Forge Motorsport Carbon Fibre Inlet Duct BMW F Chassis 12-Present
£163.20
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- 14 Day Return Period
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Description
Highlights:
- Reduced inlet air temperatures
- Better throttle response
- Fits both right and left hand drive vehicles
- Easy to fit
- Lifetime warranty
- Carbon Fibre

BMW designed the intake path to pull air from the low-pressure zone in front of the radiator, however during testing we found that there is a drop in performance at speeds above 35mph when compared to FMINLD2. By creating a direct air feed to the inlet tract, this helps to force air towards the airbox/intake helping with throttle response and keeping inlet air temperatures (IAT’s) at a reduced and more consistent temperature. A reduced consistent temperature is of great importance because any high temperature peaks will cause the ECU to retard the ignition and reduce the power you have available.



By utilising 3D Scanning and 3D Printing we were able to test several variations to find the optimum design to redirect the airflow. The BMW F20 M140i, F30 330D/335D had 3D printed variants fitted to them during the development process for long term road testing before we moved into the production process. Although the vehicles named above were the choice of our development engineers the inlet ducts are not limited to the vehicles in question; please look at our compatibility list for the full range of vehicles.


FMINLD2 is a simple bolt-on product which is easy to fit in approximately 45 minutes with no specialist tool, drilling or cutting required. Not only is the Forge part a better option for performance, but the carbon fibre really helps to give the front of your BMW a pleasant aesthetic appearance. The high-quality composite fibre is manufactured from 100% prepreg 2×2 carbon fibre twill formed in an autoclave from billet tooling and finished with an anti UV gloss gel coat. The Forge Motorsport lifetime warranty on all our hardware products shows the trust we have in the quality of our products while they are being enjoyed on your pride and joy.

FMINLD2 has been tested across multiple different F chassis vehicles and depending on your vehicle you will require a different sided inlet duct, or in some cases both. For example, the M140i has its intake on the driver’s side (RHD) and requires INLD2-P, the F30 330D/335D has its intake on the passenger’s side (RHD) and requires INLD2-D and if desired, you can fit both left and right with INLD2-M.
The below infographic helps to explain what inlet duct fits your vehicle however, any car can run both if you prefer the symmetrical aesthetic appearance.



Why not complement our forced induction air ducts with our Forge Motorsport replacement high flow panel filter for the BMW B48/B58 (FMPAN-0172) for the OEM airbox, or alternatively one of our performance high-quality induction kits or inlet hoses.

Time taken to install – around 45 minutes

Complimentary Products
RETURNS & Warranty
Returns Policy
We want you to shop with confidence at Sansoms Specialist Parts. If you are not completely satisfied with your purchase, you may return eligible items in accordance with the policy below.
Returns must be requested within 14 days of delivery
Items must be unused, uninstalled, and in original packaging
Products must be returned in a resaleable condition
Proof of purchase is required
Custom-made, special-order, or clearance items may be non-returnable unless faulty.
How to Request a Return
Please contact our support team before returning any item. Returns sent without prior authorisation may be refused.
Email: support@sansomsspecialistparts.co.uk
Include your order number and reason for return.
Refunds
Once your return has been received and inspected, we will notify you of the outcome. Approved refunds will be processed to the original payment method within 5–10 working days.
Original shipping costs are non-refundable unless the item is faulty or incorrect.
Warranty Information
All products sold by Sansoms Specialist Parts are covered by a manufacturer’s warranty, where applicable.
Warranty coverage typically includes:
Manufacturing defects
Faults occurring under normal use
Warranty does not cover:
Incorrect installation
Wear and tear
Damage caused by misuse or modification
Track or competition use unless stated otherwise
Warranty Claims
To make a warranty claim, please contact us with:
Order number
Description of the issue
Supporting photos or videos
Claims are subject to inspection and manufacturer approval.
Important Notes
Professional installation is strongly recommended
Warranty may be void if parts are incorrectly fitted
Vehicle compatibility is the customer’s responsibility
Need Help?
If you have any questions regarding returns or warranty, our team is happy to assist.
Delivery & Stock
Delivery Options
We aim to get your performance parts to you as quickly and safely as possible.
Standard UK Delivery: 3–5 working days
Express UK Delivery: 1–2 working days (subject to availability)
International Delivery: 5–10 working days (depending on location)
All orders are carefully packaged to ensure your parts arrive in perfect condition.
Shipping Costs
Standard delivery is charged at checkout based on weight and destination
Free UK delivery on orders over £100
We offer tracked shipping so you can monitor your order every step of the way.
Stock Availability
Most parts are held in stock for immediate dispatch
Some specialist or custom parts may have longer lead times
Stock levels are updated regularly, but occasionally items may be temporarily unavailable
If a product is out of stock, we will notify you immediately and offer alternatives or an estimated delivery date.
Order Processing
Orders are typically processed within 1–2 working days
You will receive a confirmation email once your order has been dispatched
Large or heavy items may require additional handling time
Important Notes
Performance parts may require professional installation
Delivery times are estimates and may vary during peak periods
International shipments may be subject to customs or import fees







