Here are the 3 most reliable bmw engines of all TIME. First is the bmw e90/e92 M3. This engine had rod bearings that were super strong & reinforced the reliability of the engine. Second is the bmw F80 ...

A rebuild update on the BMW M2 with the S55 engine, filmed in 4K. This video covers the crank hub fix and shows how the engine now performs better than ever. Part of the M2 rebuild series, focusing on ...

Introduced in 2009, the N55 straight-six powerplant evolved into the S55 for the previous generations of the M3 and M4. The closed-deck block, lightweight crankshaft, twin fuel pumps, revised ...