Single throttle body intake manifold engineered for the BMW S38 engine, featuring a precision-machined billet flange. Factory-built in E34 chassis configuration with adaptability for other models via modification. Compatible with bottom-mount filter housing or optional adapter. All manifolds are custom-built to order with standard 2-week lead time. O-rings supplied separately. Premium finish options available: gloss black or semi-gloss powder coating ($120 USD upcharge). Track-proven design for serious M performance builds.