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2003 BMW Z4 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 BMW Z4 car and truck repair procedures including BMW engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your BMW Z4 automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for BMW mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2003 BMW Z4 vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Air Bag System Precautions -> BMW -> Disarming
    Vehicle: 2003 BMW Z4 Roadster 3.0 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...

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Anti-lock Brakes -> Precautions -> Audio Coded Anti-Theft System
    Vehicle: 2003 BMW Z4 Roadster 3.0 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...

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    BMW -> Component Locations -> X3 & Z4
    Vehicle: 2003 BMW Z4 Roadster 3.0 L6 GAS

    On X3 and Z4 models, the fuel...

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    CV AXLE SHAFT, Replace -> REAR
    Vehicle: 2003 BMW Z4 Roadster 2.5 L6 GAS

    REAR

    • Raise and support vehicle, then remove rear tire and wheel assembly.
    • Disconnect retaining plate.
    • Remove axle nut.
    • Remove mounting bolts and halfshaft from differential flange. Suspend shaft with suitable wire.
    • Support trailing arms using a suitable transmissio...

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Wiring Diagrams -> Wire Color Code Identification
    Vehicle: 2003 BMW Z4 Roadster 3.0 L6 GAS

    Refer to Fig. for wiring...

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 TIRE PRESSURE MONITORING SYSTEM PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Starter, Replace
    Vehicle: 2003 BMW Z4 Roadster 2.5 L6 GAS

    • Disconnect battery ground cable, then remove air cleaner and air flow sensor.
    • Remove oil dipstick tube.
    • Remove starter solenoid cover.
    • Disconnect electri...

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    BMW -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2003-09 Z4 -> Less iDrive -> Reset -> With iDrive
    Vehicle: 2003 BMW Z4 Roadster 2.5 L6 GAS

    Reset

    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 illuminated...

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 2003 BMW Z4 Roadster 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 ...

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 2003 BMW Z4 Roadster 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...

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 2003 BMW Z4 AUTOMOBILES

    Component location diagrams for most 2003 BMW Z4 cars and light trucks sold in the U.S. from 1990+.

    Body Components Diagram for 2003 BMW Z4 Roadster 2.5 L6 GASBody Components Diagram for 2003 BMW Z4 Roadster 2.5 L6 GAS

    Components on diagram:
  • Y6
  • H8a
  • E71
  • Component IDs Diagram for 2003 BMW Z4 Roadster 3.0 L6 GASComponent IDs Diagram for 2003 BMW Z4 Roadster 3.0 L6 GAS

    Components on diagram:
  • Starter
  • Blower Motor
  • Windshield Washer Pump
  • Electric Fuel Pump
  • Trunk Lid
  • CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 BMW Z4 AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 BMW Z4 cars and light trucks sold in the U.S.

    2003 BMW Z4 Roadster 2.5 L6 GAS Wiring Diagram2003 BMW Z4 Roadster 2.5 L6 GAS Wiring Diagram

    Components on diagram:
  • Power Distribution
  • Airbag Indicator Light
  • Crash Safety Module
  • Passenger Airbag Deactivator Switch
  • 2003 BMW Z4 Roadster 2.5 L6 GAS Wiring Diagram2003 BMW Z4 Roadster 2.5 L6 GAS Wiring Diagram

    Components on diagram:
  • Wiper Motor
  • Power Distribution
  • General Module Control Module
  • CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 BMW Z4 AUTOMOBILES

    OEM TSB listings for most 2003 BMW Z4 cars and light trucks sold in the U.S. from 1985+.

    Document: Tools and Equipment
    Vehicle: 2003 BMW Z4 Roadster 3.0 L6 GAS

    Auto Systems:
  • Tools, Equipment
  • Labor Times, Manuals, Warranty, Aids
  • Document: Tools and Equipment
    Vehicle: 2003 BMW Z4 Roadster 3.0 L6 GAS

    Auto Systems:
  • Tools, Equipment
  • CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 BMW Z4 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 BMW Z4 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 2003 BMW Z4 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 2003 BMW Z4 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 2003 BMW Z4 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

    CLICK HERE TO GET FULL ACCESS TO 2003 BMW Z4 SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details2005 BMW Z4 Accessory Belt Tension Pulley, 2.76 in. OD; 0.39 in. ID; 0.98 in. W; Flat; Dual bearing; A high quality, direct fit OE replacement accessory belt tensioner pulley; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $8.76

    Click here to view more details2005 BMW Z4 Muffler.

    Source: Auto Body Parts Store

    $160.81

    Click here to view more details about 2008 BMW Z4 18" X 9" Alloy Wheel2008 BMW Z4 18" X 9" Alloy Wheel, ALLOY WHEEL, 18 X 9, 5 STUDS/LUGS, 120MM BOLT DIA, 5 DOUBLE SPOKES, 30MM OFFSET, HYPER SILVER, UNIVERSAL; 30MM OFFSET; SEE BQ13 FOR 18X8, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $196.59

    Click here to view more details2009 BMW Z4 L6, 3.0 L, 181 CID Rebuilt Engine, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details2007 BMW Z4 Used Vacuum Pump, Very Good.

    Source: Used Auto Parts Store

    $130.00

    Click here to view more details2003 BMW Z4 Used Power Window Motor, Driver Side, 4DR Front; Sdn (E46), L., Very Good.

    Source: Used Auto Parts Store

    $93.00
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