2005 BMW 645Ci Service and Repair Manual

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Factory-Grade Data

2005 BMW 645Ci 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

  • Base Convertible 2-Door
  • Base Coupe 2-Door

Engines covered

  • 4.4L 4398CC V8 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

2005 BMW 645Ci Recalls & Complaints

No active recalls The 2005 BMW 645Ci has no recalls on file with NHTSA.
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 #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 #10037025

BMW: PROCEDURE FOR DETERMINING AND REPLACING INCANDESCENT AND HALOGEN LIGHT BULBS UNDER WARRANTY. *RM

TSB #10033130

BMW VEHICLES: FUEL LEVEL SENSOR REPAIRS. WHERE IT IS NECESSARY TO REPLACE THE RIGHT OR THE LEFT SIDE FUEL LEVEL SENSOR DUE TO A FAILURE, THE ENTIRE PUMP AND HOUSING OR DELIVERY UNIT (SUCTION JET ASSEMBLY) DO NOT NEED TO BE REPLACED AS WELL.

TSB #10022023

CRANKCASE VENTILATION SYSTEM - COLD CLIMATE CONDITIONS. *KB UPDATED ON 10/17/07. *NJ UPDATED 6/15/09. *PE

TSB #10020005

TOP TIER DETERGENT GASOLINE IN BMW VEHICLES. *TT

Showing the 8 most recent of 9 technical service bulletins on file with NHTSA.

20210603Component: EXTERIOR LIGHTINGFire reported

The contact owns a 2005 BMW 645CI. The contact stated that while the vehicle was at the independent mechanic for the front driver’s side bulb replacement, the mechanic informed the contact that the

20160310Component: SEATSFire reported

MY WIFE WAS DRIVING MY KIDS TO SCHOOL, WHEN SMOKED FILLED THE CABIN OF THE CAR. SHE PANICKED AND CALLED ME AND I TOLD HER TO TURN THE CAR OFF AND GET OUT. MY SON NOTICED THAT HIS MOTHER WAS SMOLDERI

20070302Component: SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLERFire reported

TL*- THE CONTACT OWNS A 2005 BMW 645I WITH A CURRENT ODOMETER READING OF 26000 MILES. THE CONTACT STATED THAT WHILE DRIVING UNDER DRY CONDITIONS AT ABOUT 5 MPH HE FELT AN ELECTRIC SHOCK IN HIS BUTTOC

Showing the 3 most serious of 47 complaints filed with NHTSA.

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