MMX Performance F8X S55 / F1X S63 Elite Tri-Foam Air Filter Set

The MMX Performance F8X (S55) / F1X (S63) Elite Series Panel Air Filter Set is the top-tier filtration upgrade for both the S55 and S63 BMW M-cars. Where the standard MMX cotton gauze filter is the entry-point upgrade, the Elite Series steps up to a premium tri-foam construction inspired by Formula 1, World Rally, and Touring Car filtration technology, engineered for both road and competition use.

Each filter uses a layered tri-foam media built around a structural cage, designed 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. Combined with the OEM-standard fit and finish, it's a filter that performs like motorsport hardware while looking like factory equipment.

The set drops directly into the OE airbox in roughly 10 minutes, no airbox modification, no cutting, no airbox surgery. Crafted to OEM standards for design and durability, the filter is washable and reusable with the appropriate cleaning kit, making it a one-time purchase that stays with the car.

For S55 and S63 owners building toward serious power, or simply seeking the best filtration the platform supports, this is the definitive panel filter set.

Product Details

• 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
• Crafted to OEM standards for design, quality, materials, and durability
• SKU: MMR01-HMP-814

What's Included

• Two MMX Elite Series tri-foam panel filters

Notes

• Sold as a pair.
• The base F87 M2 (N55) is NOT compatible, this is an S55/S63 fitment only.
• Includes a 1-year manufacturer warranty against defects in materials and workmanship
• Designed and tested in the United Kingdom