Description SPA Turbo’s intake manifold was designed for upgrades builds, having a bigger plenum volume, which, along with the tapered runners design, it will handle higher airflow numbers and it is the perfect solution for those who wants high performance and durability, guaranteed by the cast aluminum construction. Application: BMW E36 and E46 body (M50 / M50 / M52 / S50 / S52 engines) Fuel rail: M50/US S50 fitment Throttle body bolt hole pattern: without holes (for tb choice) TB mount: front Internal volume: 5,43L Material: Cast aluminum