BMW S63 Engine (S63B44)


  1. Specifications
  2. Overview, problems
  3. Performance tuning

BMW S63 engine specs

Manufacturer Munich Plant
Also called BMW S63
Production 2009-present
Cylinder block alloy Aluminum
Configuration V8
Valvetrain DOHC
4 valves per cylinder
Piston stroke, mm (inch) 88.3 (3.48)
Cylinder bore, mm (inch) 89 (3.50)
Compression ratio 9.3
10.0
Displacement 4395 cc (268.2 cu in)
Power output 408 kW (555 HP) at 6,000 rpm
412 kW (560 HP) at 6,000-7,000 rpm
423 kW (575 HP) at 6,000-7,000 rpm
441 kW (600 HP) at 6,000-7,000 rpm
Torque output 680 Nm (502 lb·ft) at 1,500-5,650 rpm
680 Nm (502 lb·ft) at 1,500-5,750 rpm
680 Nm (502 lb·ft) at 1,500-6,000 rpm
700 Nm (516 lb·ft) at 1,500-6,000 rpm
Redline 7,000
7,200 (S63TU)
HP per liter 126.3
127.4
130.8
136.5
Fuel type Gasoline
Weight, kg (lbs) 229 (505)
Fuel consumption, L/100 km (mpg)
-City

-Highway
-Combined
for F10 M5
14.0 (17)
7.6 (31)

9.9 (24)
Turbocharger Garrett MGT2260SDL
Garrett MGT2260DSL (S63TU)
Oil consumption, L/1000 km
(qt. per miles)
up to 1.0
(1 qt. per 750 miles)
Recommended engine oil 5W-30
5W-40
Engine oil capacity, L (qt.) 8.5 (9.0)
Oil change interval, km (miles) 5,000-10,000
(3,000-6,000)
Normal engine operating temperature, °C (F) 110-115 (195)
Engine lifespan, km (miles)
-Official information
-Real


Tuning, HP
-Max HP
-No life span loss

750+

600+
The engine is installed in BMW M5 F10
BMW M6 F13
BMW X5M E70
BMW X5M F85
BMW X6M E71
BMW X6M F86

BMW S63 engine reliability, problems and repair

After production of M5 E60 with S85B50 engine, at M GmbH decided to use more compact V8 with two turbochargers. The cylinder block, the crankshaft and rods got from usual N63. Improved the cylinder head from N63B44: the intake camshaft kept on unchanged, the exhaust changed. Specs of M5 F10 camshafts: duration 231/252 deg, lift 8.8/9 mm. Valves, springs were from N63. Diameters of valves: inlet 33.2 mm, exhaust 29 mm. Camshafts are set in motion by the timing chain, the same as on N63B44.
The intake system is slightly changed, exhaust manifold is new. Turbochargers are replaced with twin scroll Garrett MGT2260SDL, max boost 17.5 psi (1.2 bar). BMW S63 firing order: 1-5-4-8-6-3-7-2. The control unit of the engine – Siemens MSD85.1. This motor showed 555 horsepower at 6,000 rpm and named S63B44O0. There are such motors on BMW X6M and X5M.
In 2011, for the new generation F10 M5, engine upgrade to S63B44T0 (S63TU). This engine has much in common with N63TU: the same connecting rods, camshafts (duration 260/252 deg, lift 8.8/9.0 mm), as well as the timing chain. In addition, new Mahle pistons (Compression ratio = 10), the new crankshaft. Direct injection system was on S63B44T0 also used variable valve lift system Valvetronic III on intake camshafts. Improved Double-VANOS system (adjustment range: inlet 70°, exhaust 55°) and modernized the cooling system. Also on S63TU used Garrett MGT2260DSL, max boost 22 psi (1.5 bar). The control unit of the F10 M5 engine – Bosch MEVD17.2.8.
All this allowed to increase power to 560 HP at 6,000-7,000 rpm, and the torque 680 Nm at 1,500-5,750 rpm.
The S63B44T0 used on BMW M5 F10 and M6 F13.
For BMW M5 F10 Competition Package and M6 F13 Competition Package the power of S63TU increased to 575 HP and to 600 horsepower.

BMW S63B44 engine problems and malfunctions

Malfunctions of BMW S63 are similar as on N63. Learn a little more about them HERE.

BMW S63 engine tuning

S63 turbo upgrade

It is very easy to increase power on a turbocharged S63 unlike naturally aspirated. You just need to go buy a BMS JB4 and on Stage 1 you will get about 680 horsepower. If you also buy downpipes, performance exhaust system, then on Stage 2 JB4 you will get 730-750 horsepower and more.

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