Pipercross Performance Panel Air Filter for BMW 3 Series E90/E91/E92/E93 316d 318d (09/09+) Diesel - High-Flow Washable Foam, Direct OEM Replacement, UK Made, Lifetime Warranty

BMW E90 E91 E92 E93 316d 318d 2009 onwards - Pipercross foam panel insert for the factory airbox

Give your diesel 3 Series a simple yet effective breathing upgrade with a British-built Pipercross panel insert. This serviceable foam element drops straight into the standard airbox on E9x 316d and 318d models from 09/09+, delivering freer airflow, reliable filtration and long-term savings versus disposable paper elements. We run these on our own cars and customer feedback has been consistently strong.

Why this uprated intake filter is a smart choice

• Fits the original airbox - no cutting, no extra hardware, no mapping required
• Proven increase in airflow compared with a paper element - up to 30 percent in testing
• Supports smooth, responsive engine breathing on daily drives and motorway miles
• Triple-layer foam media offers outstanding dust retention and engine protection
• Washes clean for repeated use - a cost-effective, eco-friendly alternative to throwaway filters
• Hand built in Northamptonshire by Pipercross and guaranteed for life for road use
• Long service intervals - holds more dirt before restriction than thin paper or cotton

Foam filtration advantages over paper and cotton

Pipercross uses progressive-density foam that captures particles through multiple layers without choking flow. The outer layer stops larger debris, the mid layer handles the finer stuff and the inner layer finishes the job. The result is strong, consistent airflow for longer, even in real-world UK conditions, while safeguarding your engine.

Vehicle compatibility

• BMW 3 Series E90 Saloon - 316d, 318d - 09/09 onwards
• BMW 3 Series E91 Touring - 316d, 318d - 09/09 onwards
• BMW 3 Series E92 Coupe - 316d, 318d - 09/09 onwards
• BMW 3 Series E93 Convertible - 316d, 318d - 09/09 onwards

What owners notice

Our customers regularly report smoother intake sound, cleaner throttle response and the peace of mind that comes with a premium, British-made product that they can clean and reuse. It is a straightforward, worthwhile modification that complements both stock and lightly tuned cars.

Care and maintenance

• Remove, wash, allow to dry and refit - no special tools needed
• Clean intervals depend on use and environment - inspect at service time
• Designed to be reused for the life of the vehicle when cared for correctly

Professional fitting and support

Installation is a simple swap in the original airbox. Prefer us to handle it? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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Order today and let your E9x diesel breathe freely with a quality Pipercross upgrade that pays for itself over time.