Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2015 X6.
The 2015 BMW X6 is powered by an engine that requires 6.9 qt of oil in viscosities ranging from 0W‑30 to 5W‑30 and is paired with an eight‑speed automatic transmission delivering an EPA rating of 14 city, 19 highway and 16 combined mpg. Owner feedback records nine total complaints for this model year, with the engine cited as the leading concern and a single recall issued. Across the 2006‑2026 span the X6 peaked at 19 complaints in 2009 and bottomed out at one in 2006, placing the 2015 edition comfortably below the worst year but above the historic low. This positioning suggests the 2015 X6 benefits from a modest improvement in reliability relative to the model’s most problematic period, though it does not reach the near‑flawless record of its earliest iteration.
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 95R · 950 CCA battery, OE oil filter 11428683168. 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 | 11428683168 alt 11428637821 |
| Engine air filter | 13717850055 alt 13717638566 |
| Spark plug | 12120037582 alt 12120039634 |
| Battery | 61219364597 alt 61216806755 |
| Front wiper blades | 61610039697 |
| Thermostat | 11538632664 alt 11537598865 |
| Cabin air filter | 64319194098 alt 64119248294 |
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic (S8) |
| Overall length | 193.3 in |
| Overall width | 78.3 in |
| Overall height | 66.9 in |
| Wheelbase | 115.4 in |
| Curb weight | 4751 lb |
| Track (front / rear) | 64.6 / 66.9 in |
| Weight distribution (front / rear) | 49/51 |
| EPA city / highway / combined | 14 / 19 / 16 mpg |
| Drivetrain | All-Wheel Drive |
| Recommended fuel | Premium Gasoline |
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the X6 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.
| Year | Trim / engine | 0–60 | ¼ mile | HP | Drivetrain |
|---|---|---|---|---|---|
| 2015 | M 4.4L Twin-Turbo V8 | 3.70 sec | 12.10 sec | 567 hp | AWD |
| 2015 | M 4.4L Twin-Turbo V8 | 3.70 sec | 12.10 sec | 567 hp | AWD |
| 2015 | xDrive35i 3.0L Turbo I-6 | 5.70 sec | 14.30 sec | 300 hp | AWD |
| 2015 | xDrive35i 3.0L Turbo I-6 | 5.80 sec | 14.50 sec | 300 hp | AWD |
| 2017 | M 4.4L Twin-Turbo V8 | 3.80 sec | 12.30 sec | 567 hp | AWD |
| 2018 | xDrive35i (xLine) 3.0L Turbo I-6 | 5.80 sec | 14.40 sec | 300 hp | AWD |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 6.9 qt of 0W-30 / 0W-40 / 5W-30 engine oil, Standard: Castrol SAF-X0, Dynamic: right in the differential, DOT 4 brake fluid. Torque the oil drain plug to M12 Bolts: 18.0, M22 Bolts: 44.0 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 |
| Clutch Fluid | DOT 4 |
| Differential Gear Oil | Standard: Castrol SAF-X0, Dynamic: right |
| Engine Coolant | Ethylene Glycol |
| Engine Coolant Capacity | 11.5 |
| Engine Coolant | Ethylene Glycol |
| Engine Coolant Capacity | 18.0-18.5 |
| Engine Oil | 0W-30 · 0W-40 · 5W-30 · 5W-40 |
| Crankshaft Pulley and/or Damper Bolts | 30 ft-lbs |
| Intake Manifold to Engine Bolts | 11 |
| Engine Oil Pan Drain Plug | M12 Bolts: 18.0, M22 Bolts: 44.0 ft-lbs |
| Driveshaft Flange to Transmission | M8 Bolts: 33.0, M10: 58.0 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 |
| Spark Plug Manufacturer | BMW |
| Spark Plug Type | M14X1.25 |
| Spark Plug Gap | non-adjustable in |
| Spark Plug Torque | 20.0 - 24.3 ft-lbs |
| Refrigerant | R134a |
| Optional BCI Group Number | 95R |
| Optional BCI Cranking Performance | 950 cca |
| Standard BCI Group Number | 95R |
| Standard BCI Cranking Performance | 950 cca |
| Pressure Test | 21.7 psi |
| Radiator Cap Pressure Relief | 17-23 psi |
| Pressure Test | 29 psi |
| Radiator Cap Pressure Relief | 26-30 psi |
| Minimum Pad Thickness | Front: 0.145; Rear: 0.145 pads |
| Vented Rotor Minimum Thickness for Replacement | Stamped on rotor |
| Vented Rotor Minimum Thickness after Refinish | Stamped on rotor |
| Vented Rotor Maximum Scoring Depth | Stamped on rotor |
| Variation from Parallelism Thickness Variation | Stamped on rotor |
| Maximum Rotor Runout | Stamped on rotor |
Prep Do not reuse old bolts
| 1 | 22.0 ft. lbs. | 22 ft. lbs |
| 2 | 90 degrees | 90 degrees |
| 3 | Bolts 1-10 90 degrees | 90 degrees |
| 4 | 45 degrees | 45 degrees |
Prep Do not reuse old bolts
| 1 | 22.0 ft. lbs. | 22 ft. lbs |
| 2 | 90 degrees | 90 degrees |
| 3 | 90 degrees | 90 degrees |
Prep Do not reuse old bolts
| 1 | 22.0 ft. lbs. | 22 ft. lbs |
| 2 | 90 degrees | 90 degrees |
| 3 | 90 degrees | 90 degrees |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The 2015 BMW X6 represents a notable decrease in federal recalls and complaints compared to the 2008-2010 peak, where recalls reached as high as 12 per year. This model shows a stabilization in reliability with 9 complaints and 1 recall, figures that are identical to the 2016 model and significantly lower than the 19 complaints recorded in 2010. However, the volume of Technical Service Bulletins remains high at 249, continuing a trend of elevated TSBs seen from 2008 through 2016. Reported issues for 2015 are concentrated in the engine and powertrain, including one fire complaint and one crash complaint, though the data does not specify the root causes. Because it avoids the high-recall volatility of both the early generation and the 2020-2021 period, this is a good year to buy.
All 9 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 1 of 1 campaigns on record for this vehicle.
BMW of North America, LLC. (BMW) is recalling certain 2015-2019 X6 sDrive35i, X6 xDrive35i, X6 xDrive50i, and X6M vehicles equipped with rear seat lower anchor bars used in securing child restraint seats. The lower… Remedy: BMW will notify owners, and dealers will weld a reinforcing bracket to the lower anchor bars and the vehicle body, free of charge. Owner notification began January 17, 2020…
Showing 5 of 249 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| B010122 | 2026-01-21 | Engine | N63TU1 CLASS ACTION SETTLEMENT SVC CAMPAIGN: OIL CONSUMPTION DIAGNOSIS/REPAIR |
| B510819 | 2024-01-16 | Electrical System | The basic conditions for initializing the power windows are not met. |
| B611305 | 2024-01-11 | Electrical System | The electrical system of BMW vehicles has been subject to an ongoing development process… |
| B360121 | 2024-01-08 | Steering | At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when… |
| B612723 | 2023-12-08 | Electrical System | When using the Key Reader to retrieve CBS information from the customer key, no current… |
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.
6.9 qt of Gasoline engines: 0W-30, 0W-40, 5W-30, 5W-40 oil meeting BMW specification LL01.Diesel engines: 0W-30, 0W-40, 5W-30, 5W-40 oil meeting BMW specification LL04, per the factory manual.
NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 14 city / 19 highway / 16 combined mpg.