MMX Performance E-Chassis N54 Elite Tri-Foam Panel Air Filter

The MMX Performance BMW E-Chassis N54 Elite Series Panel Air Filter is the top-tier filtration upgrade for the N54-powered 135i, 1M, and 335i. Where the standard MMX cotton gauze filter is the easiest entry-point upgrade for these airboxes, the Elite Series steps up to a premium tri-foam construction inspired by Formula 1, World Rally, and Touring Car filtration technology.

The filter uses a layered tri-foam media built around a stainless steel wire mesh structural cage, the same ITG-based architecture that motorsport teams have used for decades to maximize airflow with minimum pressure drop. The result is a filter that delivers significantly more airflow than the standard paper element while still providing outstanding filtration efficiency. Throttle response sharpens, the induction note becomes more present under load, and the turbos see cleaner, more abundant air.

The filter is engineered to drop straight into the factory airbox, no modification, no cutting, no airbox opening required. Crafted to OEM standards for design and durability, it fits like a factory part and lasts well beyond the service life of any disposable paper filter. Washable and reusable with the appropriate cleaning kit, it's a one-time purchase that stays with the car.

For N54 owners building toward serious power, or simply seeking the best filtration the platform supports, this is the definitive panel filter.

Product Details

• Stainless steel wire mesh structural cage (ITG-based architecture)
• Direct OE replacement: drops into the factory airbox
• Significant airflow improvement vs. paper OEM filters
• Outstanding filtration with enhanced induction sound
• Designed for both road and competition use
• SKU: MMR01-HMP-526

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• MMX Performance BMW E-Chassis N54 Charge Pipe

Notes

• Fitting is very straightforward and takes approximately 10 minutes. Easily returned to standard if needed.
• Includes a 1-year manufacturer warranty against defects in materials and workmanship
• Designed and tested in the United Kingdom
• View emissions compliance notice