K&N 57-0197 Performance Air Intake Induction Kit for BMW 5 Series E34 525i 2.5 Petrol 1988-1991

K&N 57-0197 Induction System Upgrade for BMW E34 525i 2.5 Petrol 1988 to 1991

Unlock smoother airflow and a stronger intake note on your classic 5 Series with the K&N 57-0197. This high-flow induction setup replaces the restrictive factory tract on the 2.5 straight six, delivering crisper throttle response and a more engaging drive without compromising everyday usability. The cotton gauze element is washable and reusable, making it a smart long-term upgrade for enthusiasts who want performance and practicality in one package.

We have installed this kit at MJ Modifications and customer feedback has been excellent, praising the sharper response and purposeful sound under load. If you are searching for a cone filter conversion, open air filter kit, sports induction kit, performance intake upgrade, uprated inlet system or an aftermarket filter solution for the E34 525i 2.5 petrol, this is exactly the part you are after.

Key benefits

• Free-flowing intake path for improved engine breathing and a sporty induction growl
• Reusable cotton gauze filter element for long service life and easy maintenance
• Direct replacement upgrade designed to suit the 2.5 fuel-injected six-cylinder
• Proven, enthusiast-approved kit ideal for road use and spirited driving
• Quality components from a trusted brand in performance filtration

Vehicle suitability

Intended for:

• BMW 5 Series E34
• 525i 2.5 petrol, fuel injected, inline-six
• Model years 1988, 1989, 1990, 1991

Not sure it fits your car. At checkout, include your UK registration or last 7 of your VIN and we will verify compatibility before dispatch.

Part number

57-0197

Professional fitting

Want it installed properly. MJ Modifications in Warwickshire offers fitting for this K&N 57-0197 kit on BMW E34 525i models. Request a quote by emailing info@mjmodifications.co.uk.

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