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Discussion Starter · #1 ·
This is one of the best Drop In Air Filters available for your smart!

OEM paper filters present an elevated resistance to the passage of air and consequently a reduction in engine performance. Compared to a paper filter the BMC Air Filter permits a notably higher air flow passage, producing less than half the Pressure Drop over the paper filters.





To get this drop in performance air filter for your 451 model smart please visit the link below:
smart fortwo 451 Air Filter - BMC Online Store - smart car Parts and Accessories
 

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Discussion Starter · #2 ·

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Discussion Starter · #3 ·
The principal difference between BMC Oiled Cotton Filters and synthetic material filters is seen in the ability to retain air impurities.

Synthetic filters allow the passage to particles smaller than the size of the tiny holes in the filtration material- this means that a filter with 80 micron holes allows the passage of all elements of a size smaller than the hole, only guaranteeing containment of particles larger than the dimension of the hole.

The cotton has a wider texture which favors a greater air-flow passage and through the combination of the different oiled layers, guarantees containment of all impurities from as small as 7 microns.



For more information on this Drop In Performance Air Filter for your smart 451 please visit the link below:
smart fortwo Performance Air Filter - 451 model - BMC - SMART MADNESS - Auto Parts and Accessories
 

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Discussion Starter · #4 ·
BETTER THAN OEM FILTERS

OEM paper filters present an elevated resistance to the passage of air and consequently a reduction in engine performance.

Compared to a paper filter the BMC Air Filter permits a notably higher air flow passage, producing less than half the Pressure Drop over the paper filters.

This doesn't compromise the filter's engine protection efficiency: thanks to the combination of the different oiled layers, containment of all impurities is guaranteed as far as 7 microns, while paper filters generally require total filtration of particles as small as 10 microns.

So BMC air filters let more air into the engine while still protecting it better than paper ones.



For more information on this BMC Drop In Performance Air Filter for your smart 451 please visit the link below:
smart fortwo Performance Air Filter - 451 model - BMC - SMART MADNESS - Auto Parts and Accessories
 

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Discussion Starter · #5 ·
Increase performance in your smart 451 with this Drop-in Replacement Air Filter by BMC!

The BMC air filter is composed of a metallic mesh covered by an oiled multilayer cotton filtration material. This guarantees a high level of filtering efficiency and a limited loss of air pressure.

The oil used gives the material its “sticky” adhesive characteristic which aids in the retention of air impurities, without compromising or blocking air flow penetration. This also creates a continuous filtering process.



To view the full details on the BMC Performance Drop-In Replacement Air Filter for your smart 451 model please visit the link below:
smart fortwo Performance Air Filter - 451 model - BMC - SMART MADNESS - Auto Parts and Accessories
 
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