High-Flow Air Intake Efficiency for Mercedes-Benz W203 C-Class with M111 Kompressor Engines Who It’s For: Designed specifically for Mercedes-Benz C-Class owners (W203 chassis) running the supercharged M111 engine family, commonly found in the early 2000s C200 and C230 Kompressor models. The Problem: The M111 Kompressor engine relies entirely on the efficiency of its Eaton supercharger to produce power. Factory paper filters are designed for silence and long service intervals, not maximum flow. Over time, these thick paper elements become a bottleneck, increasing pumping losses and preventing the M111 from reaching its full boost potential while trapping heat in the intake tract. The Solution: We offer this BMC high-performance panel filter to correct the breathing limitations of the stock airbox. By utilizing multi-layered cotton gauze soaked in low-viscosity oil, this filter allows a significantly higher volume of air to reach the supercharger. It improves filtration down to 7 microns (vs 10 microns for OEM) and utilizes a "Full Moulding" system for a structural seal that won’t crack or leak under the high-vacuum conditions of a forced-induction engine. Why This is the Ultimate Upgrade Enhanced Supercharger Response: Reduced restriction allows the Kompressor to spool and build boost pressure faster, sharpening throttle response across the RPM range. Lifetime Durability: Unlike disposable paper filters, this unit is washable and rechargeable using a standard regeneration kit, making it the last filter your W203 will ever need. Precision Fitment: Engineered with a single-piece mold (no welded joints), ensuring a 100% airtight seal within the factory airbox to prevent unfiltered "dirty" air from entering the intake. Technical Specifications Fitment 2000-2002 Mercedes-Benz C-Class (W203) Engine Family M111 Kompressor (Supercharged I4) Factory Ratings 163 HP - 197 HP / 170 lb-ft - 207 lb-ft Filter Material Multi-layered Oiled Cotton Gauze & Alloy Mesh Compatibility & OEM Reference Fits the Following Vehicles: 2000-2002 Mercedes-Benz C-Class (W203/C203/S203) C 200 Kompressor 2.0L (Engine: M 111.955) 2000-2002 Mercedes-Benz C-Class (W203/C203/S203) C 230 Kompressor 2.3L (Engine: M 111.981/983) Interchange Part Numbers & Engine Codes: M 111.955, M 111.981, M 111.983, W203, C203, S203 The Performance Promise Buy with confidence. This is a direct-fit performance upgrade that maintains factory emissions compliance while improving the efficiency of your supercharged powertrain. Backed by real automotive expertise and premium Italian engineering.
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