🔧 Costa Engine Air Filter CAF-31421U / CAF9204
OEM Replacement: 13 72 1 730 946
Fits: Select BMW models (commonly used in classic and performance models – confirm exact fitment)
✅ Why Choose Costa Over Standard Filters?
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🔬 High-Efficiency Filtration (99%) – Captures fine particles like dust, pollen, and debris to keep your engine cleaner longer
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💨 Performance-Focused Airflow – Improves throttle response, fuel economy, and overall power delivery
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🛡️ Extended Filter Life – Delivers dependable filtration performance for up to 15,000 km / 9,300 miles
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🔩 OEM+ Fit & Finish – Exact dimensions for a hassle-free installation without gaps or modifications
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🌦️ All-Season Durability – Resistant to heat, moisture, and rough driving conditions
🔄 Replaces OEM Part:
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BMW Part No.: 13 72 1 730 946
✅ Outperforms many filters from FRAM, STP, WIX, Bosch, and other standard aftermarket brands.
🆚 Costa vs OEM & Generic Filters
| Feature | Costa CAF-31421U / CAF9204 | OEM 13 72 1 730 946 | Standard Aftermarket Filters |
|---|---|---|---|
| Filtration Efficiency | ⭐⭐⭐⭐⭐ Up to 99% | ⭐⭐⭐⭐ ~90% | ⭐⭐–⭐⭐⭐ |
| Engine Airflow | Engineered High-Flow | Standard | Moderate |
| Filter Media | Multi-layer Synthetic Fiber | Paper | Basic Material |
| Service Life | 12,000–15,000 km | ~10,000 km | ~8,000–10,000 km |
| Installation Fit | OEM+ Exact Fit | OEM Fit | May Require Adjustment |
| Build Durability | Heat & Moisture Resistant | Standard | Varies by Brand |
📦 What’s Included:
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1x Costa CAF-31421U / CAF9204 Premium Engine Air Filter (sealed for freshness)
🚗 Clean Air. Stronger Engine. Trusted Costa Quality.
Give your BMW the performance boost it deserves. The CAF-31421U / CAF9204 is the premium replacement for 13 72 1 730 946 — designed for drivers who demand cleaner air and longer-lasting protection.
🏁 Costa – Engineered for Performance. Priced for Value.
255*175*58
