Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 X5 4.6IS.
The 2003 BMW X5 4.6IS is a variant within the E53-platform SUV lineup, distinguished by its 4.6IS trim designation and serving as a reference point for the model's sport-flavored end of the range. Its mechanical package pairs a 5-speed automatic transmission with an engine whose servicing calls for an 8.0-quart oil capacity accepting 15W-40, 10W-40, or 10W-30 API SJ viscosity grades, while EPA fuel-economy ratings of 12 city, 16 highway, and 14 combined mpg set realistic expectations for the class. Within the X5's reliability arc, this model year draws 114 owner complaints led by engine and engine cooling concerns alongside five recalls, positioning it as a flagged, problem-prone year rather than a steady one—a useful calibration for researchers weighing long-term ownership or maintenance implications.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses a BCI 94R · 640 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.
| Engine oil filter | 11421741000 alt 11427510717 |
| Engine air filter | 13721736675 alt 13721702908 |
| Fuel filter | 16126754016 alt 13321709535 |
| Spark plug | 12120037607 alt 12129071003 |
| Battery | 61218381749 alt 61218381762 |
| Front wiper blades | 61617161613 alt 61610032743 |
| Thermostat | 11511705408 alt 11537509357 |
| Cabin air filter | 64318409043 alt 64318409044 |
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic 5-spd |
| Overall length | 183.9 in |
| Overall width | 73.6 in |
| Overall height | 67.3 in |
| Wheelbase | 111 in |
| Curb weight | 4824 lb |
| Track (front / rear) | 61.4 / 61.4 in |
| Weight distribution (front / rear) | 48/52 |
| EPA city / highway / combined | 12 / 16 / 14 mpg |
| Drivetrain | 4-Wheel or All-Wheel Drive |
| Recommended fuel | Premium Gasoline |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 8.0 qt of 15W-40 / 10W-40 / 10W-30 API SJ engine oil, DOT 4 brake fluid. Torque lug nuts to 103 ft-lbs. The firing order is 1-5-4-8-6-3-7-2. 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.
| Brake Fluid | DOT 4 |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | 15W-40 · API · 10W-40 · 10W-30 · 5W-30 |
| Engine Oil Capacity | 8.0 qt |
| Engine Oil | 15W-40 · API · 10W-40 · 10W-30 · 5W-30 |
| Engine Oil Capacity | 8.5 qt |
| Engine Oil | 15W-40 · API · 10W-40 · 10W-30 · 5W-30 |
| Engine Oil Capacity | 8.5 qt |
| Crankshaft Pulley and/or Damper Bolts | 302 ft-lbs |
| Lug Nuts | 103 ft-lbs |
| Transfer Case Fill Plug | 24.0 ft-lbs |
| Transfer Case Drain Plug | 24.0 ft-lbs |
| Front Wheel Hub | 310 ft-lbs |
| Rear Wheel Hub | 310 ft-lbs |
| Cylinder Firing Order | 1-5-3-6-2-4 |
| Cylinder Firing Order | 1-5-4-8-6-3-7-2 |
| Ignition Coil Primary Resistance | 0.8 ohms |
| Spark Plug Manufacturer | BMW |
| Refrigerant | R134a |
| Refrigerant Capacity | 0.95-1.75 lbs |
| Oil Group | PAG |
| Oil Type | 46 |
| Standard BCI Group Number | 94R |
| Standard BCI Cranking Performance | 640 cca |
| Standard BCI Group Number | 49 |
| Standard BCI Cranking Performance | 740 cca |
| Pressure Test | 21.7 psi |
| Radiator Cap Pressure Relief | 28-32 psi |
| Thermostat Opening Temperature | 207 °F |
| Pressure Test | 21.7 psi |
| Radiator Cap Pressure Relief | 28-32 psi |
| Thermostat Opening Temperature | 185 °F |
| Pressure Test | 21.7 psi |
| Radiator Cap Pressure Relief | 28-32 psi |
| Other | E53 |
| Torque Caliper to Bracket | 18-22 ft-lbs |
| Torque to Knuckle | 81 ft-lbs |
| Other | E53 |
| Torque to Knuckle | 81 ft-lbs |
| Other | E53 |
| Torque Caliper to Bracket | 18-22 ft-lbs |
| Torque to Knuckle | 81 ft-lbs |
| 1 | 15 ft. lbs., Step 2: 90 | 15 ft. lbs |
| 1 | 75 ft. lbs., step 2: 60 degrees, step 3: 60 degrees, step 4: 30 | 75 ft. lbs |
| 1 | 73 ft. lbs., step 2: 60 degrees, step 3: 60 degrees, step 4: 30 | 73 ft. lbs |
| 1 | 22 ft. lbs. | 22 ft. lbs |
| 2 | 80 degrees | 80 degrees |
| 3 | 80 | |
| 1 | 22 ft. lbs. | 22 ft. lbs |
| 2 | 80 degrees | 80 degrees |
| 3 | 80 | |
| 1 | 29.5 ft. lbs. | 29.5 ft. lbs |
| 2 | 90.0 ft. lbs. | 90 ft. lbs |
| 3 | 90.0 ft. lbs. | 90 ft. lbs |
Normal service, condensed from the factory interval matrix.
Under the factory schedule, replace the spark plugs every 100,000 mi.
| Every 100,000 mi | Oxygen Sensor (replace) · Spark Plugs (replace) · Transmission Assembly (drain & refill) |
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 BMW X5 4.6IS lead in one area — the engine & engine cooling, 22 of 114 reports (19%), well ahead of the next concern. None of this vehicle's 3 recall campaigns target the engine & engine cooling, so those reports read as owner-reported wear-and-tear rather than an acknowledged defect. 5 of the reports describe a crash and 14 a fire — a small share of the total, but worth weighing against the engine & engine cooling 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.
All 114 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 3 campaigns on record for this vehicle.
BMW of North America, LLC (BMW) is recalling certain 2000-2002 BMW 320i, 323i, 325i, 325xi, 330i, 330xi, 323Ci, 325Ci, 330Ci, M3, 323iT, 325iT and 325xiT vehicles, 2001-2002 525i, 530i, 540i, M5, 525iT and 540iT… Remedy: Owners are advised not to drive their vehicles until the vehicle has been remedied. BMW will notify owners, and dealers will inspect the driver side air bag module, replacing it…
BMW of North America, LLC (BMW) is recalling certain model year 2002-2005 325i, 325xi, 330i, and 330xi Sedans, and 325xi and 325i Sportswagons, 2002-2006 330Ci, 325Ci, and M3 Convertibles and 325i, 330i, and M3 Coupes… Remedy: Owners are advised not to drive their vehicles until the vehicle has been remedied. BMW will notify owners, and dealers will replace the front driver air bag module, free of…
Showing 5 of 100 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| B510819 | 2024-01-16 | Electrical System | The basic conditions for initializing the power windows are not met. |
| B160623 | 2023-12-20 | Engine And Engine Cooling | Engine will crank but not start. There is no communication with the integrated fuel… |
| B653423 | 2023-11-22 | Electrical System | Customers may state that the alarm system (DWA) is not active after locking their… |
| B522319 | 2023-10-20 | Seats | Second seat row blocking access to third seat row, program seat modules. Visible… |
| B660523 | 2023-10-19 | Vehicle Speed Control | Various functions of the camera-based driver assistance systems (ADCAM system) can lead… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
8.0 qt of HIGH PERFORMANCE MINERAL OILS: ABOVE 5 degrees F: 15W-40 API SJ, SL OR SM, -5 degreesF TO 68 degrees F: 10W-40 API SJ, SL OR SM, 5 degreesF TO 50 degrees F: 10W-30 API SJ, SL OR SM, BELOW 50 degrees F: 5W-30 API SJ, SL OR SM, BELOW 32 degrees F:, per the factory manual.
NHTSA lists 5 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 12 city / 16 highway / 14 combined mpg.