Pipercross Performance Air Filter for BMW M5 (E34) S38 & 520i/525i 24V (M50) - PP90 X3M (F97) SUSPENSION CSF is the world leader

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High-Flow Double Cone Dry Air Filter

Pipercross Performance Air Filter for BMW M5 (E34) S38 & 520i/525i 24V (M50) - PP90 X3M (F97) SUSPENSION CSF is the world leaderThe Pipercross PP90 is a high flow panel performance air filter that drops straight into your factory airbox as a direct replacement for the original paper element. It flows significantly more air than the standard filter to improve throttle response, engine breathing and efficiency with no airbox modification required. Like every Pipercross filter it is washable, reusable and built to last. Why Pipercross? Pipercross has been at the forefront of