S54 MPower 6 Cylinder Built 2001 to 2008

S54

BMW S54 engine

The S54 is the high performance version of the M50 and was used in the E46 M3, Z3 M Coupé / Roadster, and the E85 Z4 M Roadster / E86 M Coupe.

The S54 is technically an evolution of the iron-block S50B32. It shares few major components with the S50 and differences include:[citation needed]

Increased cylinder bore to 87 mm (from 86.4 mm) for a new total displacement of 3,246 cc (from 3,201 cc)

Modified camshafts

High pressure Double VANOS continuously variable valve timing system with faster operation at high rpm

Increased compression to 11.5:1 (from 11.3:1)

More advanced BMW/Siemens MSS 54 engine management control

Finger-type rocker arms for reduced reciprocating mass and friction

One-piece aluminum head casting for lighter weight

Scavenging oil pump to maintain pressure during heavy cornering

S54B32[edit]

Applications:

2001-2006 E46 M3 (except North America) 252 kW (338 hp; 343 PS), 365 N·m (269 lb·ft)

2001-2006 E46 M3 (North America only) 248 kW (333 hp; 337 PS), 355 N·m (262 lb·ft)

2001-2002 Z3 M Coupé / Roadster (except North America) 239 kW (325 PS), 354 N·m (261 lb·ft)

2001-2002 Z3 M Coupé / Roadster (North America only) 235 kW (315 hp), 341 N·m (252 lb·ft)

2002-2011 Wiesmann Roadster MF3[9] 256 kW (348 PS), 365 N·m (269 lb·ft)

2004 E46 M3 CSL 265 kW (360 PS), 370 N·m (270 lb·ft)

2006-2008 E85 Z4 M Roadster / E86 Z4 M Coupe (except North America) 252 kW (343 PS), 365 N·m (269 lb·ft)

2006-2008 E85 Z4 M Roadster / E86 Z4 M Coupe (North America only) 246 kW (330 hp), 355 N·m (262 lb·ft)

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