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SVTPerformance's Chain of Restaurants
Road Kill Drive-Thru
2013 BMW 550i vs 2015 Subaru WRX Cobb/BT tuned
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<blockquote data-quote="NA_Cobra" data-source="post: 15458064" data-attributes="member: 83719"><p>Yes, they are heavy and they feel heavy. </p><p></p><p>2014+ 550s has the N63tu engines and run 12.4-12.6 stock (445hp/480tq) 0-60 in 4.2</p><p>2011-2013 550s has the N63 engine and run 13.1-13.4 stock (400hp/450tq) 0-60 in 4.6</p><p></p><p>Ive outran an E39 M5 already in my F10, from a dig it was brutal</p><p></p><p></p><p></p><p>N63TU differences</p><p>Quote:</p><p>Engine mechanical </p><p>• New cylinder head due to use of the Turbo Valvetronic Direct Injection (TVDI) procedure</p><p>• 3rd generation Valvetronic</p><p>• New valvetrain with modified timing</p><p>• Adoption of VANOS from the N55 engine</p><p>• New cylinder head cover with adapted crankcase ventilation</p><p>• Pistons with modified piston crown geometry</p><p>• New connecting rod with even pitch and adaptation of the crankcase due to modified connecting rod shape</p><p>• Adapted crankshaft</p><p>• Chain drive with modified guide rails and an extruded chain with 142 elements.</p><p></p><p>Oil supply </p><p>• Pendulum slide cell pump with small overall width</p><p>• Eight individual oil spray nozzles for piston crown cooling.</p><p></p><p>Cooling </p><p>• Integration of the two engine control units in the low-temperature circuit and cooling over the back panel with cooling pipe</p><p>• Expansion tank under the left side wall with separate filling hopper.</p><p></p><p>Intake and exhaust emission systems</p><p>• Adaptation of the manifold for the air intake duct due to new geometry of the cylinder head cover</p><p>• Use of the hot film air mass meter 7</p><p>• Adoption of the charge air temperature and intake-manifold pressure sensor from the N20 engine</p><p>• Exhaust turbocharger with new compressor and modified wastegate valves</p><p>• Discontinuation of the blow-off valves.</p><p></p><p>Vacuum system </p><p>• Two-stage vacuum pump with new arrangement of the bolt connection</p><p>• Vacuum reservoir for the wastegate valves in the V-area of the engine.</p><p></p><p>Fuel preparation </p><p>• Use of the known high-pressure injection with injectors and high pressure pump HDP5</p><p>• Discontinuation of fuel low-pressure sensor</p><p></p><p>Engine management system</p><p>• New dual control unit concept with one control unit per bank</p><p>• Oil level sensor with an additional temperature sensor in the main oil duct behind the starter motor.</p></blockquote><p></p>
[QUOTE="NA_Cobra, post: 15458064, member: 83719"] Yes, they are heavy and they feel heavy. 2014+ 550s has the N63tu engines and run 12.4-12.6 stock (445hp/480tq) 0-60 in 4.2 2011-2013 550s has the N63 engine and run 13.1-13.4 stock (400hp/450tq) 0-60 in 4.6 Ive outran an E39 M5 already in my F10, from a dig it was brutal N63TU differences Quote: Engine mechanical • New cylinder head due to use of the Turbo Valvetronic Direct Injection (TVDI) procedure • 3rd generation Valvetronic • New valvetrain with modified timing • Adoption of VANOS from the N55 engine • New cylinder head cover with adapted crankcase ventilation • Pistons with modified piston crown geometry • New connecting rod with even pitch and adaptation of the crankcase due to modified connecting rod shape • Adapted crankshaft • Chain drive with modified guide rails and an extruded chain with 142 elements. Oil supply • Pendulum slide cell pump with small overall width • Eight individual oil spray nozzles for piston crown cooling. Cooling • Integration of the two engine control units in the low-temperature circuit and cooling over the back panel with cooling pipe • Expansion tank under the left side wall with separate filling hopper. Intake and exhaust emission systems • Adaptation of the manifold for the air intake duct due to new geometry of the cylinder head cover • Use of the hot film air mass meter 7 • Adoption of the charge air temperature and intake-manifold pressure sensor from the N20 engine • Exhaust turbocharger with new compressor and modified wastegate valves • Discontinuation of the blow-off valves. Vacuum system • Two-stage vacuum pump with new arrangement of the bolt connection • Vacuum reservoir for the wastegate valves in the V-area of the engine. Fuel preparation • Use of the known high-pressure injection with injectors and high pressure pump HDP5 • Discontinuation of fuel low-pressure sensor Engine management system • New dual control unit concept with one control unit per bank • Oil level sensor with an additional temperature sensor in the main oil duct behind the starter motor. [/QUOTE]
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