BMW S38B35 3.5-Liter Inline-Six Engine

This BMW S38B35 inline-six engine is one of BMW M’s most celebrated naturally aspirated powerplants, renowned for its race-bred design, mechanical character, and durability. Originally developed for flagship models such as the E28 M5 and E24 M635CSi, the S38 remains a cornerstone of BMW Motorsport history. BMW S38 Engine

This example is offered with a comprehensive selection of supporting components, making it well suited for restoration projects or high-end performance builds.

Engine Specifications & Features

• BMW S38B35 inline-six

• 3.5-liter displacement

• Cast iron engine block

• Aluminum cylinder head

• Dual overhead camshafts (DOHC)

• Six individual throttle bodies with linkages

• Black-finished valve cover and intake plenum

• Tubular exhaust headers

• Fuel injectors

• Distributor with ignition wires

• Water pump

• Flywheel and clutch assembly included

Overview

The S38 is revered for its razor-sharp throttle response, high-revving nature, and unmistakable motorsport sound. Offered here with essential ancillaries already in place, this engine presents an excellent opportunity for an OEM-correct BMW M restoration or a bespoke performance project.

A highly desirable BMW M inline-six engine with iconic specifications and character