2009 BMW Z4 Service and Repair Manual

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Factory-Grade Data

2009 BMW Z4 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • 2.5si Convertible 2-Door
  • sDrive35i Convertible 2-Door
  • 3.0si Convertible 2-Door
  • M Coupe Coupe 2-Door
  • M Roadster Convertible 2-Door
  • sDrive30i Convertible 2-Door

Engines covered

  • 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
  • 3.0L 2979CC l6 GAS DOHC Turbocharged
  • 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
  • 3.2L 3246CC l6 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2009 BMW Z4 Recalls & Complaints

NHTSA #09V32700011/08/2009Component: ELECTRICAL SYSTEM:WIRING

BMW IS RECALLING CERTAIN MODEL YEAR 2009 Z4 30I AND 35I VEHICLES MANUFACTURED BETWEEN MARCH 10 AND MARCH 19, 2009. A DEFECTIVE CRIMP CONNECTOR IN A BELT TENSIONER WIRING PLUG MAY LEAD TO INCREASED EL

Consequence

INCREASED ELECTRICAL RESISTANCE IN THAT CIRCUIT COULD CAUSE THE SAFETY BELT TENSIONER TO FAIL TO DEP

Remedy

THE SAFETY BELT TENSIONER WIRING WILL BE REPAIRED FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 5,

NHTSA #13V04400007/02/2013Component: ELECTRICAL SYSTEM

BMW is recalling certain model year 2008-2012 1-Series coupes and convertibles manufactured December 2007 through September 2011; and 2007-2011 3-Series coupes and convertibles manufactured March 2007

Consequence

If there is a loss of electrical power to the vehicle, the vehicle may unexpectedly stall, increasin

Remedy

BMW will notify owners, and dealers will replace the positive battery cable connector and secure it

NHTSA #22V11900002/03/2022Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (P

BMW of North America, LLC (BMW) is recalling certain 2008-2013 1 Series Coupe (128i); 2007-2013 3 Series Coupe (328i, 328xi, 328i xDrive); 2007-2010 X3 SAV (X3 3.0si, X3 xDrive30i); 2008-2013 1 Series

Consequence

An electrical short can cause the PCV valve heater to overheat, increasing the risk of a fire while

Remedy

This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Dealers will install

TSB #10249027

The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on ho

TSB #10249437

The basic conditions for initializing the power windows are not met.

TSB #10225126

Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.

TSB #10200487

TELEMATICS UNIT DEACTIVATION DUE TO 3G CELLULAR TECHNOLOGY DISCONTINUATION: The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provide

TSB #10199287

CLASS ACTION SETTLEMENT: N54/N54T/N55 ELECTRIC ENGINE COOLANT PUMP . With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered a nationwide settlement with the plaintiffs in the following class action: Oliver, et al v.

TSB #10198894

CLASS ACTION SETTLEMENT: N54/N54T/N55 ELECTRIC ENGINE COOLANT PUMP . With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered a nationwide settlement with the plaintiffs in the following class action: Oliver, et al v.

TSB #10182619

Discharged Battery Energy Diagnosis Must Be Performed: The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This doc

TSB #10174032

AUTOMATED ACTIVATION OF NAVIGATION SYSTEM DURING PDI/QC1: This Service Information Bulletin (Revision 2) replaces SI B65 22 14 dated October 2015. The INITIAL NAV enabling code no longer needs to be pre-ordered through the Parts department!

Showing the 8 most recent of 138 technical service bulletins on file with NHTSA.

20091118Component: POWER TRAIN:MANUAL TRANSMISSIONCrash reported

MY 2009 BMW Z4 WAS PARKED IN MY DRIVEWAY AT ABOUT A 65 ANGLE TO THE REAR OF MY TOYOTA PICKUP TRUCK. I GOT INTO THE BMW INTENDING MOVE IT INTO THE GARAGE. THE CAR HAS A STANDARD TRANSMISSION AND WAS

20240209Component: AIR BAGS

The airbag sensor in my passenger seat has failed. I have been quoted approximately $2000 to repair this. However researching online I see BMW Service Bulletin SB-[XXX] which indicates this may be a w

20240209Component: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

The airbag sensor in my passenger seat has failed. I have been quoted approximately $2000 to repair this. However researching online I see BMW Service Bulletin SB-[XXX] which indicates this may be a w

20240209Component: SEAT BELTS

Drivers side seat belt frayed at the point where it comes out of the vehicle when I am seated and buckled in. This is nearly impossible for me to see and I only saw it by chance pulling the seat belt

20200901Component: SEAT BELTS

THE SEAT BELT IS FRAYING AT THE POINT WHERE IT MOST COMMONLY RESTS AGAINST THE CHASSIS WHILE I AM WEARING IT. IT SEEMS TO BE RUBBING AGAINST THE CAR CAUSING IT TO FRAY. I ONLY NOTICED IT BY CHANCE, AS

Showing the 5 most serious of 26 complaints filed with NHTSA.

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