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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

    Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
    Vehicle: 2003 BMW Z4 Roadster 2.5 L6 GAS

    [[table data]]

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

    BRAKE SERVICE PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Disc Brakes -> Caliper Service -> Assemble -> Disassemble -> Front -> Inspection -> Overhaul -> Rear -> Replace
    Vehicle: 2003 BMW Z4 Roadster 2.5 L6 GAS

    Replace

    Front
    • Raise and support vehicle, then remove front tire and wheel.
    • Press and hold brake pedal with suitable prop.
    • Disconnect brake pipe from connection with hose.
    • Remove wear indicator connector from lefthand side.
    • Remove mounting bolts and caliper.
    • Reverse procedure to install, noting the following:
      • Bleed brake system.
      • Ensure brake pad wear sensor wire does not contact rotor or wheel.
    Rear
    • Raise and support vehicle, then remove rear tire and wheel assembly.
    • Drain moderate amount of brake fluid from reservoir using suitable syringe.
    • Disconnect and plug caliper hydraulic line.
    • Disconne...

    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 3.0 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 busing 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

    Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Trouble Code Identification
    Vehicle: 2003 BMW Z4 Roadster 3.0 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...

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

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Alternator, Replace
    Vehicle: 2003 BMW Z4 Roadster 3.0 L6 GAS

    • Check stored fault messages.
    • Switch off ignition.
    • Disconnect battery ground wire and mask it.
    • Remove suction filter housing.
    • Remove alternator drive belt.
    • Unlock and detach plug connection.
    • Remove nut and remove battery positive lead.
    • Remove cover from idler...

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

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    BMW -> Automatic Stability Control (ASC, ASC+) & Dynamic Stability Control (DSC) Warning Lamp ->
    Vehicle: 2003 BMW Z4 Roadster 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...

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

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 BMW Z4 AUTOMOBILES

    Radiator, Replace
    Vehicle: 2003 BMW Z4 Roadster 3.0 L6 GAS

    • Disconnect temperature switch connector.
    • Open coolant expansion tank cap and loosen vent screw.
    • Raise and support vehicle, then remove 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.
    • Remove air duct.
    • Lock belt pulley in position using holding tool No. 11 5 030, or equivalent, then remove water pump fan clutch mounting nut using wrench tool No. 11 5 040, or equivalent. Nut has lefthan...

    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 3.0 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+.

    Underbody Components Diagram for 2003 BMW Z4 Roadster 3.0 L6 GASUnderbody Components Diagram for 2003 BMW Z4 Roadster 3.0 L6 GAS

    Components on diagram:
  • B42a
  • Connector X13394
  • Connector X18032
  • Seat Components Diagram for 2003 BMW Z4 Roadster 3.0 L6 GASSeat Components Diagram for 2003 BMW Z4 Roadster 3.0 L6 GAS

    Components on diagram:
  • Connector X01009
  • I01087
  • 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 3.0 L6 GAS Wiring Diagram2003 BMW Z4 Roadster 3.0 L6 GAS Wiring Diagram

    Components on diagram:
  • Power Distribution
  • Crash Safety Module
  • 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
  • Rain Headlight Sensor
  • 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 details2009 BMW Z4 Radiator, 600 x 600 x 460 mm core size; Quiet, light, efficient, space-saving and reliable; A high quality, direct fit OE replacement radiator; With 12-month or 12,000-mile Behr warranty..

    Source: Auto Body Parts Store

    $138.58

    Click here to view more details2003 BMW Z4 Car Cover.

    Source: Auto Body Parts Store

    $43.97

    Click here to view more details2013 BMW Z4 18" x 8.5" Alloy Wheel Rear, Alloy Wheel; 18 X 8.5; 5 Twisted Spokes; 5 Lug; 120MM BP; Rear; All Painted Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $100.45

    Click here to view more details2008 BMW Z4 L6, 3.2 L, 196 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details2010 BMW Z4 Used Cooling Fan Assembly, Fan Assm; (radiator), (600 watt), Very Good.

    Source: Used Auto Parts Store

    $371.00

    Click here to view more details2009 BMW Z4 Used Ignition Switch W/Key, WKEY, Very Good.

    Source: Used Auto Parts Store

    $114.00
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