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2001 BMW 325CI CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
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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 325CI AUTOMOBILES
Computer Relearn Procedures -> BMW
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
Disconnect or replace DME control unit only when ignition switch is off. After renewed operation, neutral basic values are set in the control unit for idle and emission control. An...
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BRAKE SERVICE PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
Power Brake Units -> Precautions -> Audio Coded Anti-Theft System
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
Audio Coded Anti-Theft System
Some original radios have a coded theft protection circuit. Obtain customer's code number before disconnecting the battery, removing fuses from the underhood fuse/relay box or removing the radio.
- After servicing vehicle, reconnect p...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
BMW -> Fuel Filter Scheduled Maintenance -> 1999-06
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
Inspection interval is determ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
CV AXLE SHAFT, Replace -> REAR
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
REAR
Righthand halfshaft is longer than lefthand shaft.
- Raise and support vehicle, then remove rear tire and wheel assembly.
- Lower rear exhaust pipe.
- Disconnect stabilizer from rear axle carrier and tilt it down.
- Remove axle nut.
- Remove mountin...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Trouble Code Identification
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
Accessing Diagnostic Trouble Codes
Connect a suitable scan tool the DLC (Data Link Connector). Follow the scan tool manufacturers instructions.
Diagnostic Trouble Code Identificati...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
Alternator, Replace
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
- Remove intake air filter housing.
- Lock belt pulley in position using suitable holding tool, or equivalent, then remove water pump fan clutch mounting nut using suitable wrench tool, or equivalent. Nut has lefthand threads.
- Remove fan wheel with coupling.
- Remove drive belt.
- Remov...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
Cabin Air Filter Service -> BMW -> 1999-2005 3 Series & 2006 M3 & 325C Series
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
Service interval is determined by the service indicator.
- Open the hood.
- Turn the three cabin air filter cover retainers 1/4 turn.
- Remove the cabin air filter cover.
- Rotate the cabin filter cover retainers 45°, then ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
BMW -> Service Interval Indicator -> 3 Series & M3 -> Interval Indicator -> Less Underhood Diagnostic Connector -> Oil Service -> With Underhood Diagnostic Connector
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
Less Underhood Diagnostic Connector
On these models the SII reset tool cannot be used. Resetting is possible using the instrument cluster trip odometer reset button. Proceed as follows:
- Turn ignition Off.
- Press and hold trip odometer reset button, then turn ignition to "1" (Accessory).
- Keep odometer reset button depressed for approximately five more seconds until any of following words appear in display: "Oil Service" or "Inspection" with "Reset" or "Re."
- On models equipped with high cluster, remaining amount of fuel in liters until next service is displayed should appear.
- On all models, depress ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
Radiator, Replace
Vehicle: 2001 BMW 325CI 2.5 L6 GAS
- Open coolant expansion tank cap, the raise and support vehicle.
- Remove mounting bolt and reinforcement plate.
- Remove mounting screws and front splash shield.
- Open radiator plug and drain coolant into suitable container.
- Open plug on righthand side of engine block near cylinder No. 2 and drain coolant into suitable container.
- Disconnect engine wiring harness holder.
- Disconnect retainers, then remove mounting bolts and air intake filter housing.
- Disconnect expansion rivets and remove intake hood.
- Lock belt pulley in position using holding tool No. 11 5 030...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2001 BMW 325CI AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2001 BMW 325CI 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 325CI AUTOMOBILES
Component location diagrams for most 2001 BMW 325CI 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 325CI AUTOMOBILES
OEM drawn wiring diagrams for most 2001 BMW 325CI 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 325CI AUTOMOBILES
OEM TSB listings for most 2001 BMW 325CI cars and light trucks sold in the U.S. from 1985+.
Document: Tools and Equipment Vehicle: 2001 BMW 325CI 2.5 L6 GAS Auto Systems: |
Document: Tools and Equipment Vehicle: 2001 BMW 325CI 2.5 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2001 BMW 325CI AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2001 BMW 325CI 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 325CI 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 325CI 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 325CI 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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