K&N High-Flow Washable Reusable Air Filter for BMW 1 Series 135i N55 (E81 E82 E87 E88) 20072012 | Drop-In Panel OEM Replacement Performance Filter

Give your BMW 135i the breathing it deserves with a K&N serviceable intake filter element. This direct-fit panel insert slots into the original air box on the 1 Series with the turbocharged N55 engine for a quick, fuss-free upgrade that helps the straight-six breathe more freely, sharpening throttle response and making every gear change feel more eager.

At MJ Modifications we run K&N filters on our own cars, and our customers consistently report crisper pedal feel, smoother pull through the revs and the bonus of a cleanable, long-life filter that saves money over throwaway paper elements. It is a proven upgrade for the 135i and a smart alternative to standard filters.

Highlights

• Free-flowing intake element for the N55 3.0 turbo straight-six
• Cleanable and reusable cotton media for long-term value
• Straight swap into the OE air box for a quick install
• No remap required and fully compatible with factory electronics
• Long service interval, up to 50,000 miles between cleans depending on conditions
• Backed by K&N Million Mile Limited Warranty
• A durable, cost-effective upgrade that reduces waste versus disposable filters

Why enthusiasts choose it

More flow means your N55 can inhale with less restriction, helping improve acceleration and responsiveness. Because this is a reusable, serviceable filter, you pay once and maintain it for the life of the car. The result is a sharper, more engaging drive and lower running costs over time.

Compatibility

BMW 1 Series 135i with N55 engine, 2007 to 2012: E81, E82, E87, E88. Not sure it fits your car? Email us your registration or VIN and we will confirm before you buy.

Fitting and support

Install is a simple straight swap at home in minutes. Prefer a professional? Book fitting at MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

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