K&N High-Flow Washable Panel Air Filter for BMW 3 Series GT (F34) 340i GT 2016-on | Drop-In OEM Replacement | Reusable B58 Performance Filter

Reusable Intake Filter Upgrade for BMW 3 Series Gran Turismo F34 340i 2016 on

Give your B58 powered 340i Gran Turismo the breathing it deserves with this K&N serviceable intake element. Engineered to boost airflow through the factory air box, this cotton gauze insert helps sharpen throttle response, smooth out acceleration and support reliable performance while maintaining excellent engine protection. A smart, long term upgrade that replaces the disposable paper element with a durable, washable solution.

Why this reusable intake element is a top choice

• Improved intake flow for crisper response and stronger pull across the rev range
• Oiled cotton media delivers outstanding filtration and protection for the B58 turbo straight six
• Direct fit insert for the stock air box - no mapping or modifications required
• Cleanable and reusable - designed to last for the life of the vehicle
• Extended service intervals - up to 50,000 miles between cleans depending on driving conditions
• MAF sensor friendly and compatible with factory electronics
• Backed by K&N’s Million Mile Limited Warranty for peace of mind

Proven on our cars and loved by customers

We run these filters on our own fleet and supply them to BMW enthusiasts across the UK. Feedback is consistently positive - faster pedal response, smoother mid range and the money saving convenience of a filter you can clean and refit. Pound for pound, it is one of the best value breathing upgrades for the BMW F34 platform.

Fitment

• BMW 3 Series Gran Turismo F34 340i 2016 on
• Fits the original air box as a like for like insert

Installation and care

Simple DIY fit in minutes with basic tools. When servicing is due, clean and re oil using a K&N care kit to restore performance. Typical cleaning intervals are up to 50,000 miles depending on environment and usage.

Professional fitting

Prefer us to install it for you. MJ Modifications offers fitting at our Warwickshire workshop. Request a quote at info@mjmodifications.co.uk.

Part number and compatibility check

Part number varies by air box variant. Contact us with your registration or VIN and we will confirm the correct K&N code for your F34 340i before dispatch.

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