Serviceable Foam Intake Filter Insert for BMW 1 Series 118d 120d M47D20 2004 to 2012 by ITG

Give your diesel 1 Series a simple breathing upgrade with this ITG foam drop-in filter element. It is a direct-fit insert for the factory airbox on BMW 118d and 120d models using the M47D20 engine, delivering improved airflow, excellent dust control and long service intervals. No software changes required and no cutting of the airbox. Just fit and drive.

Why this ITG foam insert stands out

• High-flow, low-restriction design that helps the engine breathe more freely for sharper response and stronger mid-range pull.
• Three-stage oil-impregnated foam media offers outstanding dirt holding capacity and fine particle filtration to protect the turbo and MAF.
• Reusable and washable construction that outlasts disposable paper elements, reducing waste and long-term costs.
• Direct-fit, OEM-size filter element that seals perfectly in the stock airbox. No remap required.
• Race-bred foam technology refined for daily driving, commuting and spirited B-road use.

Compatibility

BMW 1 Series with the M47D20 diesel engine:

• E81 3-door hatch
• E82 coupé
• E87 5-door hatch
• E88 convertible

118d and 120d, model years 2004 to 2012.

Real-world results

We have run ITG foam elements on our own cars and supplied many to BMW diesel owners. Feedback is consistently positive, with smoother intake flow, crisper throttle response and clean running over extended mileage compared with throwaway paper filters.

Fitting and support

Simple DIY swap in minutes using the standard airbox fixings.

Prefer professional installation or an intake health check? Book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Benefits at a glance

• Drop-in sports filter for OEM airbox
• Washable and reusable foam media
• Low pressure loss for better drivability
• Excellent engine protection and dust capture
• Ideal supporting mod for future upgrades

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Order your ITG foam insert today for a cleaner, freer-breathing BMW 118d or 120d. Enjoy smoother response, strong protection and long-lasting performance from a brand trusted on road and track.