BMW X4
Data verified by Nick Marchenko, PhD
Maintaining your BMW X4 is crucial for optimal performance and longevity. The 2015–2022 BMW X4 offers a variety of engine options, including the B46B20O0 (2.0L I-4) with an oil capacity of 5.6 quarts and viscosity of 0W-20, and the powerful S58B30T0 (3.0L I-6) that requires 7.4 quarts of 0W-30 oil. Each engine has specific coolant requirements, with capacities ranging from 7.9 quarts for the N20B20 to 15.6 quarts for the B58B30M0, ensuring that your engine runs smoothly and efficiently.
Regular oil changes are essential, with intervals varying based on driving conditions and oil type. For most engines in the X4 lineup, using synthetic oil is recommended to maintain performance and protect engine components. Always refer to your owner’s manual for the exact specifications and maintenance schedule to keep your BMW X4 in peak condition.
BMW X4 Oil Capacity
| Engine | Oil Capacity | Viscosity | Coolant | Years |
|---|---|---|---|---|
| B46B20O0 B46 B46B The B46B20O0 engine has a displacement of 2.0L I-4. It features a bore and stroke of 82 mm x 94.6 mm. The power output is 251 hp with a torque of 258 lb-ft. It has a redline of 6500 RPM. The compression ratio is 11:1. The valve train is DOHC. | 5.6 qt | 0W-20 | 11.8 qt | 2022, 2021, 2020 |
| B58B30M0 B58 B58B30 The B58B30M0 engine has a displacement of 3.0L I-6. It features a bore and stroke of 82 mm x 94.6 mm. The power output is 335 hp with a torque of 369 lb-ft. It has a redline of 7000 RPM. The compression ratio is 11.0:1. The valve train is DOHC 4 valves x cyl. with Valvetronic and Double VANOS. | 6.9 qt | 0W-20 | 11.8 qt | 2020 |
| B58B30M0 B58 B58B30 The B58B30M0 engine has a displacement of 3.0L I-6. It features a bore and stroke of 82 mm x 94.6 mm. The power output is 335 hp with a torque of 369 lb-ft. It has a redline of 7000 RPM. The compression ratio is 11.0:1. The valve train is DOHC 4 valves x cyl. with Valvetronic and Double VANOS. | 6.9 qt | 0W-20 | 15.6 qt | 2019 |
| N20B20 N20 N20B The N20B20 engine has a displacement of 2.0L I-4. It features a bore and stroke of 84.0 mm x 90.1 mm. The power output is 154 hp with a torque of 177 lb-ft. It has a redline of 7000 RPM. The compression ratio is 11:1. The valve train is DOHC with VVT & VVL. | 5.1 qt | 0W-20 | 7.9 qt | 2018 |
| N20B20 N20 N20B The N20B20 engine has a displacement of 2.0L I-4. It features a bore and stroke of 84.0 mm x 90.1 mm. The power output is 154 hp with a torque of 177 lb-ft. It has a redline of 7000 RPM. The compression ratio is 11:1. The valve train is DOHC with VVT & VVL. | 5.8 qt | 0W-20 | 7.9 qt | 2017, 2016, 2015 |
| N55B30 N55 N55B The N55B30 engine has a displacement of 3.0L I-6. It features a bore and stroke of 84 mm x 89.6 mm. The power output is 315 hp with a torque of 332 lb-ft. It has a redline of 7000 RPM. The compression ratio is 10.2:1. The valve train is DOHC, with VVT & VVL. | 6.9 qt | 0W-30 | 10.1 qt | 2018, 2017, 2016, 2015 |
| S58B30T0 B58 S58 The S58B30T0 engine has a displacement of 3.0L I-6. It features a bore and stroke of 84 mm x 90 mm. The power output is 473 hp with a torque of 443 lb-ft. It has a redline of 7200 RPM. The compression ratio is 9.3:1. The valve train is DOHC w/ VVT. | 7.4 qt | 0W-30 | 10.8 qt | 2022, 2021, 2020 |
BMW X4 – Frequently Asked Questions
How many quarts of oil does the BMW X4 take?
The BMW X4 oil capacity varies by engine: B46B20O0: 5.6 qt; B58B30M0: 6.9 qt; B58B30M0: 6.9 qt; N20B20: 5.1 qt; N20B20: 5.8 qt; N55B30: 6.9 qt; S58B30T0: 7.4 qt. Always confirm the exact capacity for your specific engine before an oil change.
What type of oil does the BMW X4 use?
Oil viscosity depends on the engine: B46B20O0, B58B30M0, B58B30M0, N20B20, N20B20: 0W-20; N55B30, S58B30T0: 0W-30. Check your owner's manual for the correct spec for your specific engine.
What is the coolant capacity of the BMW X4?
The coolant capacity for the BMW X4 varies by engine: B46B20O0: 11.8 qt; B58B30M0: 11.8 qt; B58B30M0: 15.6 qt; N20B20: 7.9 qt; N20B20: 7.9 qt; N55B30: 10.1 qt; S58B30T0: 10.8 qt. Use the coolant specification listed in the owner's manual for your engine variant.
What type of oil does the BMW X4 use?
The BMW X4 typically uses synthetic oil, with specific viscosities depending on the engine. For example, the B46B20O0 engine requires 0W-20 oil, while the N55B30 engine uses 0W-30.
How many quarts of oil does the BMW X4 take?
The oil capacity varies by engine. For instance, the B46B20O0 engine takes 5.6 quarts, while the S58B30T0 engine requires 7.4 quarts.
How often should I change oil in a BMW X4?
Oil change intervals can vary based on driving conditions, but it's generally recommended to change the oil every 7,500 to 10,000 miles for synthetic oil. Always check the owner's manual for specific recommendations.
What is the coolant capacity of the BMW X4?
Coolant capacity varies by engine type. For example, the B46B20O0 engine has a coolant capacity of 11.8 quarts, while the N20B20 engine has a capacity of 7.9 quarts.
Does the BMW X4 need synthetic oil?
Yes, the BMW X4 is designed to run on synthetic oil, which provides better protection and performance compared to conventional oil, especially under high-stress conditions.
What happens if I use the wrong oil viscosity in my BMW X4?
Using the wrong oil viscosity can lead to inadequate lubrication, increased engine wear, and potential engine damage. It's crucial to adhere to the specified viscosity for your specific engine.
What is an oil life monitor and how does it work?
An oil life monitor is a system that tracks engine conditions and driving habits to determine when an oil change is needed. It uses various sensors to assess oil quality and alerts the driver when it's time for maintenance.
Can I mix synthetic and conventional oil?
While it's technically possible to mix synthetic and conventional oil, it's not recommended. Mixing can reduce the effectiveness of the oil and compromise engine protection.
How do I know if my BMW X4 has an oil leak?
Signs of an oil leak include visible oil spots under the vehicle, a drop in oil levels, or a burning oil smell. Regularly checking the oil level can help identify leaks early.
What causes excessive oil consumption?
Excessive oil consumption can be caused by worn engine components, such as piston rings or valve seals, or by using the wrong oil viscosity. Regular maintenance can help mitigate these issues.
Should I check my oil when the engine is hot or cold?
It's best to check your oil when the engine is warm but not hot. This allows the oil to circulate and provide a more accurate reading on the dipstick.
What is the difference between an oil change and a flush?
An oil change involves draining the old oil and replacing it with new oil, while an oil flush is a process that cleans the engine's internals by circulating a cleaning solution before replacing the oil. Flushing is typically not necessary for regular maintenance.