K&N High-Flow Washable Panel Air Filter for BMW 1 Series 123d E81 E82 E87 E88 (2007-2012) – Reusable Cotton Gauze Drop-In Intake/Induction Filter, Fits OEM Airbox – 2.0d Diesel Performance Replacement Upgrade

High‑flow panel filter upgrade for BMW 1 Series 123d 2007 to 2012

Unlock your diesel’s breathing with a premium K&N serviceable panel element engineered for the BMW 1 Series 123d across E81, E82, E87 and E88. This direct‑fit cotton gauze insert slides into the standard airbox and is built to deliver stronger airflow, sharper throttle response and a more eager pull through the rev range, all while maintaining excellent engine protection.

We run these on our own cars and install them for customers every week. Feedback is consistently positive, with noticeable responsiveness and a subtle, more purposeful intake note. It is a simple, worthwhile upgrade for any 123d owner who wants performance without compromise.

Why choose this K&N panel filter

• High‑flow cotton media for improved breathing and punchier mid‑range
• Cleanable and re‑oilable, designed for long service life and long‑term savings
• Fits the factory airbox, no remap required
• Compatible with OE sensors and management systems
• Extended service intervals, up to 50,000 miles between cleans depending on use
• Backed by the famous K&N Million‑Mile Limited Warranty

Fitment

BMW 1 Series 123d, E81 E82 E87 E88, model years 2007 to 2012. Direct replacement for the original paper element in the standard intake housing.

What you get

1 x K&N high‑flow reusable panel air filter for BMW 123d E8x.

Installation and care

Drop‑in swap that can be completed with basic tools. Reuse with a K&N cleaning and oiling kit when service is due. Prefer professional installation We offer fitting at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Why it works

The multi‑layer oiled cotton construction reduces intake restriction compared with standard paper media, helping your turbo breathe more freely. The result is crisper pedal response, smoother acceleration and an enhanced induction sound, while maintaining outstanding filtration for road use.

Search terms customers use for this item

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