MINI COOPER 2003 Owners Manual
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OVERVIEW REPAIRSOPERATIONCONTROLS DATA INDEX
WHEEL AND TIRE COMBINATIONS  WINTER TIRESThe right choiceThe factory-approved normal and Run Flat 
tires are matched to your vehicle and have 
been selected to provide optimum safety 
and driving comfort if used properly. 
The manufacturer of your MINI rec-
ommends never mounting wheels 
and tires that have not been specifically 
approved by the manufacturer for use on 
your particular model. Although other 
wheels and tires may theoretically have the 
same dimensions, variations in factors such 
as manufacturing tolerances can result in 
contact between tire and bodywork, ulti-
mately leading to serious accidents. The 
manufacturer of your MINI cannot evaluate 
non-approved wheels and tires to deter-
mine if they are suited for use, and there-
fore cannot ensure the operating safety of 
the vehicle if they are fitted.<
The manufacturer of your MINI has tested 
certain tire brands in each size, categorized 
them as safe for use on the road, and 
approved them. Contact your MINI Dealer 
for more details.
The correct wheel and tire combina-
tion affects various systems that 
would otherwise be impaired, e.g. ABS, 
ASC+T and DSC. For this reason, use only 
tires of the same manufacture and tread 
configuration. In the event of a flat tire, for 
example, remount the approved wheel and 
tire combination as soon as possible.<
StorageStore tires in a cool, dry place, protecting 
them against light whenever possible. 
Protect the tires against contact with oil, 
grease and fuel.
Choosing the right tireThe manufacturer of your MINI recom-
mends winter tires – M+S radial tires – for 
driving in adverse winter road conditions. 
While so-called all-season tires with M+S 
designation provide better winter traction 
than summer tires with the load ratings S, 
T, H, V, W, they do not achieve the perfor-
mance of winter tires. 
In the interest of safe tracking and steering 
response, install winter tires made by the 
same manufacturer having the same tread 
configuration on all four wheels.
Before purchasing winter tires, check 
whether your MINI is fitted with Run Flat 
tires. You will recognize Run Flat tires by a 
circular symbol containing the letters RSC 
on the side of the tire, see page 116. In this 
case, use only Run Flat tires, as in the event 
of a flat tire there is no space-saver spare 
tire.
Any MINI Dealer will be glad to advise you 
on the selection of the right winter tires for 
the relevant operating conditions.
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WINTER TIRES SNOW CHAINS
*
Observing speeds
Never exceed the maximum speed 
for which the tires are rated.
Unprofessional attempts by laymen to ser-
vice tires can lead to damage and accidents.
Have this work performed by skilled profes-
sionals only. Your MINI Dealer will be glad 
to assist you with both their expertise and 
the proper equipment for your vehicle.<
Tire condition, tire inflation pressure
Below a tread depth of 
3/16 in / 
4 mm, winter tires display a percepti-
ble decrease in their ability to cope with 
winter driving conditions, and should be 
replaced in the 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.
Only certain types of snow chains have 
been tested by the manufacturer of your 
MINI, classified as road-safe and approved. 
Contact your MINI Dealer for more details. 
The manufacturer of your MINI recom-
mends that you use these fine-link snow 
chains only. Their use is only permitted in 
pairs on the front wheels on winter tires of 
the following type: 
175/65 R 15.
When fitting, comply with the manufac-
turer's instructions. With chains, do not 
exceed a speed of 30 mph / 50 km/h.
After fitting the snow chains, do not 
activate the Flat Tire Monitor.
When driving with snow chains, it can be 
helpful to switch off the ASC+T or DSC for a 
brief period, see pages 62, 63.<
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OVERVIEW REPAIRSOPERATIONCONTROLS DATA INDEX
BONNET
Do not attempt to service your vehi-
cle if you do not have the required 
technical background. Before working in 
the engine compartment, switch off the 
engine and allow it to cool down. Before 
working on the electrical system, always 
disconnect the battery first. For all work on 
the vehicle, comply with the appropriate 
information and instructions. Failure to 
work in an informed, professional manner 
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 
MINI Dealer.<
To unlock Pull the lever in the right door area beneath 
the instrument panel.
To open1. Reach under the bonnet
2. Pull the release lever
3. Open the bonnet.To closeAllow the bonnet to fall from a height of 
approx. 1 ft / 30 cm.
To avoid injuries, be sure that the 
travel path of the bonnet is clear 
when it is closed, as with all closing proce-
dures.
If it is determined that the bonnet is not 
completely closed while driving, stop 
immediately and close it securely, see also 
page 16.<
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ENGINE COMPARTMENT – MINI COOPER1Reservoir for windshield washer 
system94
2Coolant expansion tank963Engine oil filler neck95
4Battery122
5Brake fluid reservoir976Reservoir for headlamp cleaning 
system94
7Engine oil dipstick94
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OVERVIEW REPAIRSOPERATIONCONTROLS DATA INDEX
ENGINE COMPARTMENT – MINI COOPER S1Reservoir for windshield washer 
system94
2Coolant expansion tank963Engine oil filler neck95
4Auxiliary terminal for jump-
starting124
5Brake fluid reservoir976Reservoir for headlamp cleaning 
system94
7Engine oil dipstick94
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WASHER FLUID ENGINE OILHeadlamp* and windshield washer 
systemsThe capacity of the headlamp washer sys-
tem is approx. 2.6 quarts / 2.5 liters, that of 
the windshield washer system approx. 
2.1 quarts / 2.0 liters.
Fill with water and – if required – with anti-
freeze, according to manufacturer's recom-
mendations.
We recommend that you mix the 
washer fluid before adding it to the 
reservoir.< 
Antifreeze agent for the washer sys-
tems is flammable. Always keep it 
well away from sparks and open flames, 
and store it in tightly closed containers well 
out of the reach of children. Always observe 
the instructions for use provided on the 
container.<
The illustration shows as an example the 
dipstick of the MINI COOPER.Measuring the oil level 1. Park the vehicle on a level surface
2. Switch the engine off after it has 
reached normal operating temperature
3. Pull the dipstick out after approx. 
5 minutes and wipe it off with a lint-free 
cloth, paper towel, or similar material
4. Carefully push the dipstick all the way 
into the guide tube and pull it out again.
The oil level must be between the two 
marks on the dipstick.
As with fuel economy, oil consumption is 
directly influenced by your driving style and 
vehicle operating conditions.
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OVERVIEW REPAIRSOPERATIONCONTROLS DATA INDEX
ENGINE OILThe oil volume between the two notches – 
MIN, MAX – on the dipstick corresponds to 
approx. 1.1 quarts / 1 liter. Do not fill 
beyond the upper notch on the dipstick. 
Excess oil will damage the engine.
Adding engine oil 
Only top up oil when the oil level has 
dropped to just above the lower 
notch of the dipstick. However, never allow 
the level to drop below the lower notch.<
MINI engines are designed to operate 
without oil additives; the use of addi-
tives could lead to damage in some cases. 
That is also valid for the Continuously Vari-
able automatic Transmission (CVT), the 
gear box and the power assisted steering.<
The manufacturer of your MINI recom-
mends that you have the oil changed at 
your MINI Dealer.
Continuous exposure to used oil has 
caused cancer in laboratory testing. 
For this reason, any skin areas that come 
into contact with oil should be thoroughly 
washed with soap and water.
Always store oil, grease, etc., out of reach of 
children. Comply with all warning labels 
and information on lubricant containers.<
Comply with the applicable environ-
mental laws regulating the disposal 
of used oil.<
Specified engine oilsThe quality of the engine oil selected has 
critical significance for the operation and 
service life of an engine. Based on extensive 
testing, the manufacturer of your MINI 
approves only certain grades of engine oil. 
Use only approved MINI High Performance 
Synthetic Oil.
If you are unable to obtain MINI High Per-
formance Synthetic Oil, you can add small 
amounts of synthetic oil in between oil 
changes. Only use oils with the API SH spec-
ification or higher.
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ENGINE OIL COOLANT
Ask your authorized MINI Dealer for 
details concerning the specific MINI 
High Performance Synthetic Oil or syn-
thetic oils which have been approved.< 
ViscositiesViscosity is the oilflow rating as established 
in SAE classes.
The choice of the proper SAE class depends 
on the climatic conditions in the area 
where your MINI is used.
Approved oils are in SAE classes 
5W-40 and 5W-30.<
These oils can be used at all ambient tem-
peratures.
Do not add coolant to the cooling sys-
tem when the engine is hot. Escaping 
coolant can cause burns.
Antifreeze and anti-corrosion agents are 
hazardous to health. Always store these 
agents in tightly-closed original containers 
kept well away from the reach of children.
Antifreeze and anti-corrosion agents are 
flammable. Therefore, do not spill them 
over hot engine parts; otherwise they may 
ignite and cause burns. Always observe the 
instructions for use provided on the con-
tainers.<
Comply with the applicable environ-
mental laws regulating the disposal 
of antifreeze and anti-corrosion agents.<
The illustration shows as an example the 
coolant tank on the MINI COOPER.Checking coolant levelCorrect coolant level with cold engine – 
approx. 68 7 / 20 6:
Up to the MAX mark of the transparent 
expansion tank.
Only open the cap of the expansion 
tank when the engine has cooled 
down. The needle on the coolant tempera-
ture gauge in the instrument cluster must 
be no higher than in the first quarter, oth-
erwise there is a danger of scalding.<
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OVERVIEW REPAIRSOPERATIONCONTROLS DATA INDEX
COOLANT BRAKE FLUIDTo add coolant
 
MINI COOPER:
1. Slowly open the cap by pulling at the tab 
to allow accumulated pressure to 
escape.
2. Pull open the cap completely.
3. If the coolant is low, slowly add coolant 
until the correct level is reached – do not 
overfill.
MINI COOPER S:
1. Open the cap by turning it slightly coun-
terclockwise to allow accumulated pres-
sure to escape.
2. Unscrew and open the cap completely.
3. If the coolant is low, slowly add coolant 
until the correct level is reached – do not 
overfill.
The coolant is made up of water and an 
antifreeze with corrosion resistance. The 
mixture ratio of 50 to 50 must be kept the 
entire year due to the required anti-corro-
sion property. No other additives are 
required.
Replace the coolant every three years.
Warning lamp
If the brake warning lamp comes 
on with the parking brake released:
The brake fluid level is too low, see 
page 15.
Brake warning lamp for Canadian 
models.
Adding brake fluidTo add brake fluid or to determine and cor-
rect the cause of brake fluid loss, consult 
your MINI Dealer. Your MINI Dealer is famil-
iar with the specifications for factory-
approved brake fluids – DOT 4.
Brake fluid loss may result in extended 
brake pedal travel. If this occurs, refer to 
the information on page 84.
Brake fluid is hygroscopic, that is, it 
absorbs moisture from the air over 
time. 
In order to ensure the brake system's safety 
and reliability, have the brake fluid 
changed every two years by a MINI Dealer, 
see also the Service and Warranty Informa-
tion Booklet for US models or the Warranty 
and Service Guide Booklet for Canadian 
models. Brake fluid is toxic and also dam-
ages vehicle paintwork. Always store brake 
fluid in tightly-closed original containers 
kept well away from the reach of children.
Do not spill the brake fluid and do not fill 
the brake fluid reservoir beyond the MAX 
mark. The brake fluid could ignite upon 
contact with hot engine parts and cause 
serious burns.<
Comply with the applicable environ-
mental laws regulating the disposal 
of brake fluid.<
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MINI MAINTENANCE SYSTEMThe MINI Maintenance System has been 
designed as a reliable means of providing 
maximum driving and operating safety – 
and as cost-effective for you as possible. 
Please bear in mind that regular mainte-
nance is not only necessary for the safety of 
your vehicle, but also plays a significant 
role in maintaining the resale value of the 
vehicle. 
Service Interval DisplayWhile conventional systems specify main-
tenance according to fixed distances 
driven, the MINI Maintenance System takes 
account of the operating conditions of the 
vehicle, for distances can be driven in many 
different ways:
60,000 miles / 100,000 km short distance 
operation can not be equated with 
60,000 miles / 100,000 km long distance 
operation from a maintenance standpoint.
The condition-based MINI Maintenance 
System includes the Engine Oil Service and 
Inspections I and II.
Determining the maintenance intervals 
according to the actual use of the vehicle 
covers every kind of operating situation. 
People who drive very little – much less 
than 6,000 miles / 10,000 km per year – 
should have the engine oil changed at least 
every 2 years since oil deteriorates over 
time, regardless of use.
For more information on the service inter-
val display, see page 60.
Service and Warranty Information 
Booklet for US models, Warranty and 
Service Guide Booklet for Canadian 
models For additional information on maintenance 
intervals and procedures, please refer to 
the Service and Warranty Information 
Booklet for US models or the Warranty and 
Service Guide Booklet for Canadian models. 
As a precaution against rust, it is advisable 
to have the body checked for damage from 
rocks or gravel at the same time, depending 
upon operating conditions.
Have your vehicle's maintenance and 
repairs performed at your MINI 
Dealer. Be sure that all maintenance work 
is confirmed in the Service and Warranty 
Information Booklet for US models or the 
Warranty and Service Guide Booklet for 
Canadian models. These entries are your 
proof that the vehicle has received regular 
maintenance. They are also a requirement 
for warranty claims.<
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