The Hengst Air Filter ensures optimal engine performance by filtering out dust and contaminants, providing clean intake air.
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Gasket used to seal the throttle body onto the intake manifold
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Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application.
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Restore your BMW’s crankcase ventilation with this high‑quality Breather Valve Diaphragm Spring and Cap (11127803790).
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Brand:
ES#:
5394230
Mfg#:
11127803790
In Stock
ON SALE!
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$15.99
This product was last offered at the strikethrough price on 05-02-2026
All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.
Lifetime Replacement
