Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2018 X2.
The 2018 BMW X2, paired with an 8-speed automatic transmission, returned EPA fuel economy ratings of 23 mpg city, 32 mpg highway, and 26 mpg combined. From a reliability standpoint, the model year has accumulated 14 owner complaints—predominantly clustered in the exterior lighting category—alongside a single recall, the highest tally across the X2's 2018–2026 complaint history and a sharp contrast to the lone complaint filed against the 2022 model year. That steep drop from the start of the documented period to mid-cycle suggests early-production teething issues rather than a systemic defect, a distinction researchers should weigh when evaluating the X2's dependability trajectory.
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 · 800 CCA battery, OE oil filter 11425B3A1A5. 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 | 11425B3A1A5 alt 11428570590 |
| Engine air filter | 13718513944 |
| Spark plug | 12120040551 |
| Battery | 61216805461 alt 61217555719 |
| Front wiper blades | 61612455085 |
| Cabin air filter | 64316835406 alt 64316835405 |
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic (S8) |
| Overall length | 171.7 in |
| Overall width | 71.7 in |
| Overall height | 60.2 in |
| Wheelbase | 105.1 in |
| Curb weight | 3499 lb |
| Track (front / rear) | 61.4 / 61.4 in |
| Weight distribution (front / rear) | 57/43 |
| EPA city / highway / combined | 23 / 32 / 26 mpg |
| Drivetrain | Front-Wheel Drive |
| Recommended fuel | Premium Gasoline |
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the X2 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 |
|---|---|---|---|---|---|
| 2018 | xDrive28i (M Sport X) 2.0L Turbo I-4 | 6.30 sec | 14.90 sec | 228 hp | AWD |
| 2018 | xDrive28i (M Sport X) 2.0L Turbo I-4 | 6.30 sec | 14.80 sec | 228 hp | AWD |
| 2018 | sDrive28i (M Sport X) 2.0L Turbo I-4 | 6.40 sec | 15.00 sec | 228 hp | FWD |
| 2018 | xDrive28i (M Sport X) 2.0L Turbo I-4 | 6.40 sec | 15.00 sec | 228 hp | AWD |
| 2018 | xDrive28i (M Sport X) 2.0L Turbo I-4 | 6.80 sec | 15.20 sec | 228 hp | AWD |
| 2019 | M35i 2.0L Turbo I-4 | 4.50 sec | 13.10 sec | 302 hp | AWD |
| 2019 | M35i 2.0L Turbo I-4 | 4.60 sec | 13.30 sec | 302 hp | AWD |
Capacities, torques and tune-up values from the factory service manual.
This engine DOT 4 brake fluid. Torque lug nuts to 103 ft-lbs, the oil drain plug to 20.0 ft-lbs. 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 |
| Crankshaft Position (CKP) Sensor Bolt(s) | 7.4 ft-lbs |
| Camshaft Position (CMP) Sensor Bolt(s) | 3.0 ft-lbs |
| Camshaft Bearing/Carrier Cap Bolts or Studs | 14.0 ft-lbs |
| Oxygen (O2S) Sensor Bolt(s) | 35.0 ft-lbs |
| Knock Sense (KS) Bolt(s) | 18.0 ft-lbs |
| Nitrogen Oxide (NOX) Sensor Bolt(s) | 37.0 ft-lbs |
| Oil Pan to Block Bolts | 9.0 ft-lbs |
| Engine Oil Pan Drain Plug | 20.0 ft-lbs |
| Lug Nuts | 103 ft-lbs |
| Standard BCI Group Number | 94R |
| Standard BCI Cranking Performance | 800 cca |
| RPM | 725.0 |
| RPM | 725.0 |
| 1 | 14.0 ft. lbs. | 14 ft. lbs |
| 2 | 70 degrees | 70 degrees |
| 3 | 70 | |
Prep Do not reuse old bolts. Use new bolts coated with clean engine oil. Tighten all bolts to finger tight then continue on with the following procedure.
| 1 | 22.0 ft. lbs. | 22 ft. lbs |
| 2 | 90 degrees. | 90 degrees |
| 3 | 180 degrees | 180 degrees |
| 1 | 18.0 ft. lbs. | 18 ft. lbs |
| 2 | 60 degrees | 60 degrees |
| 3 | 60 | |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The 2018 BMW X2 records the highest complaint count (14) across the nine‑year span, while its recall and investigation totals (1 each) sit near the lower end of the series. From 2019 onward, complaints drop sharply to single‑digit levels and remain low through 2026, and the number of recalls stays at one per year until a modest rise to two‑three recalls beginning in 2024. Technical Service Bulletins follow a clear downward trend from 108 in 2018 to a low of 12 in 2026, indicating that many early‑year issues were addressed over time. The 2018 model’s top complaint areas—exterior lighting, “unknown or other,” engine, and electrical system—are not reflected in later years, suggesting those problems were largely resolved in subsequent model updates. **Takeaway:** although 2018 shows a spike in complaints, its recall and investigation exposure is modest, and later years demonstrate a smoother reliability profile; the 2018 X2 remains a viable purchase but buyers should pay particular attention to lighting and electrical components.
All 14 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 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft… Remedy: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at…
Showing 5 of 108 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| B010224 | 2026-05-05 | Engine | The EVAP systems purge (vent) valve limited warranty for defects in materials or… |
| B011624 | 2025-01-16 | Electrical System | The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in… |
| B011824 | 2024-12-31 | Electrical System | The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in… |
| B010224 | 2024-05-01 | Engine | EVAP SYSTEM PURGE (VENT) VALVE EXT LTD WTY (ELW) 15/150 |
| B611124 | 2024-03-25 | Electrical System | After performing a BMW Remote Software Upgrade (RSU), the functionality of the Comfort… |
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.
NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 23 city / 32 highway / 26 combined mpg.