ENGINE OVERVIEWAbout the S55B30 engine
The BMW S55B30 is a high-performance 3.0-litre twin-turbocharged inline-six petrol engine developed for BMW M models. It powered the F80-generation M3 and F82/F83-generation M4, with output varying according to the version and market. This page is an engine-code reference, not a confirmed listing for an engine in stock.
TECHNICAL DATASpecifications & configuration
Engine codeS55B30
ConfigurationInline-six (6 cylinders)
Displacement2,979 cc (3.0 L)
Fuel typePetrol / gasoline
InductionTwin-turbocharged
Power (reference)431 PS (317 kW), base M3/M4 reference
Torque (reference)550 Nm, base M3/M4 reference
Model / generationM3 F80 / M4 F82-F83 generation
Specifications are reference information, may differ by production year, market and engine suffix, and are not an offer of an engine in stock.
VEHICLE APPLICATIONSModels & applications
BMW M3 (F80) and BMW M4 (F82/F83). Certain S55 variants also appear in other BMW M models; confirm the complete engine suffix and vehicle VIN.
TECHNICAL HIGHLIGHTSDesign and features
Direct fuel injection; BMW M TwinPower Turbo technology; four valves per cylinder.
CHECK BEFORE ORDERINGCompatibility guidance
Match the full engine variant (for example S55B30T0), control unit, emissions equipment, mounts, accessories, and VIN before ordering. Factory output can differ by vehicle, year, and market.
Technical reference: Manufacturer engine information ↗