cooling
Heater Core Torque Specs
for 2013 BMW 550i 4.4L V8 Twin-Turbo N63 · RWD
11 fasteners
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Hose Clamps
Do not overtighten
3 lb-ft · 4 Nm
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Pump Bolts
CriticalTorque in sequence
18 lb-ft · 24 Nm
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Thermostat Housing Bolts
Critical10 lb-ft · 14 Nm
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