BMW X3 2021 20i (G01)

BMW X3 2021 2.0 petrol description

BMW X3 2021 20i has been produced from 2021 to 2024. It has four-cylinder petrol engine with displacement of 2.0 litres, which produces power of 184 horsepower on 5000 rpm and torque 300 Nm (Newton metres) on 1350 revolutions per minute. It is an MHEV (Mild Hybrid) hybrid vehicle, with electric motor that assists the internal combustion engine, however, the car cannot run on electric power alone, and the battery is charged while driving (external charging is not available).

This 4-cylinder 16-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system and MHI TD04LR6W turbine. The engine meets the Euro 6 emissions standard. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 200 000 and 340 000 kilometres. It is important to remember that engine life is highly dependent on regular maintenance and the quality of the oils and fuels used.
More engine specs 
Compared to their predecessors, B48 engines are more robust and less prone to major failures. They are well-suited for chip tuning, which can noticeably enhance  ...  This BMW X3 2.0 engine oil type is 0W-30, 5W-30, 0W-20 and oil capacity is 5.3 litres.

BMW X3 2021 20i has all four wheel drive (AWD, 4x4) and automatic gearbox with 8 gears.
BMW X3 2021 20i accelerates to speed 100 kilometres per hour in 8.4 seconds. The maximum speed of this car is 215 km/h.

In combined cycle (city and motorway), the BMW X3 2021 20i fuel consumption is 8.4 litres per 100km (11.9 km/l). Fuel tank capacity is 65 litres or 17.17 gallons, which gives a mileage up to 760 kilometers without refueling in urban cycle.
According to user reviews, the real everyday fuel consumption of this BMW is in line with, and sometimes even lower than, the manufacturer's stated combined consumption. More - Real BMW X3 fuel consumption.

With the same engine there is also BMW X3 version with rear wheel drive and automatic gearbox (BMW X3 2021 2.0 20i AT) available, which manufacturer's fuel consumption is lower by 1.1 litres per 100 km or 13 % - 7.3 litres per 100 km.
BMW X3 2.0 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
BMW X3 2021

BMW X3 2021 20i technical data

Model: BMW X3 20i
Body style: Crossover / SUV
Production period: 2021. January ... 2024. December 
Engine: 1998 cm3 Petrol, 4 cylinders CO2 emissions: no data
Power: 184 HP ON 5000 RPM Torque: 300 NM ON 1350 RPM
Gearbox: Automatic gearbox (8 gears) Drive type: All wheel drive (AWD, 4x4)
Top speed: 215 km/h Acceleration 0-100 km/h: 8.4 seconds
Fuel consumption (l/100km): 8.4 (combined)
Battery capacity: 0.4 kWh (total)
Real fuel consumption: 8.9 l/100km (26.4 MPG) by user reviews from various sources
Fuel tank capacity: 65 litres (17.2 gallons)
Car dimensions: 4.71m (length) 1.90m (width) 1.68m (height)
Turning diameter: 12 meters
Ground clearance: 204 mm (approximate, with standard suspension, unladen vehicle)
Seats: 5 seats
Trunk capacity: 550 litres
Trunk max capacity: 1600 litres (with rear seats folded down, if possible)
Gross weight: 2410 kg Net weight: 1800 kg Load capacity: 610 kg

BMW X3 2021 20i engine B48B20M1

Engine reliability and common problems:

Compared to their predecessors, B48 engines are more robust and less prone to major failures. They are well-suited for chip tuning, which can noticeably enhance performance and responsiveness without compromising reliability.

Oil consumption, while significantly improved over earlier engines, may still appear closer to 100,000 km, often due to hardened valve stem seals. Another common issue is unstable idle or fault codes related to a lean mixture, typically caused by a faulty fuel tank ventilation valve — a relatively inexpensive part.

The cooling system is a known weak point. Coolant leaks may result from seal failures, cracks, thermostat or pump malfunctions, or general contamination. Symptoms include engine overheating, white smoke from the exhaust, poor coolant quality, visible leaks, warnings on the dashboard, and elevated temperature readings.

These engines are sensitive to fuel quality and oil change intervals. Cutting corners on maintenance often leads to costly repairs or even engine replacement.

At higher mileage, weaknesses may also include chain tensioners, the VANOS and Valvetronic systems, high-pressure fuel pumps, throttle actuators, and the turbocharger.

Overall, the B48 is a reliable and practical engine without inherent flaws. The mentioned issues tend to appear only under certain conditions and are not universal across all units.
Overall, this engine can last around 200,000 to 340,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.
The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement 1998 cm3
Number of cylinders 4
Bore (cylinder diameter) 82 mm
Stroke length (piston move) 94.6 mm
Compression ratio 11 : 1
Camshaft drive Timing chain

Chain motors are considered more reliable, chain replacement usually is required less often than a timing belt, but they are often louder and vibrate more.

More service info
Fuel system Injection
BMW X3 2021 20i oil type 0W-30, 5W-30, 0W-20
Oil capacity 5.3 litres (5.6 quarts) More service info
Coolant capacity 12.6 litres (13.3 quarts)
Power 184 - 197 HP ON 5000 RPM
Torque 300 - 320 NM ON 1350 RPM
Start of production (year) 2014
Duration of production 12 years
Engine also used on BMW 3 sērija BMW Z4 BMW 4 sērija BMW X4

Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design.

All BMW X3 crossover [2021 - 2024] modifications

Modification Engine Power Consumption Drive type
BMW X3 2021 1.6 20i 1.6 Petrol 170 HP - Rear wheel
BMW X3 2021 2.0 20i

Most fuel efficient petrol version

2.0 Petrol 184 HP 7.3 l/100km Rear wheel
BMW X3 2021 2.0 20i 4x4 2.0 Petrol
MHEV hybrid engine
184 HP 8.4 l/100km All wheel
BMW X3 2021 2.0 30i 4x4 2.0 Petrol
MHEV hybrid engine
245 HP 9.8 l/100km All wheel
BMW X3 2021 2.0 30i 2.0 Petrol 248 HP 9.4 l/100km Rear wheel
BMW X3 2021 2.0 18d 2.0 Diesel
MHEV hybrid engine
150 HP - Rear wheel
BMW X3 2021 2.0 20d 4x4

Most fuel efficient diesel version

2.0 Diesel
MHEV hybrid engine
190 HP 6.5 l/100km All wheel
BMW X3 2021 2.0 30e 4x4 2.0 Hybrid
PHEV
184 HP 2.6 l/100km All wheel
BMW X3 2021 3.0 M40i 4x4

Most dynamic version - 100 km/h in 4.9 seconds

3.0 Petrol
MHEV hybrid engine
360 HP 9.5 l/100km All wheel
BMW X3 2021 3.0 30d 4x4 3.0 Diesel
MHEV hybrid engine
286 HP 7.0 l/100km All wheel
BMW X3 2021 3.0 M40d 4x4

Most dynamic version - 100 km/h in 4.9 seconds

3.0 Diesel
MHEV hybrid engine
340 HP 7.3 l/100km All wheel
BMW X3 2021 reviews
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