2008 BMW Z4 Service and Repair Manual

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Covers all 2008 Z4 trims — Coupe 3.0si Coupe 2-Door, 2.5si Convertible 2-Door, 3.0si Convertible 2-Door +4 more ·
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2008 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

  • Coupe 3.0si Coupe 2-Door
  • 2.5si Convertible 2-Door
  • 3.0si Convertible 2-Door
  • Roadster 3.0si Convertible 2-Door
  • M Coupe Coupe 2-Door
  • M Roadster Convertible 2-Door
  • Roadster 3.0i Convertible 2-Door

Engines covered

  • 3.0L 2996CC l6 GAS DOHC Naturally Aspirated
  • 2.5L 2494CC 152Cu. In. 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
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 #10194296

Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degree

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 #10181214

Power Reduction, FC2A82 Intake VANOS and/or FC2A87 Exhaust VANOS Camshaft Fault: The ?Service Engine Soon? (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for some time with the engi

TSB #10175267

Power Reduction FC2A82 Intake VANOS and/or FC2 A87 Exhaust VANOS Camshaft Fault: The "Service Engine Soon" (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for some time with the engi

TSB #10056099

BMW: WHEN USING IPHONE, VARIOUS CONNECTIVITY FAILURES OCCUR, SUCH AS DISCONNECTION OF CALL, LIST OF CONTACTS INCOMPLETE, DUE TO THE VARIANTS AND SOFTWARE USED. MODEL 2008-2014.

Showing the 8 most recent of 14 technical service bulletins on file with NHTSA.

20250825Component: SERVICE BRAKES

This complaint is regarding a large number of 2008 BMW cars exhibiting the ABS failure light. Mine is a Z4 with @ 65K miles and was diagnosed by a certified mechanic as the ABS module failure - a high

20221004Component: ENGINE AND ENGINE COOLING

The contact owns a 2008 BMW Z4. The contact received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) however, the part to do the recall repair was unavailable. The local d

20210428Component: VEHICLE SPEED CONTROL

IDLING IN GEAR (AUTOMATIC TRANSMISSION) AT A DRIVE THRU. CAR SUDDENLY TRIED TO ACCELERATE. PUT CAR IN PARK AND ENGINE CONTINUED TO INCREASE TO MAX RPMS. I SHUT OFF THE ENGINE AT THE IGNITION. REST

Showing the 3 most serious of 27 complaints filed with NHTSA.

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