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BMW S54 (or [https://en.wikipedia.org/wiki/BMW_M54 S54B32]), as in the e46 M3, M coupe, and M roadster Probably the most advanced BMW I6 engine, BMW was criticized for ending manufacturing (in favor of the shorter V8-s). Fully supported by VEMS (order with proper options, see below). 3.2 liter '''Dual VANOS''', Individual Throttle Body, 333(US)/338(EU)bhp factory spec. * Cylinder bore: 87 mm * Displacement of 3,246 cc * High pressure Double VANOS continuously variable valve timing system with faster operation at high rpm * Compression 11.5:1 * 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 VEMS ECU Config: '''BMW S54 dual-VANOS engine: VR, HALL, HALL + 4 * PFET high-side switches''' for the 4 hydraulic cam-actuator solenoids * There are 3 engine speed sensors. One on the crank (VR) and one on each camshaft (HALL), so order ECU with 3 trigger inputs. * order ECU with 4 PFET high side drivers for the camshaft solenoids since they require switched 12V, not switched GND like traditionally run solenoids. * ETC (DBW drive by wire Electronic Throttle Control) supported, all the usual things apply: ** read VT help ** ETC is for careful, experienced installers. Understand the concept and details, create your page from MembersPage , configure with safety relay, check the margins, ...
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