BMW 323ci Convertible (2000 year). Instruction — part 10

126nWheel and tire combinations

The right choice

Codes on tires and wheels

Winter tires:

Use only tires approved by BMW.

The tire codes will aid you in selecting

Q M+S = up to 100 mph (160 km/h)

Refer to the information beginning on

the correct tire.

T M+S = up to 118 mph (190 km/h)

page 128.

H M+S = up to 130 mph (210 km/h)

The codes on radial tires:

Due to the high speeds this vehicle can

Codes stamped on light-alloy wheels:

For example:

225/50 R 16 92

reach, the use of specific brands, spec-

Nominal width

For example:

J x

H 2

ifications and sizes is mandatory. Con-

in mm

Rim width

sult any BMW center for details.

Aspect ratio in X

in inches

Comply with local/national regulations.

Radial tire code

Code letter for

Rim diameter in inches

flange type

The correct wheel-tire combina-

Load rating

Symbol for full-drop

tion affects different systems, e.g.

(not on ZR tires)

center rim

ABS, ATC* and DSC, whose function

Speed rating

Rim diameter in inches

would otherwise be impaired if im-

(before R on ZR tires)

Hump on the 2 rim shoulders

proper wheel-tire combinations are

used.

The speed rating indicates the ap-

For this reason, use only tires of the

Protect tire valves from dirt by using

proved maximum speed for the tire.

same brand and tread pattern. In the

screw-on valve stem caps. Dirt in the

event of a flat tire, for example, remount

Summer tires:

valves frequently leads to slow leaks.

the approved wheel-tire combination as

= up to 112 mph (180 km/h)

soon as possible.<

= up to 118 mph (190 km/h)

= up to 130 mph (210 km/h)

= up to 150 mph (240 km/h)

W = up to 167 mph (270 km/h)

= over 167 mph (270 km/h)

ZR = over 150 mph (240 km/h)

Winter tires

127n

Choosing the right tire

Do not exceed specified

Storage

maximum speeds

BMW recommends winter tires (M+S

Always store tires in a cool, dry place.

radial tires) for driving in adverse winter

Store them away from light whenever

Never exceed the maximum speed

road conditions. Although all-season

possible. Protect the tires against con-

for which winter tires are rated.

tires with the M+S identification provide

tact with oil, grease and fuel.

Unprofessional attempts by laymen to

better winter traction than summer tires

service tires can lead to damage and

with H, V, W Y and ZR speed ratings,

Snow chains*

accidents.

they generally fail to provide the same

The use of narrow-link BMW snow

Have this work performed by skilled

levels of performance as standard

chains on summer or winter tires is

professionals only. Any BMW center

winter tires.

approved only in pairs and only on the

has the required technical knowledge

In the interests of safe tracking and

rear wheels. Comply with all manufac-

and the proper equipment and will be

steering response, install winter tires

turer's safety precautions when mount-

happy to assist you.<

made by the same manufacturer having

ing the chains.

the same tread configuration on all four

Tire condition, tire pressure

wheels.

Once the tire wears to a tread depth

Mount only winter tires which have

below 0.16 in (4 mm), winter tires dis-

been approved by BMW. Any BMW

play a perceptible decrease in their

center will be glad to provide you with

ability to cope with winter driving condi-

information on the best winter tires for

tions, and should be replaced in the

your particular driving conditions.

interest of safety.

Comply with the specified tire inflation

pressures - and be sure to have the

wheel and tire assemblies balanced

every time you change the tires.

128nApproved wheel and tire specifications

Only light-alloy wheels are to be used

Tire specifications

Steel rim

Light-alloy

for summer tires.

(wheel rim)

wheel

Summer tires

Snow chains*

205/55 R 16 91 H

7Jx16

You cannot mount snow chains on the

225/50 R 16 92 W

7Jx16

following tires:

225/50 ZR 16

7Jx16

225/50 R 16 92 W

205/50 R 17 93 W extra load

7Jx17

225/50 ZR 16

225/45 R 17 91 W

8Jx17

225/40 ZR 18

Front: 225/40 ZR 18

8Jx18

255/35 ZR 18

Rear: 255/35 ZR 18

8.5Jx18

225/45 R 17 91 W

225/50 R 16 92 Q/T/H

Winter tires (M+S)

225/45 R 17 91 Q/T/H

205/55 R 16 91 Q/T/H

7Jx16

225/50 R 16 92 Q/T/H

7Jx16

Mixed tires

205/50 R 17 93 Q/T/H extra load

7Jx17

For details concerning tire manufactur-

225/45 R 17 91 Q/T/H

8Jx17

ers for mixed tires, refer to the specifi-

Space-saver spare tire

cations in the vehicle documents.

T 115/90 R 16 92 M

3.0Bx16

T 125/90 R 16 98 M

3.5Bx16

T 125/80 R 17 99 M

3.5Bx17

Comply with the specifications for tires and wheels in the

vehicle's documents.

If you install tire sizes not approved by the manufacturer, you

may have to enter this information in the vehicle documents.

Hood

129n

To unlock

To open

To close

Pull the lever located under the left-

Pull the release handle and open the

Allow the hood to fall from a height of

hand side of the dashboard.

hood.

about 12 in (30 cm) so that it audibly

engages.

Do not work on your vehicle with-

out appropriate skills. Always

To avoid injuries, be sure that the

switch off the engine and allow it to

travel path of the hood is clear

cool down before working in the engine

when it is being closed, as with all

compartment. Always disconnect the

closing procedures. If it is determined

battery before working on any electrical

that the hood is not completely closed

systems or equipment, especially when

while driving, stop immediately and

these are located within the engine

close it securely.<

compartment. Comply with all applica-

ble instructions and warnings. Failure to

work in an informed, professional man-

ner when servicing components and

materials constitutes a safety hazard

for vehicle occupants and other road

users. If you are not familiar with the

guidelines, please have the operations

performed by your BMW center.<

130nEngine compartment

Engine compartment

131n

1 Brake fluid reservoir

136

2 Engine oil dipstick

133

3 Coolant expansion tank

135

4 Engine oil filler neck

133

5 Reservoir for the headlamp* and

windshield washer system

132

6 Auxiliary terminal for jump

starting

168

132nWasher fluids

Washer nozzles

Antifreeze for the washer systems

Windshield washer

is flammable. For this reason,

The spray from the nozzles should be

keep it away from sources of flame and

directed so as to ensure effective clean-

store it in its original container. Store it

ing, even at high speeds. Use a needle

so that it is inaccessible to children.

to adjust the nozzles as required, or

Comply with the instructions on the

have them adjusted by your BMW

containers.<

center.

Headlamp washer system*

Have this system adjusted by your

BMW center as required.

Headlamp* and windshield

washer system

Capacity: approx. 5.6 US quarts

(5.3 liters).

Fill with water and - if required - with a

washer antifreeze (according to manu-

facturer's recommendations).

We recommend that you mix the

washer fluid before adding it to

the reservoir.<

Engine oil

133n

Checking the oil level

When the oil is between the two

To add oil

1 Park the vehicle on a level surface

marks on the dipstick, there is approx.

Wait until the level has dropped to just

2 Shut the engine off after it has

1.1 US quarts (1 liter). Do not fill be-

above the lower mark before adding oil.

reached normal operating tempera-

yond the upper mark on the dipstick.

However, never let the oil drop below

ture

Excess oil will damage the engine.

the lower mark.

3 After approx. 5 minutes, pull the dip-

stick out and wipe it off with a clean

BMW engines are designed to op-

lint-free cloth, paper towel, or similar

erate without oil additives; the use

material

of additives could lead to damage in

4 Carefully push the dipstick all the way

some cases. This also applies to the

into the guide tube and pull it out

manual transmission, the automatic

again

transmission*, the differential, and

5 The oil level should be between the

power steering system.<

two marks on the dipstick.

As with fuel economy, oil consumption

is directly influenced by your driving

style and vehicle operating conditions.

134nEngine oil

Specified engine oils

Viscosity ratings

The quality of the engine oil is extremely

Viscosity is the oil flow rating as estab-

important for the function and life of an

lished in SAE classes.

engine. Based on extensive testing,

The selection of the correct SAE class

BMW has approved only certain types

depends on the climatic conditions in

of engine oils.

the area where you drive your BMW.

Use only approved "BMW High Perfor-

mance Synthetic Oil".

Approved oils are in SAE classes

5W-40 and 5W-30.<

If you are unable to obtain "BMW High

Performance Synthetic Oil", you may

These kinds of oil may be used for

use small volumes of other approved

driving in all outdoor temperatures.

synthetic oils for topping off between oil

changes. Use only oils with the specifi-

cation API SH or higher.

Ask your BMW center for details

concerning the specific "BMW

High Performance Synthetic Oil" or syn-

thetic oils that have been approved.<

You can also call BMW of North Amer-

ica at 1-800-831-1117 or visit this web-

site: www.bmwusa.com to obtain this

information.

Engine oil

Coolant

135n

Always comply with all environ-

Do not add coolant to the cooling

mental protection guidelines and

system when the engine is hot. If

regulations when disposing of used oil.<

you do, escaping coolant can cause

burns.

Recommendation: have the oil changed

To avoid the possibility of damage later

by your BMW center only.

on, never use anything other than fac-

tory approved nitrite and amino-free

Continuous exposure to used oil

extended-duty antifreeze with corrosion

has caused cancer in laboratory

inhibitor. Your BMW center is familiar

testing.

with the factory specifications.

For this reason, thoroughly wash any

Antifreeze and anticorrosion agents are

areas of skin that come into contact

hazardous to health. You should always

with oil using soap and water.

store them in their original container

Checking coolant level

Always store oils, grease and similar

and in a location that is inaccessible to

Correct coolant level when the engine

materials so that they are inaccessible

children. Extended duty antifreeze with

is cold (approx. 68 7 or +20 6):

to children. Comply with warning labels

corrosion inhibitor contains ethylene

and information on containers.<

glycol, a flammable substance. There-

Unscrew the cap from the expansion

fore, do not spill antifreeze with corro-

tank.

sion inhibitor on hot engine parts. It

The coolant level is correct when the

could ignite and cause serious burns.<

upper end of the red float is at least

even with the upper edge of the filler

Comply with the applicable envi-

neck (refer to the arrow in the illustra-

ronmental laws regulating the dis-

tion), but no more than 0.8 inches

posal of extended-duty antifreeze with

(2 cm) above it - that is, up to the

corrosion inhibitor.<

second mark on the float (refer also

to the schematic diagram next to the

filler neck).

136nCoolant

Brake fluid

Adding coolant

Brake fluid is hygroscopic, that is,

it absorbs moisture from the air

Wait until the engine cools before re-

over time.

moving the cap from the expansion

In order to ensure the safety and reli-

tank. The coolant gauge needle in the

ability of the brake system, have the

instrument cluster must be located in

brake fluid changed every two years by

the blue zone. If it is not, there is a

a BMW center. Refer also to the Service

danger of scalding.

and Warranty Information Booklet (US

1 Turn the cap slightly counterclock-

models) or the Warranty and Service

wise in order to allow accumulated

Guide Booklet (Canadian models).

pressure to escape. Then open

Brake fluid is toxic and damages the

the cap

vehicle's paint. You should always store

2 If the coolant is low, slowly add

it in its original container and in a loca-

coolant until the correct level is

If the warning lamp for the brake sys-

tion inaccessible to children.

tem comes on and the parking brake

reached - do not overfill.

Do not spill the fluid and do not fill the

has been released:

The coolant is a mixture of water and

brake fluid reservoir beyond the "MAX"

Check the brake fluid level. Fill it to the

extended-duty antifreeze with corrosion

mark. The brake fluid could ignite upon

top mark ("MAX") if necessary.

inhibitor. Always maintain the pre-

contact with hot engine parts and

For adding brake fluid or for determin-

scribed all-season 50:50 mixture ratio

cause serious burns.<

for year-round protection against inter-

ing and correcting the cause of brake

fluid loss, consult your BMW center.

nal corrosion. No other additives are

Comply with the applicable envi-

required.

Your BMW center is familiar with the

ronmental laws regulating the dis-

specifications for factory-approved

Replace the coolant every four years.

posal of brake fluid.<

brake fluids (DOT 4).

Brake fluid loss can result in extended

pedal travel. Comply with the informa-

tion provided on page 117.

Vehicle Identification Number

137n

In the engine compartment, on the

right-hand strut dome (arrow).

138n

The BMW Maintenance System

Service Interval Display. While conven-

Service and Warranty Information

tional systems rely on distance traveled

Booklet (US models)/Warranty and

alone to determine when service is due,

Service Guide (Canadian models)

the BMW Maintenance System has for

For additional information on mainte-

years considered the actual conditions

nance intervals and procedures, please

under which the vehicle operates, be-

refer to the Service and Warranty Infor-

cause miles can be traveled in many

mation Booklet (US models) or to the

different ways:

Warranty and Service Guide (Canadian

From a maintenance point of view,

models).

62,000 miles (100,000 km) of short-dis-

As a precaution against rust, it is advis-

tance urban driving are not the same as

able to have the body checked for dam-

62,000 miles (100,000 km) of long-dis-

age from rocks or gravel at the same

tance highway driving.

The BMW Maintenance System has

time, depending upon operating condi-

been designed as a reliable means for

In response to this fact, the BMW Main-

tions.

providing maximum driving and operat-

tenance System monitors operating

ing safety - and as cost effectively as

conditions as the basis for determining

Have your BMW center perform

possible for you. Once again, with re-

the optimum service intervals for your

maintenance and repair.

spect to the previous version, mainte-

individual vehicle. The BMW Mainte-

Your BMW center is always up-to-date

nance costs were able to be reduced

nance System includes the Engine Oil

on the latest maintenance work and re-

due to technical innovations.

Service and Inspections I and II.

pair techniques and equipped with the

Please keep in mind that regular main-

Determining maintenance intervals ac-

required special tools. In addition,

tenance is not only necessary for the

cording to the actual use of the vehicle

checking parts known from experience

safety of your vehicle, but also plays

covers every kind of operating situation.

to be subject to wear is a permanent

a significant role in maintaining its

Even those who drive very little - signif-

part of the maintenance specifications.

resale value.

icantly less than 6,000 miles (10,000 km)

Be sure that all maintenance work is

annually - should still have the engine oil

confirmed in the Service and Warranty

Service Interval Display

changed at least every 2 years because

Information Booklet (US models) or the

engine oil deteriorates over time, re-

Warranty and Service Guide (Canadian

Advanced technology is employed to

gardless of the amount of wear and tear

models). These entries will constitute

calculate the optimal maintenance in-

to which it has been subjected.

your proof that the vehicle has received

tervals. These are then indicated in the

regular maintenance. They are also

required for warranty claims.<

Caring for your vehicle

139n

Washing your vehicle

Vehicles with rain sensor*:

When cleaning the headlamps,

Clean the windshield regularly. Wax

please observe the following:

You can wash your BMW at an auto-

from automatic car washes or insects

Do not clean by wiping with a dry cloth

matic car wash, even when it is new.

can cause the rain sensor* to malfunc-

(scratches). Never use abrasives or

Brushless systems are preferable (refer

tion.

strong solvents to clean the covers.

to page 144 as well).

Remove dirt and contamination (such

Wipe away tough dirt and loosen and

Turn the rain sensor* off (refer to

as insects) by soaking with BMW Car

remove dead insects before washing

page 78) when passing through an

Shampoo and then rinsing with plenty

the vehicle.

automatic car wash. Failure to do so

of water. Always use a deicer spray to

In order to avoid spots, do not wash the

could result in damage caused by unin-

remove accumulated ice and snow -

vehicle when the hood is warm, or dur-

tended wiper activation.<

never use a scraper.<

ing or immediately after exposure to

strong sunlight.

Parts of the vehicle that are inaccessi-

After washing the vehicle, apply

When using an automatic car wash, be

ble to the automatic washer - such as

the brakes briefly to dry them.

sure that:

door sills, door and hood edges, etc. -

Braking efficiency might otherwise be

should be cleaned by hand.

reduced by the moisture and the brake

> The car wash system is suited for the

rotors could also corrode.<

dimensions of your vehicle

In the winter months, it is especially im-

> No damage will occur to vehicles

portant to ensure that the vehicle is

with attached body accessories (such

washed on a regular basis. Large quan-

as spoilers or antennas). Consult the

tities of dirt and road salt are difficult to

car wash operator if necessary

remove, and they also damage the

> The wheels and tires of your vehicle

vehicle.

cannot be damaged by the convey-

ance devices of the car wash system

If spray wands or high-pressure

> The vehicle is cleaned with minimum

washers are used, be sure to

brush pressure, and that ample water

maintain an adequate distance between

is available for washing and rinsing.

the spray source and the vehicle's sur-

face. Inadequate distance and exces-

sive pressure can damage or weaken

the finish, making it more susceptible to

subsequent attack. In addition, mois-

ture could penetrate to vehicle compo-

nents, leading to long-term damage.<

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BMW 323ci Convertible (2000 year). Instruction — part 10

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