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BTK S58/B58 Billet Oil Cap
$69.99 USD
Built to Kill USA's new billet oil cap!
Precision-machined billet oil cap designed for BMW B58 and S58 engines. CNC cut from high-quality 6061 aluminum for a perfect OEM-style fit with a clean, motorsport-inspired look that elevates any engine bay.
Made in the USA, this cap offers durable construction, crisp machining, and a secure seal—built to handle daily driving and track abuse alike. A simple upgrade that delivers premium feel and long-term reliability.
BLACK Anodized version available soon! Raw aluminum has a high likeliness of corrosion and is easily damaged.