2015 BMW Z4 Service and Repair Manual

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Factory-Grade Data

2015 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.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • sDrive35is Convertible 2-Door
  • sDrive18iA Convertible 2-Door
  • sDrive35i Convertible 2-Door
  • M Sport Convertible 2-Door
  • sDrive28i Convertible 2-Door
  • Design Pure Traction Convertible 2-Door

Engines covered

  • 3.0L 2979CC l6 GAS DOHC Turbocharged
  • 2.0L 1997CC 122Cu. In. l4 GAS DOHC Turbocharged
  • 3.0L 2979CC 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

2015 BMW Z4 Recalls & Complaints

NHTSA #24V60800013/08/2024Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP

BMW of North America, LLC. (BMW) is recalling certain 2012-2015 X1 sDrive28i, X1 xDrive28i, 2012-2016 Z4 sDrive28i, 528i, 528i xDrive, 328i, 328xi, 2016-2018 X5 xdrive 40e, 2014-2016 228i, 228xi, 428i

Consequence

An electrical short increases the risk of a fire.

Remedy

Dealers will inspect and replace the water pump and plug connector as necessary, and install a prote

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 #10225127

The Lane Change Warning (LCW) yellow triangle symbol on either one, or both the exterior side view mirrors does not illuminate to alert the driver when it should.

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 #10204534

For the above-referenced vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service

TSB #10204656

With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Gelis, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North Am

TSB #10204619

BMW of North America, LLC BMW NA is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date

TSB #10203331

BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date

Showing the 8 most recent of 80 technical service bulletins on file with NHTSA.

20251002Component: ENGINE

My 2015 BMW Z4 vehicle has a coolant pump safety recall. It reportedly could cause a short circuit and thermal event or fire. I bought the vehicle while living elsewhere and am now in a small communit

20250611Component: ENGINE AND ENGINE COOLING

The contact owns a 2015 BMW Z4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was unav

20250611Component: ELECTRICAL SYSTEM

The contact owns a 2015 BMW Z4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was unav

20250310Component: ENGINE AND ENGINE COOLING

The contact owns a 2015 BMW Z4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was not

20250310Component: ELECTRICAL SYSTEM

The contact owns a 2015 BMW Z4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was not

Showing the 5 most serious of 7 complaints filed with NHTSA.

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