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2001 BMW 525I CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
- Technical Service Bulletins
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- 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

A/C & HEATER SERVICE PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2001 BMW 525I 2.5 L6 GAS
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BRAKE SERVICE PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
Disc Brakes -> Parking Brake Service
Vehicle: 2001 BMW 525I 2.5 L6 GAS
- Remove brake disc as outlined in "Rotor, Replace."
- Remove parking brake shoes' return spring using suitable brake spring pliers,
- Turn retainers 90° and remove using retainer tool No. 34 4 000, or equivalent, Fig. .
- Remove shoes by rotating out...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
BMW -> Component Locations -> 5 Series
Vehicle: 2001 BMW 525I Sport Wagon 2.5 L6 GAS
Refer to Fig. ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
CV AXLE SHAFT, Replace -> REAR
Vehicle: 2001 BMW 525I 2.5 L6 GAS
REAR
- On models equipped with air suspension, proceed as follows:
- Remove air supply system fuse.
- Disconnect distributor block lines.
- On all models, raise and support vehicle, then remove rear tire and wheel assembly.
- Remove rear axle carrier.
- Remove output shaft to transmission ...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
Reset Procedures -> Less iDrive -> With iDrive
Vehicle: 2001 BMW 525I 2.5 L6 GAS
The reset procedure needs to be performed anytime the tire pressure is adjusted or the tires are rotated.
Less iDrive
- Turn ignition switch to On with vehicle in a stationary position.
- Press the Tire Pressure Warning/RDC button, located at front console or on the instrument panel, until the indicator lamp on the instrument panel is illuminate...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
Starter, Replace
Vehicle: 2001 BMW 525I 2.5 L6 GAS
- Disconnect Crankshaft Position (CKP) sensor electrical connector.
- Remove nuts and disconnect starter motor electrical connectors.
- Remove mounting bolts and starter mo...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
Cabin Air Filter Service -> BMW -> 1996-2005 5 Series
Vehicle: 2001 BMW 525I Sport Wagon 2.5 L6 GAS
Service interval is determined by the service indicator.
- Open the hood.
- Turn quick-release fastener approximately, 90° counterclockwise. Unlatch the cabin air filter cover retainers.
- Remove the cabin air fi...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
BMW -> Air Bag Warning Lamp ->
Vehicle: 2001 BMW 525I 2.5 L6 GAS
If the Air Bag warning lamp lights and stays on, diagnosis and ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2001 BMW 525I 2.5 L6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at heater control valve and remove hose.
- Remove hose from vehicle.
- Reverse procedure ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2001 BMW 525I AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2001 BMW 525I Sport Wagon 2.5 L6 GAS
- If reusing belt, mark belt with rotational direction for installation alignment.
- Lock belt pulley in position using suitable holding tool, then remove water pump fan clutch mounting nut using suitable wrench. Nut has lefthan...
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COMPONENT LOCATION DIAGRAMS FOR 2001 BMW 525I AUTOMOBILES
Component location diagrams for most 2001 BMW 525I cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2001 BMW 525I AUTOMOBILES
OEM drawn wiring diagrams for most 2001 BMW 525I cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2001 BMW 525I AUTOMOBILES
OEM TSB listings for most 2001 BMW 525I cars and light trucks sold in the U.S. from 1985+.
Document: Crankcase Ventilation System Specification Vehicle: 2001 BMW 525I 2.5 L6 GAS Auto Systems: |
Document: Diagnosis Feedback with ISTA Vehicle: 2001 BMW 525I 2.5 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2001 BMW 525I AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2001 BMW 525I 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 2001 BMW 525I 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 2001 BMW 525I 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 2001 BMW 525I 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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