K&N Air Filter 33-3134 For BMW X3 X4 M40i, X5 M50d, M550d, 750d & Alpina D5 3.0L Engines (2016–2025)

Upgrade your BMW’s performance with the K&N 33-3134 High-Flow Air Filter, designed to deliver improved airflow, increased horsepower, and long-lasting filtration efficiency. Featuring K&N’s renowned layered oiled cotton media, this washable and reusable panel filter offers up to 99% filtration efficiency while maintaining superior airflow to the B58 and B57 3.0L engines found across BMW’s M40i, M50d, M550d, 750d, and Alpina D5 models. Built with premium materials for rugged durability, the 33-3134 is pre-oiled and ready to drop straight into your factory air box—no modifications required. Backed by K&N’s No-Hassle Lifetime Limited Warranty, this filter can be cleaned and reused every 75,000 miles, saving money over disposable alternatives while reducing environmental waste.

Key Features

• Enhanced Engine Performance: Improves horsepower, throttle response, and overall efficiency.

• Premium Build Quality: Crafted from multi-layered oiled cotton gauze with a precision-moulded rubber frame.

• Long Service Interval: Clean and re-oil every 75,000 miles under normal driving conditions.

• Lifetime Use: Designed to last for the lifespan of your vehicle with K&N’s lifetime warranty.

• Eco-Friendly Solution: Reusable design reduces landfill waste from disposable filters.

• Quick Installation: Direct replacement for your factory air filter—no tuning or modification needed.

Compatibility

Fits the following BMW 3.0L L6 petrol and diesel models (2016–2025):

• BMW X3 M40i (G01)

• BMW X4 M40i (G02)

• BMW X5 M50d (G05)

• BMW M550d (G30/G31)

• BMW 750d (G11/G12)

• Alpina D5 (G30)

Technical Specifications

• Filter Type: Washable & Reusable Panel Air Filter

• Material: Oiled Cotton Gauze

• Height: 41 mm (1.625 in)

• Length: 270 mm (10.625 in)

• Width: 214 mm (8.406 in)

• Efficiency: Up to 99%

• Warranty: K&N No-Hassle Lifetime Limited Warranty