the inlet tract into the lower airbox, by changing the position of the filter, the size and location of the louvres and other variables to ensure that the intake is maximising performance.
The 3D printed prototypes helped with comparing our simulation testing to real world driving conditions.
Please see our video on YouTube which shows dyno testing of our final prototype. This is a valuable comparison that is used in the top tiers of motorsport, now being brought to your vehicle.
The Carbon Fibre
Using carbon fibre brings obvious benefits of strength, lightweight and aesthetics. However, a part that is often forgotten is its low thermal conductivity, which means it reduces heat soak and transmission of said heat to nearby items. Keeping Inlet Air Temps (IAT’s) low is often a difficult part of developing induction systems, so replacing metal or plastic inlet solutions for FMINDK50 will help decrease IAT’s and increase the volume of air supplied to your vehicles engine that is compressed by the turbo charger.
This has a better effect on performance when cool as this is to provide the engine with more oxygen (denser air), thus improving the combustion in each cylinder. In addition, by regulating and reducing the air temperature, it also increases the reliability of an engine by keeping the AFRs (Air Fuel Ratios) in each cylinder at a safe level, which in turn, can increase an engines power due to the air being cooler. A bigger bang is then created within the cylinder, providing the correct amount of fuel is added. This can equate to an increase in BHP and torque.
The Inlet Hose
The sound resonator and accordion ribs on the OEM inlet hose cause significant turbulence to the airflow causing a detriment to the engine’s potential performance. Our improved solution, FMINLH25 (included in this kit), gives you a host of performance upgrades, including:
- Improved induction noise.
- Multi ply silicone construction improves longevity of FMINLH25 over that of the OEM hose.
- 5 ply silicone construction will be able to handle strain of engine mapping far better than OEM hose.
- Increase of diameter at airbox end from 85mm to 90mm.
- Lifetime warranty.
Testing was completed using Performance Remap in Gloucester with their VTEC 4 wheel drive dynamometer. This was to ensure all our data has been achieved with results as accurately as possible by an independent tuner. The results below speak for themselves, also with the added benefit of being a very easy component to fit with no specialist tools this is superb, affordable modification for the BMW enthusiast.
From the Dyno Graph shown above performance gains can be expected from 2500RPM to the red line with 11BHP and around 19NM of torque at peak RPM. The torque increase is clearly visible on the dyno graph and is clear when driving the car. As soon as it comes onto boost you can feel that hit of extra torque pushing you all the way to the redline. The M140i tested on the dyno was stock other than a Pipercross performance panel filter, but with a tuned vehicle you will see greater percentage gains as the vehicle will be able to utilise the increase in volume of cold air.
FMINDK50 is part of our acclaimed Hi Flow range and will ensure that your vehicle is getting critical cold air. Not only is the Forge part a better option for performance, but the carbon fibre really helps to give the engine bay some character. The weave of the carbon has been optimised to match the carbon on the intake manifold, which really shows the level of detail we put into our designs. The high-quality carbon fibre is prepreg 2x2 twill formed in an autoclave from billet tooling and finished with an anti UV gloss gel coat. The Forge Motorsport lifetime warranty* on all hardware products shows the trust we have in the quality of our products while they are being enjoyed on your pride and joy.
The kit comes complete with everything you need for installation (FMINDK50 carbon induction kit and FMINLH25 inlet hose), which can be carried out in around 1 hour, including a set of full colour instructions. For such an easy to fit product it truly does create some remarkable gains. If you are looking at whether FMINDK50 fits a vehicle not specified in our compatible vehicle listing, please check if your OEM upper airbox has a channel for the strut bar to fit through, if it does FMINDK50 will not fit your vehicle. Please contact us with a photo of your engine bay if you have any questions.
More Information
| Part Number | FMINDK50, FMINDK50-CARBON |
|---|---|
| Type of Part | Intakes |
| Engine Fitment | B58 |
| Length | 20 |
| Width | 14 |
| Height | 14 |
| Weight | 10.000000 |
Reviews
Fitment
2012+ F20/F21/F22/F23/F30/F31/F32/F33/F36/F40, M140i, M240i, M340i, M440i, BMW, B58, Carbon Fiber Induction Kit, Intake System, Forge Motorsport, FMINDK50
The B58 engine is a masterpiece from BMW, it makes great power, produces a fantastic noise and with the addition of FMINDK50 you can take these qualities even further. When our development team analysed the OEM airbox and inlet tract on the BMW M140i kindly loaned to us from The Performance Company, we came up with a multiple part solution to maximise all areas.
- +11 BHP
- +19NM Torque
- Induction kit and inlet hose included
- Improved induction noise
- Full instructions
- Prepreg 2x2 twill formed carbon fibre
- Lifetime warranty
Step 1: UK and some EU spec M140i’s have a blank which stops the low-pressure zone that builds up in front of the radiator from entering the inlet tract. We created FMINLD2, a carbon fibre sculped duct to replace the blank, and route more air into the tract towards the airbox.
Step 2: Now that this greater quantity of air has entered the airbox, we need a greater surface area of filtration to maximise the airflow towards the engine. Therefore, we decided on a high-flow performance cone filter and used our development of other upper airbox induction kits to inform our design process to create FMINDK50.
Step 3: The weak link was now the OEM inlet hose with its sound resonator and accordion ribs which cause turbulence and slows down the airflow. We created FMINLH25 (included with this kit) from a multi-ply smooth silicone to significantly reduce turbulent airflow, and to handle big boost builds. We also increased its diameter from 85mm to 90mm.
We used SolidWorks CAD, 3D prints and numerous dyno sessions to truly unlock the power. Simulation testing played a large part in the design process to help maximise the airflow.
We were able to experiment with the airflow entering the chamber from the inlet tract into the lower airbox, by changing the position of the filter, the size and location of the louvres and other variables to ensure that the intake is maximising performance.
The 3D printed prototypes helped with comparing our simulation testing to real world driving conditions.
Please see our video on YouTube which shows dyno testing of our final prototype. This is a valuable comparison that is used in the top tiers of motorsport, now being brought to your vehicle.
The Carbon Fibre
Using carbon fibre brings obvious benefits of strength, lightweight and aesthetics. However, a part that is often forgotten is its low thermal conductivity, which means it reduces heat soak and transmission of said heat to nearby items. Keeping Inlet Air Temps (IAT’s) low is often a difficult part of developing induction systems, so replacing metal or plastic inlet solutions for FMINDK50 will help decrease IAT’s and increase the volume of air supplied to your vehicles engine that is compressed by the turbo charger.
This has a better effect on performance when cool as this is to provide the engine with more oxygen (denser air), thus improving the combustion in each cylinder. In addition, by regulating and reducing the air temperature, it also increases the reliability of an engine by keeping the AFRs (Air Fuel Ratios) in each cylinder at a safe level, which in turn, can increase an engines power due to the air being cooler. A bigger bang is then created within the cylinder, providing the correct amount of fuel is added. This can equate to an increase in BHP and torque.
The Inlet Hose
The sound resonator and accordion ribs on the OEM inlet hose cause significant turbulence to the airflow causing a detriment to the engine’s potential performance. Our improved solution, FMINLH25 (included in this kit), gives you a host of performance upgrades, including:
- Improved induction noise.
- Multi ply silicone construction improves longevity of FMINLH25 over that of the OEM hose.
- 5 ply silicone construction will be able to handle strain of engine mapping far better than OEM hose.
- Increase of diameter at airbox end from 85mm to 90mm.
- Lifetime warranty.
Testing was completed using Performance Remap in Gloucester with their VTEC 4 wheel drive dynamometer. This was to ensure all our data has been achieved with results as accurately as possible by an independent tuner. The results below speak for themselves, also with the added benefit of being a very easy component to fit with no specialist tools this is superb, affordable modification for the BMW enthusiast.
From the Dyno Graph shown above performance gains can be expected from 2500RPM to the red line with 11BHP and around 19NM of torque at peak RPM. The torque increase is clearly visible on the dyno graph and is clear when driving the car. As soon as it comes onto boost you can feel that hit of extra torque pushing you all the way to the redline. The M140i tested on the dyno was stock other than a Pipercross performance panel filter, but with a tuned vehicle you will see greater percentage gains as the vehicle will be able to utilise the increase in volume of cold air.
FMINDK50 is part of our acclaimed Hi Flow range and will ensure that your vehicle is getting critical cold air. Not only is the Forge part a better option for performance, but the carbon fibre really helps to give the engine bay some character. The weave of the carbon has been optimised to match the carbon on the intake manifold, which really shows the level of detail we put into our designs. The high-quality carbon fibre is prepreg 2x2 twill formed in an autoclave from billet tooling and finished with an anti UV gloss gel coat. The Forge Motorsport lifetime warranty* on all hardware products shows the trust we have in the quality of our products while they are being enjoyed on your pride and joy.
The kit comes complete with everything you need for installation (FMINDK50 carbon induction kit and FMINLH25 inlet hose), which can be carried out in around 1 hour, including a set of full colour instructions. For such an easy to fit product it truly does create some remarkable gains. If you are looking at whether FMINDK50 fits a vehicle not specified in our compatible vehicle listing, please check if your OEM upper airbox has a channel for the strut bar to fit through, if it does FMINDK50 will not fit your vehicle. Please contact us with a photo of your engine bay if you have any questions.
