MiniCOOPER S - Hardtop2003R53/mini/cooper-s-hardtop/2003/r53/

2003 Mini COOPER S - Hardtop — R53

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 COOPER S - Hardtop R53.

Body PASSENGER CAREngine R53Transmission Manual 6-spd

The 2003 Mini COOPER S Hardtop R53 is a passenger car powered by the R53 engine and paired with a 6-speed manual transmission. This model achieves an EPA-rated fuel economy of 22/31/25 mpg and utilizes 4.8 quarts of 5W-30 engine oil. Its reliability record includes 4 recalls and 537 total owner complaints, with steering emerging as the primary area of concern.

Model year2006200520042003200220012000

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4.8 qtOEM · verified
Engine oil type5W-30OEM · verified
Lug nut torque88 ft-lbsOEM · verified
EPA fuel economy22/31/25 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 47 · 480 CCA battery, OE oil filter 11427562249. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 47 · 480 CCAOEM · verified

OE service part numbers OEM · verified

Engine oil filter11427562249 alt 11421486687
Engine air filter13717558382 alt 13721477840
Fuel filter16146757196 alt 16146765124
Battery61218377139
Front wiper blades61610028137
Thermostat11537596787 alt 11537512733
Cabin air filter64319257505

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionManual 6-spd

Dimensions & weight NHTSA vPIC

Overall length142.9 in
Overall width66.5 in
Overall height55.9 in
Wheelbase97.2 in
Curb weight2524 lb
Track (front / rear)57.9 / 57.5 in
Weight distribution (front / rear)61/39

Ratings & economy EPA / vPIC

EPA city / highway / combined22 / 31 / 25 mpg
DrivetrainFront-Wheel Drive
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4.8 qt of 5W-30 engine oil. Torque lug nuts to 88 ft-lbs, the oil drain plug to 23.0 ft-lbs. The firing order is 1-3-4-2.

Lubricants & capacities

Engine OilSYNTHETIC · 5W-30
Engine Oil Capacity4.8 qt
Engine OilSYNTHETIC · 5W-30
Engine Oil Capacity5.1 qt
Power Steering FluidUSE BMW PART NO. 82110148132 PENTOSIN CHF11S

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs22 ft-lbs
Crankshaft Pulley and/or Damper Bolts85 ft-lbs
Intake Manifold to Engine Bolts19 ft-lbs
Exhaust Manifold to Cylinder Head Bolts36 ft-lbs
Engine Oil Pan Drain Plug23.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs13 ft-lbs

Chassis torques

Lug Nuts88 ft-lbs
Front Wheel Hub134 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Curb Idle Speed (No Load)750 rpm
Curb Idle Speed (Secondary Under Load)750 rpm
Spark Plug ManufacturerBMW
Spark Plug GapNot adjustable in
Spark Plug Torque16.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity0.89-1.00 lbs
Standard BCI Group Number47
Standard BCI Cranking Performance480 cca

Service checks

Pressure Test----- psi
Radiator Cap Pressure Relief------ psi
Thermostat Opening Temperature------- °F
Engine Compression138-196 psi
Engine Oil Pressure3.63

Brakes

Torque Caliper to Bracket81 ft-lbs / 18-22 ft-lbs
Torque to Knuckle81-96 ft-lbs / 48 ft-lbs
Minimum Pad ThicknessFront: 0.118; Rear: 0.0118 in
Rotor Minimum Machining0.031 in
Rotor Discard at or Under0.748 in / 0.276 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
14 ft. lbs., Step 2: 7 ft. lbs., Step 3: 1304 ft. lbs
Engine Flywheel Bolts — tightening sequence 1 stages
16 ft. lbs., Step 2: 22 ft. lbs., Step 3: 906 ft. lbs
Main Bearings — tightening sequence 1 stages
122 ft. lbs., Step 2: 15022 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the spark plugs every 100,000 mi.

Every 100,000 miOxygen Sensor (replace) · Spark Plugs (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

Owner complaints about the 2003 Mini COOPER S - Hardtop dominate in one area — the steering, 254 of 537 reports (47%), well ahead of the next concern. That matters, because the steering are also the target of recall 15V-660 on this vehicle — so the single most useful check before buying or servicing one is confirming it was actually performed. 14 of the reports describe a crash and 48 a fire — a small share of the total, but worth weighing against the steering pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.

4
Open recalls
NHTSA campaigns
56
Service bulletins
Manufacturer communications
5
ODI investigations
Office of Defects Investigation
537
Owner complaints
14 involved a crash · 48 a fire

Owner complaints filed with NHTSA, by component

All 537 complaints on record, top 8 components.

Steering254
Power Train81
Visibility48
Engine & Engine Cooling22
Air Bags13
Electrical System11
Steering,Electrical System10
Tires8

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 4 campaigns on record for this vehicle.

15V660000Steering:Electric Power Assist SystemReported 15/10/2015

BMW of North America, LLC (BMW) is recalling certain model year 2002-2005 MINI Cooper and Cooper S vehicles and 2005 Cooper and Cooper S Convertible vehicles. The affected vehicles may experience temporary or permanent… Remedy: MINI will notify owners, and dealers will inspect the electro-hydraulic power steering system, replacing the components and wiring, as necessary, free of charge. Interim notices…

08E050000Exterior Lighting:HeadlightsReported 11/08/2008

K2 MOTOR IS RECALLING 1,921 AFTERMARKET HEADLAMPS OF VARIOUS MODELS SOLD FOR USE ON THE ABOVE LISTED VEHICLES. THESE HEADLAMPS ARE MISSING THE AMBER SIDE REFLEX REFLECTOR WHICH FAILS TO CONFORM WITH THE REQUIREMENTS OF… Remedy: K2 MOTOR WILL NOTIFY OWNERS AND OFFER A FULL REFUND. THE RECALL BEGAN ON DECEMEBER 17, 2008. OWNERS MAY CONTACT K2 MOTOR AT 1-909-839-2992.

Technical service bulletins NHTSA · verified

Showing 5 of 56 bulletins on record with NHTSA.

BulletinDateComponentSummary
M5116162023-11-02StructureCavity protection applied to underside of the hood is leaking out onto the wheel arch…
M2401122019-07-12Electrical SystemProgramming a Replacement EGS Module with ISTA/P. Programming a replacement electronic…
M6506102018-06-01EquipmentNAVIGATION SYSTEM HAS MISSING OR INCORRECT ROAD MAP DATA: The route guidance is…
M6506102018-05-01EquipmentNAVIGATION SYSTEM HAS MISSING OR INCORRECT ROAD MAP DATA: The route guidance is…
M1208172018-05-01Engine And Engine CoolingW10 ENGINE: EMS2K - COMPREHENSIVE COMPONENT OBD READINESS MONITOR NOT COMPLETED: An…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific COOPER S - Hardtop. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 2003 COOPER S - Hardtop R53 take?

4.8 qt of USE MINI SYNTHETIC 5W-30 MOTOR OIL, per the factory manual.

Does the 2003 COOPER S - Hardtop have open recalls?

NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the R53 get?

EPA figures are 22 city / 31 highway / 25 combined mpg.