1998 BMW CONVERTIBLE wheel size

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ABS enhances active safety by helping
to prevent the wheels from locking under
braking. When the front wheels slide, the
driver loses steering control over the
vehicle. Traction loss at the rear wheels
can cause the rear end to break into
uncontrolled oversteer.
ABS is designed to meet two essential
requirements during every application:
dto help provide vehicle stability on all
types of road surface (asphalt,
cement, dirt, moisture, snow and ice).
dto help to retain steering and maneu-
vering capability under the same con-
ditions.
However, certain important consider-
ations must be borne in mind in connec-
tion with these requirements:
Not even ABS can suspend the normal
laws of physics. ABS alone can not pre-
vent accidents when the brakes are
applied without an adequate safety
interval between vehicles, when the car
reaches excessive rates of lateral accel-
eration in curves, or if aquaplaning
occurs. Responsibility for these types of
situations remains in the hands (and feet)
of the driver. You should never allow the
added safety of ABS to lull you into a
false sense of security, or mislead you
into taking increased risks that could
affect your own safety and that of others.
Driving with ABSThe yellow ABS warning in the instru-
ment panel goes out as soon as the
engine is started.
The system becomes operative once the
vehicle exceeds a speed of 5 mph
(8 km/h). The ABS is deactivated when-
ever the vehicle's speed drops below
approx. 2 mph (3 km/h). This means that
the wheels can lock in the Þnal phase of
a braking action - a factor of no signiÞ-
cance in actual practice.
The ABS system closed-loop control cir-
cuit cycles in fractions of a second. A
pulsation at the brake pedal indicates to
the driver that ABS is active, that is, that
the car is within its maximum braking
range. In addition, the audible pulsation
that accompanies the control operation
calls your attention to the reduced trac-
tion between tires and road surface
(marginal adhesion), and reminds you
that the vehicle's speed should be
reduced to adapt to road conditions.On road surfaces featuring a loose top
layer on a Þrmer substratum, e.g., on
gravel or snow, the braking distances
with ABS may be longer than with the
wheels locked. However, ABS continues
to provide enhanced vehicle and steer-
ing control under these conditions.
a
To ensure that the system remains
completely operational, never modify the
ABS. Service procedures on ABS are to
be performed by authorized technicians
only.c
ABS may fail to function with maximum
efÞciency when tires of different sizes
are mounted (e.g., winter tires/spare tire;
remount the correct tires at all wheels as
soon as possible).
In the event of a fault, the ABS warning
lamp in the instrument cluster lights up,
refer to page 18. The braking system
then reverts to conventional operation as
on a vehicle without ABS. However,
have the brake system checked by your
BMW Retailer as soon as possible. To
prevent undetected defects and cumu-
lative faults from adversely affecting the
brake system, refer any problems to
your authorized BMW Retailer at the
earliest opportunity.
Antilock Brake System (ABS)

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b
Size 185/65 R 15 88 T tires are
only for the BMW 318i Sedan.c
b
Sizes 225/55 R 15 92 V,
225/55 R 92 Q, T, H M+S, 225/50 ZR 16.
These tires are not suitable for use with
snow chains.c
ModiÞcations to the vehicle are required
before retrofitting tires in the above
dimensions.
Please consult your BMW Retailer.The use of fine-link BMW snow chains
*
on summer or winter tires is only per-
mitted in pairs on the rear wheels.
Always observe the tire manufacturerÕs
safety recommendations when fitting. Tire speciÞcations Steel rim
(wheel rim)Light-alloy wheel Rim offset
(mm)
BMW 318is Coupe, 318i Convertible, 318i Sedan
185/65 R 15 88 T 6 J x 15 H2 Ð 42
185/65 R 15 88 Q, T M+S
6 J x
15 H2
Ð42
205/60 R 15 91 H
6g Jx15 H2
7 J x 15 H2 47
205/60 R 15 91 Q, H M+S
6g Jx15 H2
7 J x 15 H2 47
225/55 R 15 92 V
6g Jx15
H2 7 J x 15 H2 47
225/50 R 16 92 Q M+S Ð 7 J x 16 H2 45/46
225/50 ZR 16 Ð 7 J x 16 H2 45/46
Approved wheels and tires

11 6
b
Sizes 225/55 R 15 92 V,
225/55 R 92 Q, T, H M+S, 225/50 ZR 16.
These tires are not suitable for use with
snow chains.c
ModiÞcations to the vehicle are required
before retrofitting tires in the above
dimensions.
Please consult your BMW Retailer.The use of fine-link BMW snow chains
*
on summer or winter tires is only per-
mitted in pairs on the rear wheels.
Always observe the tire manufacturerÕs
safety recommendations when fitting. Tire speciÞcations Steel rim
(wheel rim)Light-alloy wheel Rim offset
(mm)
BMW 323is Coupe, 323i Convertible
185/65 R 15 88 Q M+S
6 J x
15 H2
Ð42
205/60 R 15 91 H
6g Jx15 H2
7 J x 15 H2 47
205/60 R 15 91 Q, H M+S
6g Jx15 H2
7 J x 15 H2 47
225/55 R 15 92 V
6g Jx15
H2 7 J x 15 H2 47
225/50 R 16 92 Q M+S Ð 7 J x 16 H2 45/46
225/50 ZR 16 Ð 7 J x 16 H2 45/46
Approved wheels and tires

11 7
At a glanceControlsCar careRepairsTechnicalDataIndex
b
Size 225/50 ZR 16 tires are not
suitable for use with snow chains.c
ModiÞcations to the vehicle are required
if retrofitting these tires.
Please consult your BMW Retailer.The use of fine-link BMW snow chains
*
on summer or winter tires is only per-
mitted in pairs on the rear wheels.
Always observe the tire manufacturerÕs
safety recommendations when fitting. Tire speciÞcations Steel rim
(wheel rim)Light-alloy wheel Rim offset
(mm)
BMW 328is Coupe, 328i Convertible, 328i Sedan
205/60 R 15 91 H Ð 7 J x 15 H2 47
205/60 R 15 91 Q, H M+S
6g Jx15 H2
7 J x 15 H2 47
225/50 R 16 92 Q M+S Ð 7 J x 16 H2 45/46
225/50 ZR 16 Ð 7 J x 16 H2 45/46
Approved wheels and tires

173
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Note: This index does not correspond to the original manual in all detailscomponents
105
SSAFETY DEFECTS
7
Seat heaters
87
Seat, electric 44
Seat, mechanical
43
Seatback release 45
Seatbelts
47
Seats, adjustment
43
Selector lever, automatic
transmission
58
Service Interval Display
64
Shift programs
59
Side airbag
50
Sliding
106
Sliding/tilt sunroof
36
Close in case of electrical
fault
152
Slippery roads
105
Snow chains
105
Spare key
30
Spare keys 30
Spare tire 112
, 146
Spark plugs
167
Special oils 125
Speed warning activation
threshold 80
Sport seat 44
Start
54
Start the engine
Preheating
54
Starting assistance
153Starting problems
102
Steel wheel
115
Steering
128
Steering lock
54
Steering wheel lock
54
Stopwatch
80
Storage shelves
93
Summer tires
113
Sun visor
46
Switching off the engine
55
Switching off the vehicle 55
Symbols
4
Battery 149
TTachometer
63
Tailgate
33
Taillights 143
Taillights,
Replace bulbs
143
Tank cover
Unlock in case of
electrical fault 152
Technical Data 160
Technical data 160
Telephone
108
Temperature 91
Temperature display
66
Temperature layering 92
Tempomat
62
Thigh support
Ajustment 44
Third brake light
143Through loading system
95
Timer
81
Tire change
146
Tire damages 111
Tire inflation pressure
25
,
111
Tire inscription
113
Tire replacement 112
Tire sizes
115
Tire tread 111
Tool kit
140
Tools
140
Tow starting
154
Towing
154
Towing eyelets
154
Track
161
Trailer load, permissible
163
Trailer nose weight,
permissible
163
Transmission 57
Traveling abroad
102
Tread depth, tires 111
Trip
63
Trip distance recorder
63
Trip odometer
63
Trunk
Capacity
163
Trunk lights,
Replace bulb
145
Turn on
54
Turn signal indicator
60
Turn signal,Replace bulb
142
Turn signals
143
Turning circle 161
Turning radius 161
UUnloaded vehicle weight

163
Unlocking and locking doors

31
Used batteries
150
VVehicle care, interior
133
Vehicle decommissioning

137
Vehicle identification
129
Vehicle identification
number
129
Vehicle immobilization unit

30
Vehicle paintwork
132
Vehicle weight
163
Ventilate at a standstill
81
Ventilation, draft free
92
WWarm feet - cool head
92
Warning
71
Warning Light-On
85
Warning lights
20
Washer fluid
Add
124
Fill up 166
Washer fluid reservoir
Everything from A to Z