1999 BMW 528i Air hose

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Errata information
We will evaluate submissions and post appropriate editorial
changes online as text errata or tech discussion. Appropriate
errata will be incorporated with the
boolc text in future printings.
Read errata information for this book before beginning work on
your vehicle. See the following web address tor additional
information:
http://unw.BentleyPublishers.com/errata/
WARNING-important safety notice
Do not use this manual unless vou are familiar with basic automotive reoair orocedures and safe
workshoo oracfices. This manual illustrates
the workshop procedures requked formoslservice work. It is not a subsiituti for full and up-to-date information from thevehiclemanufaciurer
or for proper training as an automotive technician. Note that it is not possible for us to anticipate all of the ways or conditions under which
vehicles may be serviced or to provide cautions as to all of the possible hazards that may result.
The vehicle manufacturer will continue to issue service information updates and parls retrofits
after the editorial closing of this manual. Some
of lhese updates and retrofits will apply lo procedures and specifications in this manual. We regret that we cannot supply updates to
purchasers of this manual.
We have endeavored to ensure the accuracy
of the information in this manual. Please note, however, that considering the vast quantity and
the complexity of the service information involved, we cannot warrant the accuracy or completeness of the information contained in this
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FOR
THESE REASONS, NEITHER THE PUBLISHER NOR THE AUTHOR MAICES ANY WARRANTIES, EXPRESS OR IMPLIED, THATTHE INFORMATION IN THIS BOOK IS FREE OF ERRORS OR OMISSIONS. AND WE EXPRESSLY DISCLAIM THE IMPLIED WARRANTIES OF MERCHANTABILTTY AN0 OF FITNESS FOR A PARTICULAR PURPOSE, EVEN IFTHE PUBLISHER OR AUTHOR HAVE BEEN ADVISED OFA PARTICULAR PURPOSE, AND EVEN IF A PARTICULAR
1 PURPOSE IS INDICATED IN THE MANUAL. THE PUBLISHER AND AUTHOR ALSO DISCLAIM ALL LlABlLrrY FOR DIRECT. INDIRECT. INCIDENTAL OR 1 I CONSEQUENTIAL DAMAGES THAT RESULT FROM ANY USE OFTHE EXAMPLES, INSTRUCTIONS OR OTHER INFORMATION INTHIS BOOK. IN NO EVENT 1
I Your common sense and oood iudoment are crucial to safe and successful service work. Read orocedures throuoh before startino them. I . -- - -~ ~ ---~. - ~ ~~ Think about whether the condition of your car, &r level of mechanical skill, or your level of reading compreh&sion might resill in or
contribute in some way to an occurrence which might cause you injuly, damage your car, or result in an unsafe repair. If you have doubts
for these or other reasons about your ability to pelform safe repair work on your car, have the work done at an authorized BMW dealer or
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Part numbers listed in this manual are for identification purposes only, not for ordering. Always check wilh your authorized BMW dealer to
verify part numbers and availability before beginning service work lhat may require new
park.
Before anempting any work on your BMW, read the 001 General Warnings and Cautions, and any WARNING or CAUTION that
accompanies a procedure in the service manual. Review the WARNINGS and CAUTIONS each time you prepare to work on your BMW.
I Spec a too s req.1 red to perlorm cena n service operations arc oenl fed n the manLa an0 arc recomrnenoeo lor JSC Jse ol loo s olner than those recommended In lh s serv ce manual may be oelnmcnlal lo lrlc car's sale open1 on as rvec as lne salely 01 lne person servcng I the car. I
Copies of this manual may be purchased from most automotive accessories and parts dealers specializing in BMW automobiles, from
selected booksellers, or directly from the publisher.
This manual was published by Robert Bentley,
Inc., Publishers. BMW has not reviewed and does not vouch for the accuracy of the
technical specifications and procedures described in this manuai.
Libratv of Conaress Cataloaino-in-Publication Data " " -
BMW 5 Series (E39) : service manual : 523. 528i, 530i. 540i, sedan, sport wagon, 1997,
1998, 1999,2000,2001,2002
~Acludes index.
ISBN 0-8376-0317-X (obi<) ,, , 1. BMW 5 series automobiles--Maintenance and repair--Handbooks manuals, etc. 1.
Robert Bentley, Inc.
TL215.8258623 2003 629.28'722--dc23 2003052231
Bentley Stock No. 8502
Editorial closing 08/03
090807 10987654
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Manufactured in the United States of America

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General
BMW special tools
Many repairs covered in this manual call for the use of BMW
special tools. Many of the BMW special tools mentioned in
this manual are simply the best thing to use to do the job cor-
rectly. In these cases, the tool is identified with a
BMW parl
number. See your authorized BMW dealer parts department
for information on how to order special tools.
There are some jobs for which expensive special tools are es-
sential, and not a cost-effective purchase for a one time repair
by the do-it-yourself owner. This manual includes such re-
pairs for the benefit of those with the necessary experience
and access to tools. For the do-it-yourselfer, the need for spe-
cial tools is noted in the text, and whether or not BMW dealer
service is recommended.
Changing a tire
- Stop car on as flat a surface as possible, in a place where you
can be easily seen by other drivers. Avoid stopping just over
the crest of a hill.
WARNING -
If a tire goes flat while driving, pull well off the road. Changing
a tire on a busy slreet or liigliway is very dangerous. If
nec-
essag drive a short distance on the flat tire to get to a safe
place. It is much better to ruin a tire or rim than to
risk being
hit.
-
- Turn on emergency flashers, and set out flares or emergency
markers well behind car.
Choclc wheel (wheel chock located
in trunk) diagonally opposite to the one being changed. Pas-
sengers should get out of car and stand well away from road.
- Take jaclc and tools from tool area beneath trunk mat. Re-
move spare tire from tire storage tray.
- Loosen wheel bolts while car is on ground, but leave them a
little snug.
< Place jack in lifting point nearest wheel being changed. Use
a board to provide a firm footing for jack if ground is soft.
Raise car only far enough so that the wheel is fully off ground
and then remove wheel nuts and wheel.
- Install spare wheel. Install wheel nuts and tighten them hand
tight using lug nut wrench.

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Spare parts kit
Carrying a basic set of spare parts can prevent a rninorbreak-
down from turning into a major repair annoyance. The list be-
low is a good place to start.
Spare parts kit
- basic
Polyribbed drive
belt(s)
BMW engine oil: one or two quarts
BMW engine coolant:
1 gallon of premixed 50150 BMW
anti-freeze and water
Fuse assortment:
7.5A. IOA, 1 5A, 20A, 30A. 50A
Radiator hoses: upper and lower
Spare parts
kit - additional contents
Exterior lighting bulbs: headlight, bralte light, turn signal,
and taillight
* Wiper blades or blade inserts
Brake fluid: new, unopened bottle, DOT
4 specification
Main relay for DME system

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Table b. Inspection I Service (continued)
Checlt transmission and differential for
external lealts.
Check CV joint boots for damage or leaks.
Visually
check fuel tank, fuel lines, and
connections for
leaks.
New parts
Tools Required required
Check condition, position, and mounting
ol
exhaust system. Visually check and adjusl
if necessary.
Check power steering system for lealts.
Check power steering
fluid level and adjust
if necessary.
Check steering racidbox and tie rods for
tightness. Checit condition of front axle
joints, steering
linkage, and steering shaft
joints.
Check overall thickness of front and rear
bralte pads using
BMW special tool. If
replacement is necessary:
Examine brake disc surface.
Clean brake pad contact points in calipers
Grease wheel centering hubs.
Checlt thickness of parking brake linings
only when replacing rear brake shoes.
Checit operation of pariting brake and
adjust as necessary.
Checlt front control arm bushings for
damage or wear.
Check brake system connections and
lines
for leaks, damage, and incorrect
positioning Warm
engine
(~ealer service Irepair , required recommended lnformat~on
Check parking braite actuator. Adjust if
necessary
Check ail tire pressure (including spare)
and correct if necessary.
Checlt condition of tires (outer tread
surface), tread wear pattern: in case of
uneven wear, perform wheel alignment.
inspect entire body according to terms of
rust oerforation limited warrantv. (Must be
*:
4:
2 ~ perfdrmed at least every two years). I
Read out on-board diagnostic (OBD 11) fault
codes.
Checkengine coolant
system1 heater hose
connections for
leaks.
Checit coolant level and antifreeze
protection level. Add coolant as necessary.
* 100113010BD
I
170

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Maintenance
< Release mass air flow sensor clips (A).
Release upper air filter housing clips (B).
4 Lift air filter upper housing, and remove filter element.
NOTE-
V-8 engine air filter assembly shown in illustration. 6-cylinder
air filter assembly is similar but located at the left front of the
engine compartment.
- On installation, install O-ring for mass air flow sensor into
retaining clips in air filter upper housing.
- Replace air filter and upper air filter housing, and attach
upper air filter housing clips.
Cooling system, checking
Antifreeze raises the boiling point and lowers the freezing
~oint of the coolant. BMW recommends enaine coolantthat is
a 50 150 mixture of distilled water and ethGene glycol-based
antifreeze.
Routine cooling system maintenance consists of maintaining
the coolant level and inspecting hoses. Because the coolant's
anticorrosion and antifreeze additives gradually lose their ef-
fectiveness, replacement of the coolant every three years is
recommended.
CAUJION-
Use only BMWapprovedphosphate-free antifreeze when
filing the cooling system. Use of antifreeze containing
phosphates is harmful to the cooling system.
4 Float in radiator tank indicates coolant level. Inspect while
coolant is cold.
When upper mark on float is level with top of filler neck,
coolant is at minimum allowable level.
When lower mark on float is level with top of filler neck,
coolant is at maximum level.
Hose connections should be tight and dry. Coolant seepage
nnection indicates either that hose clamp is

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110-3
Engine Removal and lnstallationl
Q Fuel line plugs
(Tool No.
BMW 13 5 281 / 13 5 282)
4 Fuel line removal tool
(Tool No.
BMW 16 1 050)
CAUTION-
Disconnecting the battery may erase fault code@) storedin
memoiy Check for fault codes prior to disconnecting the
battery cables.
If the MIL (Malfunction Indicator Light, also may be
called "Check Engine" or "Service Engine Soon" light)
is illuminated, see
OBD On-Board Diagnostics for
DME fault code information.
It orhersysrem faults have been detected, as indicated I
by an ~llum~nated ABS, SRS orASC/DSC ~arning light,
see the appropriate repair group in this manual or an
authorized BMW dealer for more information on fault
codes.
NOTE- Engine removal procedures are similar for all 6-cylinder
models. When differences
exist, they are noted at the be-
ginning of each step. Engine are referred to by engine
code. See
100 Engine-General for engine code and appli-
cation information.
@ Be sure to cover all painted surfaces before beginning the
removal procedure. As an aid to installation, label all com-
ponents, wires and hoses before removing them. Do not
reuse
gaskets, O-rings or seals during reassembly.
The
intake manifold must be removed on &cylinder mod-
els before the engine can be removed.
WARNING-
Due to risk of personal injury, be sure the engine is cold be-
fore beginning the removal procedure.

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11 0-4
/Engine Removal and Installation
- Disconnect negative (-) cable from battery.
CAUTION- Prior to disconnecting the
batteg read the battery discon-
nection cautions
in 001 General Cautions and Warnings.
- Remove engine hood, or place in service position. See 410
Fenders, Engine Hood.
4 Remove left and right interior ventilation ducts (lefl side
shown):
Release ventilation filter cover latch (A) and remove cover.
Release plastic loclting tab
(6) or release locking tabs on
top of duct (later models).
Rotate duct counterclocltwise to
unloclt from bulkhead and
remove (arrow).
Disconnect electrical harness from hood switch (C).
Release spring
loclt (D).
Slide filter housing away from inner fender to remove.
Removal of right side ventilation duct is similar.
Remove rear bulkhead panel:
Remove rubber sealing gasket (arrow).
- Remove 3 mounting clips (A).
Remove
4 retaining screws (6).
Lift off panel.
Remove complete air filter housing:
Loosen
intalte duct hose clamp (A) at throttle assembly.
Loosen clamp and remove idle control line from intalte duct
(6) and (where applicable) disconnect idle speed control
valve electrical harness connector.
Disconnect harness connector (C) from mass air flow sen-
sor.
Remove air filter housing mounting screw (D).
Disconnect vent tube
(E).
Loosen air intake duct clamp (F).
Carefully lift air filter housing out of engine bay.

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I Engine Removal and Installation I
4 Where applicable, remove schraedervalve cap (arrow) from
air connection on fuel rail. Using a tire chuck, blow fuel back
through feed line using a brief burst of compressed air
(rnax-
imum of 3 bar or 43.5 psi).
WARNING -
Fuel in fuel line is under pressure (approx. 3 - 5 bar or 45 -
75psi) andmay be expelled underpressure. Do not smoke
or work near heaters or other fire hazards. Keep a fire ex-
tinguisher handy Before disconnecting fuel hoses, wrap
a
cloth around fuel hoses to absorb any leaking fuel. Catch
and dispose of escaped fuel. Plug all open fuel lines.
Alwavs unscrew the Fuel tank cao to release
oressure
I in the tank before working on the tank or lines. I
- Raise car and support in a safe manner.
WARNING-
Male sure the car is stable and we/ supported at all times.
Use a professional automotive lift orjackstands designed for
the purpose. A floor jack is not adequate support
- Working underneath car, remove protective engine splash
guard.
4 Disconnect fuel lines by sliding locking collar in (arrows) and
pulling line apart.