Gives my petrol 3 series BMW about 15% improved mpg, car sounds a bit better too.
Verified purchase: Yes | Condition: New
K&N Airfilter BMW E39 etc, thinner, more air, better lifespan, cotton - original is paper, Fits in airfilter box - plug and drive.
Verified purchase: Yes | Condition: New
Great improvement better acceleration, smoother running, slightly better fuel consumption & sounds great, & its cleanable , HAPPY DAYS. CHAPPO
Verified purchase: Yes | Condition: New
Works great and well made and itโs making my car run better ๐
Verified purchase: Yes | Condition: New
Always use them, great air delivery.
Verified purchase: Yes | Condition: New
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