What are the disadvantages of a double ball joint suspension?

Where is the spare tire for the BMW 3 Series?

BMW vehicles typically do not come with a spare tire. Here is the relevant information: Reasons why BMW does not have a spare tire: BMW cars do not have a spare tire because most BMW models currently use run-flat tires. Run-flat tires, also known as zero-pressure tires, allow the vehicle to continue driving even when the tire is punctured. Even at zero tire pressure, the car can still travel at least 80 kilometers, provided the speed is kept below 80 km/h. Introduction to BMW models: Taking the BMW 5 Series as an example, this model is a large and mid-size sedan under the BMW brand. For instance, the 2021 525Li Luxury Package version has a body length, width, and height of 5106mm, 1868mm, and 1500mm respectively, with a wheelbase of 3105mm, and a body structure of a 4-door, 5-seat sedan. In terms of power, the 2021 525Li Luxury Package version is equipped with a 2.0T inline 4-cylinder engine, delivering a maximum power of 135kW and a maximum torque of 290Nm, paired with an 8-speed automatic transmission.

20

2

Share

Why Do Modern Diesel Vehicles Require Urea?

Modern diesel vehicles require urea to reduce exhaust emissions and protect the atmospheric environment. Urea is used to convert harmful nitrogen oxides in the exhaust into nitrogen and water. The exhaust emitted by diesel engines significantly pollutes the atmosphere, and as environmental regulations become increasingly stringent, exhaust treatment systems have been introduced to ensure compliance. Automotive urea is a liquid used in Selective Catalytic Reduction (SCR) technology to reduce nitrogen oxide pollution in diesel exhaust. It consists of 32.5% high-purity urea and 67.5% deionized water.

11

4

Share

What does Tiptronic mean?

Tiptronic refers to a car that has both manual and automatic gear functions. The automatic transmission includes a Tiptronic transmission, which is an automatic transmission that can shift gears on its own. This technology was developed to improve the fuel efficiency and handling of automatic transmissions, allowing the driver to regain control over the shift timing that is usually decided by the computer, thereby enhancing driving operability and enriching the driver's experience. Tiptronic can select the appropriate gear according to road conditions, allowing the engine to operate under optimal conditions. For cars frequently navigating complex road conditions, it enables the driver to shift gears without stepping on the clutch, thus reducing the driver's workload.

14

2

Share

What Causes the Ticking Sound While Driving?

The reasons for a ticking sound while driving are: 1. The use of low-quality engine oil, failure to change the oil for an extended period, or insufficient oil can increase friction between the valves and guides, as well as hydraulic lifters, making various engine noises more pronounced; 2. Engine-related issues: Excessive valve clearance or wear can lead to metal knocking sounds; 3. Tire-related issues: When driving on highways, if you open the windows and clearly hear a ticking sound from the vehicle, it might be due to stones lodged in the tires. Ensure safety and pull over to the right to inspect the tires.

6

5

Share

What type of engine oil is suitable for the Civic?

The Civic uses 0W20 and 0W30 engine oil. Engine oil serves multiple functions such as lubrication and friction reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, as well as shock absorption. Engine oil consists of two main components: base oil and additives. The base oil is the primary constituent of lubricants, determining their fundamental properties, while additives compensate for and enhance the shortcomings of the base oil, providing additional performance characteristics. The Civic offers a variety of models to cater to the preferences of consumers in different countries, including three-door hatchbacks, hardtop coupes, hybrid versions, and five-door sedan versions. The dimensions of the Civic are 4649mm in length, 1800mm in width, and 1416mm in height, with a wheelbase of 2700mm.

20

3

Share

How to Open the Fuel Tank Cap of the Sylphy?

The method to open the fuel tank cap of the Sylphy is: The fuel tank cap switch is located at the bottom left of the instrument panel, near the driver's knee when seated. Gently pull the switch to open it. The Sylphy is a compact sedan with a maximum engine horsepower of 135 HP and a maximum torque of 159 Nm, equipped with a CVT continuously variable transmission. The Sylphy's dimensions are 4641mm in length, 1815mm in width, and 1450mm in height, with a wheelbase of 2712mm. Its top speed is 186 km/h, and the fuel tank capacity is 47L. The car features front-wheel drive, with a front McPherson independent suspension and a rear torsion beam non-independent suspension.

4

Share

What are the disadvantages of a double ball joint suspension?

Where is the spare tire for the BMW 3 Series?

Why Do Modern Diesel Vehicles Require Urea?

What does Tiptronic mean?

What Causes the Ticking Sound While Driving?

What type of engine oil is suitable for the Civic?

How to Open the Fuel Tank Cap of the Sylphy?

What Causes an Air Pump to Make Noise Without Pumping Air?

Which Country Does Roewe Belong To?

What should be paid attention to when driving at night?

What to Do When the Steering Wheel Pulls to One Side?