BMWM Roadster2005Overview/bmw/m-roadster/2005/base/
E85 platform

2005 BMW M Roadster

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2005 M Roadster.

The 2005 BMW M Roadster.

Quick specs

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

Engine oil capacity6.9 qtOEM · verified
Lug nut torque88 ft-lbsOEM · 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 11421741000. 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 filter11421741000 alt 11427512300
Engine air filter13721730449
Fuel filter16117197690
Spark plug12129071003 alt 12120037607
Battery61217591080
Front wiper blades61617079659 alt 61617054622
Thermostat11537509357 alt 11537509227
Cabin air filter64319195194

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length176.8 in
Overall width69.3 in
Overall height53.9 in
Wheelbase107.5 in
Curb weight3781 lb
Track (front / rear)57.9 / 58.3 in
Weight distribution (front / rear)52/48

Service quick specs OEM factory data

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

This engine DOT 4 brake fluid. Torque lug nuts to 88 ft-lbs, the oil drain plug to M12 Bolts: 18.0, M22 Bolts: 44.0 ft-lbs. The firing order is 1-5-3-6-2-4. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Automatic Transmission FluidSee stamp
Brake FluidDOT 4
Differential Gear Oil Capacity2.1 Pints
Engine CoolantETHYLENE GLYCOL
Engine OilSYNTHETIC
Engine Oil Capacity6.9 qt
Engine OilSYNTHETIC
Engine Oil Capacity6.9 qt

Engine torques

Crankshaft Pulley and/or Damper Bolts302 ft-lbs
Crankshaft Pulley and/or Damper Bolts302 ft-lbs
Engine Flywheel BoltsAT: 89 ft-lbs, MT: 78 ft-lbs
Engine Flywheel BoltsAT: 89 ft-lbs, MT: 76 ft-lbs
Engine Oil Pan Drain PlugM12 Bolts: 18.0, M22 Bolts: 44.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs17 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs17 ft-lbs

Chassis torques

Lug Nuts88 ft-lbs

Ignition

Cylinder Firing Order1-5-3-6-2-4
Ignition Coil Primary Resistance0.8 ohms
Spark Plug ManufacturerBMW

Battery & A/C

RefrigerantR134a
Oil GroupPAG
Oil Type46
Standard BCI Group Number47
Standard BCI Cranking Performance480 cca
Optional BCI Group Number94R Telematics
Optional BCI Cranking Performance640 Telematics cca
Standard BCI Group Number47

Service checks

Pressure Test29.0 psi
Radiator Cap Pressure Relief26-30 psi
Thermostat Opening Temperature207 °F
Pressure Test29.0 psi
Radiator Cap Pressure Relief26-30 psi
Thermostat Opening Temperature207 °F
Engine Compression146-159 PSI.

Brakes

Brake ApplicationWITH SOLID ROTOR / WITH VENTED ROTOR
Torque Caliper to Bracket18-22 ft-lbs
Torque to Knuckle49 ft-lbs / 81 ft-lbs
Minimum Pad ThicknessFront: 0.145; Rear: 0.145 pads
Brake ApplicationWITH SOLID ROTOR / WITH VENTED ROTOR
Rotor Minimum Machining0.031 in
Rotor Discard at or Under0.331 in / 0.685 in / 0.803 in
Rotor Finish0.5 - 3.5 μin

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
14 ft. lbs., Step 2: 15 ft. lbs., Step 3: 704 ft. lbs
Connecting Rod (Large End) Bearings — tightening sequence 1 stages
14 ft. lbs., Step 2: 15 ft. lbs., Step 3: 704 ft. lbs
Cylinder Head — tightening sequence 3 stages
129.5 ft. lbs.29.5 ft. lbs
290 degrees90 degrees
390
Cylinder Head — tightening sequence 3 stages
129.5 ft. lbs.29.5 ft. lbs
290.0 ft. lbs.90 ft. lbs
390.0 ft. lbs.90 ft. lbs
Main Bearings — tightening sequence 1 stages
115 ft. lbs., Step 2: 7015 ft. lbs
Main Bearings — tightening sequence 1 stages
115 ft. lbs., Step 2: 7015 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)

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 M Roadster. 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 2005 M Roadster take?

6.9 qt of USE ONLY BMW HIGH PERFORMANCE SYNTHETIC MOTOR OIL BMW PART NO. 07510009420 OR EQUIVALENT, per the factory manual.