ARMA Speed Drop-In Filter suit BMW F32 420 LCI B48 B58

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ARMA Speed Drop-In
OEM Replacement Filter

Replacement Air Filter for OE Part # 13718605164

››› Appearance

Maximised space utilisation with 3D design.  Engineered design specific to vehicle application, making full use of the limited space of the OE air box,  amplifying air storage efficiency to the max.

››› Internal design

Combining three layers of mixed density sponge, utilising the air filtration surface to the max resulting in excellent air intake efficiency.

››› High-performance filtration sponge 

Choosing sponge as the air filter media, as used in motorsport applications, 3D construction design, combining 3 levels of sponge density, creating three-dimensional space to store dust.  Rich sponge surface density allows sufficient clearance for air to travel in maintaining efficient intake filtration.

All Armaspeed sponges are Made in Germany.

››› Applying fluid mechanics design

All Armaspeed‘s products are engineered by hydrodynamic design. To ensure product will function at maximum capability, Arma's design team aims to achieve the highest efficiency in all areas.

››› Aluminum alloy frame construction

Constructed with an anodised aluminum frame to maximise the use of the 3D internal space and strengthen the durability. Ensuring maximum usage of available space within the air intake box.

››› ISO 5011

All Arma Speed products are governed under ISO 5011, through testing in the controlled environment by giving a various level of filtration flow and dust, all data received is through analysis of this term as the final result. By data shown, ARMA products are able to achieve 94.9%-99.5% filtration rate. All design and testing is to achieve a final product with great engine protection and thrilling driving experience.

Regular Sponge material: The foam wall is unprocessed. This type of sponge is constructed at low cost and the air filtration efficiency is poor, resulting to be a non-suitable material for an automotive air filter.
ARMA Sponge Filter: is treated through network processing to remove the foam between the original mask and wall film sponge retaining the main body of the foam structure resulting in excellent ventilation.