K&N Washable Reusable Panel Air Filter for BMW 1 Series 135i N54 3.0 Twin Turbo (E81/E82/E87/E88) 2007-2010 | Drop-In Direct Fit OEM Airbox Replacement | Performance Intake/Sports Induction Upgrade

Performance Panel Filter Upgrade for BMW 135i N54 3.0 Litre Twin‑Turbo (E81 E82 E87 E88) 2007 to 2010

Give your turbocharged straight‑six the airflow it deserves with this genuine K&N direct‑fit panel element. It slips straight into the original air box on the 1 Series 135i and lets the engine breathe more freely for sharper throttle response, smoother acceleration and a more engaging drive while maintaining excellent engine protection.

Why this K&N replacement element is a smart upgrade

• Improved intake flow for responsive performance on the N54 twin‑turbo engine
• Outstanding filtration to help protect your 3.0 litre powerplant
• Direct replacement panel element for the factory air box, no cutting or drilling
• Washable and reusable for the life of the vehicle for long‑term savings
• Extended service intervals, up to 50,000 miles between cleans depending on conditions
• Fully compatible with factory sensors and electronics
• Covered by K&N’s Million Mile Limited Warranty

Vehicle compatibility

BMW 1 Series 135i 3.0 twin‑turbo petrol N54
E81, E82, E87, E88 chassis
Model years 2007, 2008, 2009, 2010

Simple DIY fit

A true drop‑in upgrade. Open the air box, remove the disposable paper element and install this K&N panel filter. No remap, no additional parts and no modifications needed.

Durable and cost‑effective

Designed to be cleaned and reused, this serviceable filter reduces waste and saves money over time. Follow K&N’s cleaning instructions to keep airflow and protection consistent for years to come.

Tried, tested and enthusiast approved

We run these on our own cars and customers consistently report easier breathing, great build quality and superb long‑term value. A proven intake upgrade for any 135i owner who wants reliable gains from a quick, factory‑style install.

Professional fitting

Want it installed for you. Book in with MJ Modifications in Warwickshire for expert fitting and support. Email info@mjmodifications.co.uk for a quote.

Common search terms

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