K&N 57i-1000 Cold Air Intake / Induction Kit for BMW 3 Series E36 E46 (1995-2007) M52/M54 6-Cyl – Performance Cone Filter Short Ram Intake Upgrade – Fits 320i 323i 325i 328i 325ti 320Ci 323Ci 325Ci 328Ci | K and N 57I 1000

K&N 57I-1000 Induction Upgrade for BMW 3 Series Six-Cylinder Petrol Models

Transform the way your straight-six breathes and sounds with the K&N 57I-1000 open cone intake. This proven kit replaces the restrictive factory airbox on selected BMW 3 Series E36 and E46 models, freeing up airflow for crisper pedal response and a deeper, more engaging intake note. It is a simple, effective bolt-on that pairs brilliantly with an exhaust and a remap.

Part number: 57I-1000

Why enthusiasts choose this kit

• High-flow cotton gauze cone filter for improved engine breathing on M52 and M54 applications
• Sharper throttle feel and a purposeful straight-six induction growl under load
• Vehicle-specific brackets and hardware for a tidy, secure installation
• Washable and reusable filter element for long-term value
• From K&N, a globally trusted name in performance filtration
• Excellent entry point for BMW tuning builds and weekend track cars

Real-world feedback

We run this setup on our own cars and customer vehicles. Owners consistently report a livelier feel, smoother revs and an addictive soundtrack. It is one of our favourite breathing mods for the BMW inline-six platform.

Fitment overview

Designed for selected BMW 3 Series E36 and E46 petrol six-cylinder models including 320i, 323i, 325i, 328i plus related Coupé, Compact and Ci variants where equipped with M52 or M54 engines. Typical coverage includes saloon, coupé and compact from the mid-1990s through to the mid-2000s. If you are unsure about compatibility, we are happy to confirm before you buy.

Compatibility check before dispatch

We verify fitment prior to shipping. Provide your UK registration or the last 7 digits of your VIN at checkout and we will ensure the correct kit is supplied for your car.

Professional installation

Want it fitted by specialists who know these cars inside out? MJ Modifications offers supply and installation at our Warwickshire workshop. Request a fitting quote at info@mjmodifications.co.uk.

What is included

• K&N high-flow cone filter element
• Application-specific mounting hardware and fittings
• Instructions for straightforward DIY installation

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Part number

57I-1000