
The Definitive Guide To The BMW S54 Engine - Common Faults, Technical Specs, & Upgrades
The inline-six engine has been a staple in BMWs since its introduction, and few have commanded more respect and admiration than the S54B32 found in the E46 M3, among others. The high-strung, naturally aspirated mill screams motorsports pedigree at rest and shrieks its way to a 7900 rpm red line...