BMW S38B35: Performance, Legacy, and Driving Excellence

The BMW S38B35 stands as a benchmark in inline-six engine design, delivering a perfect blend of power, refinement, and reliability—renowned among driving enthusiasts for its dynamic character and engineering precision.

Developed in the early 2000s, the S38B35 inline-six delivers 208 horsepower and 177 lb-ft of torque across a broad RPM range. Its lightweight construction, precise fuel injection, and balanced crankshaft design ensure smooth operation and responsive throttle response, making it a favorite in BMW’s sporty sedan lineup.

Though originally introduced in the BMW 3 Series E46, the S38B35 cemented BMW’s reputation for crafting engines that marry efficiency with excitement. Known for its durability and linear power delivery, it remains a sought-after upgrade in modified sedans, appealing to drivers who value driving engagement and mechanical integrity.

Owners seeking to maximize the S38B35’s performance can benefit from modern tuning solutions, including optimized ECUs, performance air filters, and upgraded fuel systems. Regular maintenance focused on valve train components and sensor calibration preserves peak performance while ensuring long-term reliability.

The BMW S38B35 isn’t just an engine—it’s a driving experience defined by precision and passion. Whether restoring a classic or enhancing a modern sedan, this inline-six delivers unmatched character and performance. Discover how the S38B35 elevates every mile—step behind the wheel and feel the difference.

^ "BMW S38B35 car engine". bmw-grouparchiv.de. Archived from the original on 27 July 2020.

Retrieved 17 June 2019. ^ "BMW S38B38 automotive engine". bmw-grouparchiv.de.

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Archived from the original on 18 November 2012. ^ "FAQ E28 M5". www.bmwmregistry.com.

Retrieved 16. The S38B35 engine was designed to deliver an exhilarating driving experience while maintaining the reliability that BMW is known for. Positioned as a performance-oriented engine, it found its home in several iconic models during the late 1980s and early 1990s.

This BMW S38B35 engine benefits from a recent rebuild by Henry Lawrence of The Power Plant. It now displaces 4.0 liters instead of the original 3.5, and it has a slew of upgraded internal parts to make it suitable for racing use. The BMW S38 is an inline-six cylinder engine that debuted in 1984, it became the worldwide replacement for the M88 engine, which had powered some of BMW's most.

Discover the reliability, common problems, and service bulletins for the Engine BMW S38B35. This BMW S38B35 inline-six was acquired by the current owner approximately one year ago and rebuilt to displace 4.0 liters by Henry Lawrence of The Power Plant in Greensboro, North Carolina. The engine features a cast-iron block as well as an aluminum cylinder head and is said to have been fitted with Wiseco forged pistons, Crower connecting rods, a custom crankshaft and camshafts, Supertech.

BMW S38 (E28 M5) The E28 M5, introduced in 1982, was the first of its kind and set the benchmark for future performance sedans. The S38B35 engine variant powered this model, showcasing a blend of power and refinement. 1988 BMW M5 Additional Info: 1988 BMW M5 VIN: WBSDC9309J2875312 Mileage: 164,819 This BMW M5 E28 is quite rare and collectible.

These were hand built, with only 2,191 made. North American 1988 models used the S38B35 engine, equipped with a catalytic converter and horsepower up to 256 hp. For BMW enthusiasts and restorers, the S38B35 engine is a piece of motorsport history.

This complete motor, pulled from a wrecked 1988 BMW M5 (E28) with only 60,000 miles, is the ultimate upgrade or replacement for classic BMW projects. 3 453 ccm (211cui), gasoline, 188 kW (256 PS), 330 Nm (243 ft/lb), DOHC. The S38B35 was based on the M88/3, but with changes including a dual-row timing chain, camshaft, compression ratio lowered to 9.8:1 and fitted with a catalytic converter.

Application: BMW E28 M5 (NA spec), BMW M6 (NA spec), BM. Complete S38b35 engine assembly. includes air box, maf, DME, harness, manifolds.

126,000 miles when removed. Compression results; #1 = 190psi #2 = 190psi #3 = 190psi #4 = 185psi #5 = 185psi #6 = 190psi * performed on engine at operating temperature, wide open throttle bodies and disconnected fuel [].