What is s52?

S52 may refer to:

• The BMW S52 engine, a high-performance 3.2L inline-six engine used in the BMW E36 M3 from 1996-1999.
• The Colt S52, a small car produced by the Mitsubishi Motors Corporation in 1979.
• The Sunbeam S52, a racing motorcycle produced by the Sunbeam company in the early 1920s.
• The S52 system scale, a scale used in meteorology to indicate the strength of a storm.