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1999 BMW 323IS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 323IS AUTOMOBILES
Air Bag System Precautions -> BMW -> Disarming
Vehicle: 1999 BMW 323IS 2.5 L6 GAS
Prior to disconnecting any air bag/Supplemental Restraint System (SRS) electrical connectors, servicing any system components or other components located near an SRS electrical connector, the system must be disarmed. The connectors and components are identified by their orange color.
- Obtain radio theft protection code prior to disconnecting battery.
- Disconnect grou...
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BRAKE SERVICE PROCEDURES FOR 1999 BMW 323IS AUTOMOBILES
Anti-lock Brakes -> Description -> ABS Less Stability & Traction Control -> ABS w/Stability & Traction Control
Vehicle: 1999 BMW 323IS 2.5 L6 GAS
ABS Less Stability & Traction Control
The Anti-Lock Brake System (ABS) consists of a control unit, hydraulic unit, speed sensors and wiring harness, Fig. . Each speed sensor has a gear wheel which runs past the permanently magnetized edge of the speed sensor installed in the wheel hub. The rotary motion of the wheels is recorded by inductive sensors and an electric signal is sent to the electronic control unit.
The electronic control unit is located in a compartment on the right side of the engine compartment. This control unit inputs acceleration, deceleration and slip factors from ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1999 BMW 323IS AUTOMOBILES
BMW -> Fuel Filter Replacement -> Except X3 & Z4 -> Fuel System Pressure Relief -> Models w/Fitting Or Union Bolt Connection -> Models w/Fuel Hose Connection -> Removal & Installation
Vehicle: 1999 BMW 323IS 2.5 L6 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while it relearns its adaptive strategy.
Fuel System Pressure Relief
- Obtain the vehicle owner's radio theft protection code.
- Remove the fuel pump relay(s).
- Start the engine and allow it to stall.
- Crank engine for 10 seconds to ensure the fuel pressure has been...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1999 BMW 323IS AUTOMOBILES
DRIVESHAFT, Replace -> w/Rear Constant-Velocity Joint -> With Slide
Vehicle: 1999 BMW 323IS 2.5 L6 GAS
w/Rear Constant-Velocity Joint
- Raise and support vehicle.
- Remove exhaust system and heat shield.
- Remove mounting bolts and exhaust suspension frame.
- Remove transmission joint disk mounting nuts.
- Remove mounting nuts and differential final drive flange constant-velocity joint.
- Remove center bearing mounting bolts. Do not allow propeller shaft to fall into joints.
- Bend propeller shaft downward at center mount and disconnect transmission or constant-velocity joint centering pin.
- Protect constant-velocity joint with suitable transport cap.
- Reverse procedure to install, noting the followi...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1999 BMW 323IS AUTOMOBILES
Starter, Replace
Vehicle: 1999 BMW 323IS 2.5 L6 GAS
- Raise and support vehicle
- Remove mounting bolts and front axle support reinforcement plate.
- Lower transmission approximately 0.2 inch.
- Remove vacuum tank from exhaust flap, as required.
- Disconnect fuel line clips.
- Disconnect Crankshaft Position (CKP) sensor.
- Remove nuts and disconnect starter motor electrical connectors.
- Remove mounting bolts and starter motor.
- Re...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1999 BMW 323IS AUTOMOBILES
Cabin Air Filter Service -> BMW -> 1999-2005 3 Series & 2006 M3 & 325C Series
Vehicle: 1999 BMW 323IS 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 1999 BMW 323IS AUTOMOBILES
BMW -> Automatic Stability Control (ASC, ASC+) & Dynamic Stability Control (DSC) Warning Lamp ->
Vehicle: 1999 BMW 323IS 2.5 L6 GAS
The 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. The warning lamp will also flash when the syst...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1999 BMW 323IS AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1999 BMW 323IS 2.5 L6 GAS
Lower
- Drain coolant into a suitable container.
- Reposition hose clamp at radiator and remove hose.
- Reposition hose clamp at water inlet and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1999 BMW 323IS AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1999 BMW 323IS 2.5 L6 GAS
- Remove fan cowl by lifting out expansion rivets on both sides.
- Secure fan pulley with suitable securing tool, or equivalent, then remove fan. Fan has lefthand handed threads.
- Loosen tensioner lock bolts, then turn tensioner with suitable wrench to receive tens...
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COMPONENT LOCATION DIAGRAMS FOR 1999 BMW 323IS AUTOMOBILES
Component location diagrams for most 1999 BMW 323IS cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1999 BMW 323IS AUTOMOBILES
OEM drawn wiring diagrams for most 1999 BMW 323IS cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1999 BMW 323IS AUTOMOBILES
OEM TSB listings for most 1999 BMW 323IS cars and light trucks sold in the U.S. from 1985+.
Document: Tools and Equipment Vehicle: 1999 BMW 323IS 2.5 L6 GAS Auto Systems: |
Document: Tools and Equipment Vehicle: 1999 BMW 323IS 2.5 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1999 BMW 323IS AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1999 BMW 323IS 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 1999 BMW 323IS 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 1999 BMW 323IS 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 1999 BMW 323IS 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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