Replace your standard paper air filter with any one of these cotton performance air filters below.

They help your engine breathe and run much better by helping pass through more cleaner air and they all come with a 1 million mile warranty so should last the lifetime of the car.
These cotton air filters are much better at keeping out the dirt and dust so will help keep your engine running at its maximum performance.
The cotton air filters are direct replacements so just remove your old air filter. Fit the new one back the same way. Job done.

Audi A4/S4/RS4 - K&N air filter


Audi A4/S4/RS4 - Jetex air filter


Each air filter is composed of layers of special cotton gauze soaked with low viscosity oil for better filtration efficiency without compromising air flow penetration.
The filter is covered with an epoxy coated alloy mesh to ensure protection from petrol fumes and oxidization due to air humidity.
BMC air filters give better performance to the engine, both in terms of power and torque without compromising reliability.






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