MiniCOOPER - ONE Hardtop2006R50/mini/cooper-one-hardtop/2006/r50/

2006 Mini COOPER - ONE Hardtop — R50

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2006 COOPER - ONE Hardtop R50.

Body PASSENGER CAREngine R50Transmission Automatic (variable gear ratios)

The 2006 Mini Cooper One Hardtop R50 is a passenger‑car built on the R50 platform and powered by the R50 engine. It comes with an automatic transmission featuring variable gear ratios, holds 4.8 qt of 5W‑30 oil, and returns an EPA‑rated 23/31/26 mpg. Owner reports total 413 complaints, with air‑bag issues leading the list, and the model was subject to a single recall. Those figures place this model year as a relatively high‑complaint entry in the Mini lineup, suggesting prospective buyers should pay particular attention to the air‑bag system and recall status.

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 economy23/31/26 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 11427509211
Engine air filter13721477840 alt 13717558382
Fuel filter16146757196 alt 16146765122
Battery61218377139
Front wiper blades61610028137
Thermostat11537596787 alt 11537512733
Cabin air filter64319257505

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (variable gear ratios)

Dimensions & weight NHTSA vPIC

Overall length143.3 in
Overall width66.5 in
Overall height55.9 in
Wheelbase97.2 in
Curb weight2701 lb
Track (front / rear)57.5 / 57.5 in
Weight distribution (front / rear)61/39

Ratings & economy EPA / vPIC

EPA city / highway / combined23 / 31 / 26 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, DOT 4 brake fluid. Torque lug nuts to 88 ft-lbs, the oil drain plug to 23.0 ft-lbs.

Lubricants & capacities

Automatic Transmission FluidWith CVT: BMW part number 83220136376
Brake FluidDOT 4
Engine CoolantETHYLENE GLYCOL
Engine OilSYNTHETIC · 5W-30
Engine Oil Capacity4.8 qt
Engine OilSYNTHETIC · 5W-30
Engine Oil Capacity5.1 qt
Manual Transmission Fluid Capacity3.6-4.0

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

Ignition

Curb Idle Speed (No Load)770 rpm
Curb Idle Speed Variance (No Load)50 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 Compression167-247 PSI.

Brakes

Torque Caliper to Bracket22-25 ft-lbs
Torque to Knuckle81 ft-lbs / 48 ft-lbs
Minimum Pad ThicknessFront: 0.118; Rear: 0.0118 in
Rotor Nominal Thickness From0.866 in / 0.394 in
Rotor Nominal Thickness To0.866 in / 0.394 in
Rotor Minimum Machining0.031 in
Rotor Discard at or Under0.803 in / 0.331 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) · Transmission Assembly (drain & refill)

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 2006 Mini COOPER - ONE Hardtop dominate in one area — the air bags, 145 of 413 reports (35%), well ahead of the next concern. That matters, because the air bags are also the target of recall 15V-205 on this vehicle — so the single most useful check before buying or servicing one is confirming it was actually performed. 13 of the reports describe a crash and 17 a fire — a small share of the total, but worth weighing against the air bags 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.

1
Open recalls
NHTSA campaigns
56
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
413
Owner complaints
13 involved a crash · 17 a fire

Owner complaints filed with NHTSA, by component

All 413 complaints on record, top 8 components.

Air Bags145
Steering93
Power Train30
Air Bags,Seats18
Engine & Engine Cooling16
Visibility10
Electrical System,Air Bags,Seats8
Electrical System8

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

15V205000Air Bags:FrontalReported 06/04/2015

BMW of North America, LLC (BMW) is recalling certain model year 2005-2006 MINI Cooper and Cooper S vehicles manufactured January 5, 2005, to November 28, 2006, and 2005-2008 MINI Cooper Convertible and Cooper S… Remedy: MINI will notify owners, and dealers will replace the front passenger seat occupant detection mat, free of charge. The recall began on October 12, 2015. Owners may contact MINI…

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…
M6106072023-10-25Electrical SystemMINI electrical systems have continued to develop over the past few years. As a result…
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…

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 - ONE 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 2006 COOPER - ONE Hardtop R50 take?

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

Does the 2006 COOPER - ONE Hardtop have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the R50 get?

EPA figures are 23 city / 31 highway / 26 combined mpg.