What are the symptoms of a car using low-quality fuel?

What does the abnormal BMW occupant protection system mean?

An abnormal BMW occupant protection system indicates a malfunction in the vehicle's airbag system. Below is an introduction to the BMW occupant protection system: Introduction to the causes of airbag malfunctions: BMW vehicles differ significantly from other cars in their airbag systems. They are equipped with one or more airbag control units, referred to as satellite control units, and multiple sensors. You can check the specific issue in the central display or have it diagnosed at a service station or repair shop. If the vehicle has not been involved in a collision, the issue is usually related to the seat occupancy recognition system, which is prone to damage. Solutions for airbag malfunctions: The "occupant protection system malfunction" is quite common, and in most cases, it is a false alarm caused by improper handling during maintenance, installation, or modification. This fault indicates a problem with the safety system (airbags, seat belts, etc.), often due to technicians improperly disconnecting or reconnecting safety system-related plugs while working on other components. This fault can usually be cleared using a diagnostic tool.

7

5

Share

Is the Borgward BX7 engine the EA888?

Borgward BX7's engine model is BWE420B. The BWE420B engine has a maximum horsepower of 224 HP, a maximum power output of 165 kW, a maximum power speed of 5500 rpm, and a peak torque of 300 N·m. The engine equipped in the Borgward BX7 is a 2.0T turbocharged direct-injection engine jointly developed by Borgward's R&D team in collaboration with renowned suppliers such as Germany's INA, Bosch, and Japan's IHI. For the daily maintenance of the Borgward BX7 engine, the following methods can be used: Use lubricating oil of appropriate quality grade. For gasoline engines, SD-SF grade gasoline engine oil should be selected based on the additional devices of the intake and exhaust systems and usage conditions; for diesel engines, CB-CD grade diesel engine oil should be chosen according to mechanical load, with the selection standard not lower than the manufacturer's specified requirements. Regularly change the engine oil and oil filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, its performance will deteriorate, leading to various engine problems. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level. When engine oil passes through the fine pores of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter becomes clogged and oil cannot pass through the filter element, it may rupture the filter element or open the safety valve, allowing oil to bypass through the bypass valve and carry contaminants back to the lubrication areas, accelerating engine wear and increasing internal contamination. Periodically clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal particles from component wear to form sludge. Small amounts remain suspended in the oil, while larger amounts precipitate, clogging filters and oil passages, making engine lubrication difficult and causing wear. Regularly use radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates properly but also extends the overall lifespan of the radiator and engine.

4

5

Share

How Many Points Can Be Deducted in Subject 2?

In Subject 2, a maximum of 20 points can be deducted, and a score of 80 or above is required to pass. There are many point-deduction items in Subject 2. General Deductions: Not wearing a seatbelt: deduct 100 points; Not closing the car door properly: deduct 100 points; Not having the gear in neutral when starting the engine: deduct 100 points; Not using the turn signal (including starting, changing lanes, overtaking, turning, or parking by the roadside); Turn signal not used for more than 3 seconds; Forgetting to turn off the turn signal or incorrect use of the turn signal: deduct 10 points; Stalling once: deduct 10 points. Parallel Parking: Vehicle body crossing the line after stopping in the parking space: deduct 100 points; Not using or incorrectly using the turn signal when exiting the parking space: deduct 10 points; Exceeding the 90-second time limit for the task: deduct 100 points; Vehicle body touching the parking space boundary line while moving: deduct 10 points per occurrence; Wheels touching the lane boundary line while moving: deduct 10 points per occurrence; Stopping for more than 2 seconds: deduct 5 points per occurrence. Reverse Parking: Exceeding the 210-second time limit for the task: deduct 100 points (key deduction); Not following the prescribed route or sequence: deduct 100 points; Not driving both front wheels over the control line before reversing: deduct 100 points; Stopping for more than 2 seconds: deduct 5 points per occurrence; Failing to park in the designated area: deduct 100 points; Vehicle body crossing the line: deduct 100 points. Curve Driving: Wheels touching the edge line: deduct 100 points (previously 20 points, adjusted in the new standard); Stopping for more than 2 seconds: deduct 100 points. 90-Degree Turn: Wheels touching the edge line: deduct 100 points (previously 20 points, adjusted in the new standard); Stopping for more than 2 seconds: deduct 5 points per occurrence.

19

5

Share

How to Enter a Parking Lot with a New Unlicensed Car?

If the parking lot relies on automatic license plate recognition machines and there are no security guards, it is impossible to enter with a new unlicensed car because the machines cannot recognize temporary license plates. If there is a security guard on duty, you can use a temporary license plate and gain entry through manual verification by the guard. For unlicensed cars entering or exiting the parking lot, the entrance and exit can only be operated manually by lifting the barrier. Temporary license plates have time and regional limitations. You can apply for a temporary license plate from the local vehicle management office under any of the following conditions: 1. When driving the vehicle from the place of purchase to the place of use, you need to apply for a temporary license plate at the vehicle management office in the purchase location. 2. When transferring vehicle registration and surrendering the official license plate, you need to apply for a temporary license plate at the local vehicle management office to drive back to your home location. 3. If a new car in the local area has not yet obtained an official license plate and needs to be driven to another location for modifications, you must apply for a temporary license plate locally. After modifications, apply for another temporary license plate at the modification location to drive back to the original area. 4. When purchasing a car locally and driving it to another location, you must apply for a temporary license plate locally before driving to the other location. 5. If the vehicle registration is not yet finalized and temporary use is required.

14

2

Share

What to Do When BMW Fails to Connect to Bluetooth?

In this case, it is recommended that users restart their phones and attempt to reconnect. Additionally, due to compatibility issues with Bluetooth devices, it is advisable to delete the pairing and reconnect. Bluetooth is a wireless technology standard that enables short-range data exchange between fixed devices, mobile devices, and personal area networks within buildings.

14

5

Share

How to Determine the Condition of Electronic Fuel Injection Diesel Engine Nozzles?

Observe whether there is black smoke, check if the vehicle has sufficient power, and listen to see if the engine sound is normal. Open the valve cover, remove the return pipe, and start the vehicle to check the amount of return oil. If the return oil spurts out like a spray, then the nozzle is damaged. The fuel injection pressure of the nozzle is too low; the fuel from the nozzle does not atomize or shows obvious oil flow shooting downward.

4

2

Share

What are the symptoms of a car using low-quality fuel?

What does the abnormal BMW occupant protection system mean?

Is the Borgward BX7 engine the EA888?

How Many Points Can Be Deducted in Subject 2?

How to Enter a Parking Lot with a New Unlicensed Car?

What to Do When BMW Fails to Connect to Bluetooth?

How to Determine the Condition of Electronic Fuel Injection Diesel Engine Nozzles?

How to Extract Fuel from a Car's Gas Tank?

What is the minimum age to ride a motorcycle?

What is the solution for loose car door glass?

What are the differences between the Lynk & Co 03 and Lynk & Co 03+?