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2009 BMW 550I CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Technical Service Bulletins
- Specifications
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2009 BMW 550I AUTOMOBILES
CV AXLE SHAFT, Replace -> Rear
Vehicle: 2009 BMW 550I 4.8 V8 GAS
Rear
The CV drive shafts differ in length. If required, mark CV drive shafts. The left CV drive shaft is shorter than the right CV drive shaft.
- Raise vehicle on lift.
- Remove rear wheel lug nuts.
- Apply hand brake.
- Remove hub cover.
- Remove collar nut.
- Assemble suitable...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2009 BMW 550I AUTOMOBILES
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2009 BMW 550I 4.8 V8 GAS
Refer to Fig. for wiring...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2009 BMW 550I AUTOMOBILES
Starter, Replace
Vehicle: 2009 BMW 550I 4.8 V8 GAS
- Disconnect battery ground cable.
- Remove right exhaust manifold.
- Remove bolts and nut on heat shield.
- Remove heat shield.
- Disconnect electrical connections.
- Remove starter to transmission bolts.
- Remove starter motor.
- Reverse procedure to insta...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2009 BMW 550I AUTOMOBILES
Cabin Air Filter Service -> BMW -> 2004-05 645 & 2006-07 525, 530 & 2006-09 550, 650, M5, M6 & 2008-09 528 & 535
Vehicle: 2009 BMW 550I 4.8 V8 GAS
The service interval is determined by the service indicator.
- Open the hood.
- Rotate the quick release fastener 90° counterclockwise, Fig. .
- Release the retainer located at the side of the cabin air filter cover, the r...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2009 BMW 550I AUTOMOBILES
BMW -> Anti-Lock Brake System Warning Lamp ->
Vehicle: 2009 BMW 550I 4.8 V8 GAS
The Anti-Lock warning lamp is used to warn of a system fault. It will be lit during engine start-up, but should go out when the self-diagnostic system determines that the system is functioning properly. If the ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2009 BMW 550I AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2009 BMW 550I 4.8 V8 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp and remove hose from heater core.
- Reposition hose clamp and remove hose from engine.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2009 BMW 550I AUTOMOBILES
Serpentine Drive Belt, Replace -> A/C Compressor Drive Belt -> Alternator Drive Belt
Vehicle: 2009 BMW 550I 4.8 V8 GAS
Alternator Drive Belt
- Remove fan clutch and fan impeller.
- Unfasten cap nut from water pump, using suitable tools.
- Remove fan wheel with fan coupling from water pump, using suitable spanner wrench. Fan has left handed threads.
- Mark direction of travel and reinstall drive belt in same direction of travel, if belt is to be reused.
- Rotate or lift the belt tensioner arm, using a suitable Torx socket to relieve tension from drive belt.
- Remove the drive belt.
- Clean pulleys and inspect for ...
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TECHNICAL SERVICE BULLETINS FOR 2009 BMW 550I AUTOMOBILES
OEM TSB listings for most 2009 BMW 550I cars and light trucks sold in the U.S. from 1985+.
Document: Crankcase Ventilation System Specification Vehicle: 2009 BMW 550I 4.8 V8 GAS Auto Systems: |
Document: Diagnosis Feedback with ISTA Vehicle: 2009 BMW 550I 4.8 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2009 BMW 550I AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2009 BMW 550I cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2009 BMW 550I cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2009 BMW 550I cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2009 BMW 550I cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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