How to Replace the Key Battery for BMW 320?

Is an SUV fuel consumption of 11 liters per 100 km considered high?

An SUV fuel consumption of 11 liters per 100 km is not considered high. Normal fuel consumption for different vehicle types: Compact cars typically consume 6-10 liters per 100 km, midsize cars consume 8-12 liters, while large cars consume 12-18 liters. Therefore, an SUV or high-displacement vehicle consuming 11 liters falls within the normal range. Reasons for higher fuel consumption: If tire pressure is insufficient, it increases fuel consumption; severely worn tires that frequently slip also lead to increased fuel usage; when there's significant engine carbon buildup in a short period, it can also cause higher vehicle fuel consumption.

17

1

Share

What is the maximum size of a puncture that can be repaired?

Tires can repair holes up to 6mm deep. If the puncture on the tread exceeds 6mm in depth, it is unnecessary to repair the tire, and a new tire should be replaced instead. Below is the relevant information: 1. Automobile tires: Automobile tires are one of the important components of a car, directly in contact with the road surface. Together with the car suspension, they help to cushion the impact during driving, ensuring good ride comfort and smooth driving performance. They also ensure good adhesion between the wheels and the road surface, improving the car's traction, braking, and off-road capabilities. 2. Classification: By structure, they can be classified into radial tires and bias tires; by tread pattern, they can be classified into ribbed tires, transverse pattern tires, mixed pattern tires, and off-road pattern tires.

19

0

Share

What Causes the Dashboard to Display an Airbag Malfunction?

The dashboard displays an airbag malfunction due to damage to the airbag cover, support ring, airbag, or airbag module. Here is a detailed introduction to the automotive airbag system: 1. Function: During a car collision, the airbag distributes the impact force evenly across the head and chest, preventing direct contact between the passenger's body and the car body, thereby reducing the likelihood of injury. In vehicles equipped with airbags, frontal collisions can reduce passenger injuries by up to 64%, even when 80% of passengers are not wearing seat belts. 2. Supplementary Safety Device: The automotive airbag system is a supplementary safety system, typically serving as an auxiliary safety device alongside seat belts. Airbags are designed to be used in conjunction with seat belts.

3

2

Share

What to Do If the Car Fan Keeps Running Without Overheating?

It may be due to a malfunction in the cooling fan assembly or the cooling fan wiring, which needs to be addressed. Below are the relevant details: 1. Cooling Fan: The cooling fan is a crucial component of the vehicle's cooling system. The performance of the fan directly affects the engine's heat dissipation efficiency, which in turn impacts the engine's performance. If the fan is improperly selected, it can lead to insufficient or excessive cooling of the engine, resulting in a deteriorated working environment and affecting the engine's performance and lifespan. 2. Coolant: Coolant, also known as antifreeze coolant, is designed to prevent freezing. It prevents the coolant from freezing in cold weather, which could otherwise cause the radiator to crack or the engine cylinder block to freeze.

16

5

Share

What Causes the Wipers to Keep Running?

The wipers won't stop due to a short circuit in the wiper motor. Here are some precautions for using wipers: 1. Maintain cleanliness: When there are streak marks on the glass surface, the wiper blades may be dirty. You can sprinkle alcohol on a towel and wipe the surface of the wiper blades. Cleaning them once a month can improve the wipers' performance. 2. Check the rubber: If the wipers make unusual noises while operating, the rubber blades may be aging or cracked. If the wear is not severe, you can use sandpaper to smooth out rough spots on the surface. 3. Avoid sunlight: Park the car in a shaded area, such as a garage, where it won't be exposed to direct sunlight. Summer is particularly harsh on cars. Wiper blades are rubber products, and sunlight will only accelerate their aging. 4. Refill fluid: Avoid simply adding water to the windshield washer reservoir, as this can harm the windshield and wiper blades over time. To ensure the longevity of the components, always use proper windshield washer fluid. Refill the washer fluid promptly to be prepared for unexpected needs.

11

2

Share

What is the maximum wading depth of the Defender?

According to official specifications, the Defender has a maximum wading depth of 90 cm. Common tire specifications include 275/45R22 and 255/60R20, with body lengths of 5018mm and 4583mm available. The vehicle is equipped with an 8-speed automatic transmission (AT) and comes in both 5-door 5-seat SUV and 3-door 5-seat SUV configurations. Maximum wading depth refers to the deepest water level a vehicle can safely pass through. Generally, sedans have a maximum wading depth not exceeding 30 cm, while SUVs can handle deeper water but should ideally not exceed 50 cm. Among common models: GAC Trumpchi GS8 has 30 cm, Audi A4 has 32 cm, Volkswagen Sagitar has 30 cm, Land Rover Range Rover has 90 cm, Jeep Compass has 48 cm, and Highlander has 45 cm. SUVs clearly outperform sedans in wading capability. Generally, when driving through water, different precautions should be taken based on depth and vehicle characteristics: When water reaches exhaust pipe level: Relatively safe. Even if water enters the exhaust, internal pressure can expel it. Just avoid stalling in water to prevent backflow. When water reaches door sill level: More dangerous. Most electrical components and sensors are located at the vehicle's base, risking short circuits that may damage critical systems and prevent startup. When water reaches air intake level: Extremely hazardous. Driving through such conditions may cause immediate engine stall, potentially resulting in permanent engine damage or complete failure.

13

1

Share

How to Replace the Key Battery for BMW 320?

Is an SUV fuel consumption of 11 liters per 100 km considered high?

What is the maximum size of a puncture that can be repaired?

What Causes the Dashboard to Display an Airbag Malfunction?

What to Do If the Car Fan Keeps Running Without Overheating?

What Causes the Wipers to Keep Running?

What is the maximum wading depth of the Defender?

What grade of gasoline should the DL250 use?

What is the difference between SN grade and SP grade?

What is the general height of an SUV jack?

What is the difference in ground clearance between SUVs and sedans?