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Can a Car's Engine Be Replaced?

1 Answers
DeLukas
07/28/25 9:31pm
Engine replacement is permitted, but it requires registration changes at the vehicle management office. If the engine is replaced without filing the change at the local vehicle management office where the car is registered, the vehicle will not pass the annual inspection or be eligible for transfer of ownership. Therefore, it is essential to complete the engine change procedure at the vehicle management office after replacing the engine. Applying for Engine Replacement: The first step in the change procedure is to apply for the change at the vehicle management office. You need to bring your ID card, vehicle license, vehicle registration certificate, and proof of the new engine. At the office, the staff will issue a vehicle inspection application and take an imprint of the new engine number. Note that this application is not processed in the main service hall but at the service office in the parking lot where new vehicle photos are taken. Vehicle Inspection, Procedure Completion, and Issuance of New License: After completing the engine change application, the staff will provide the owner with a sealed envelope and an inspection application form. With these documents, the owner can drive the vehicle to the inspection site for testing. Once the inspection is completed, the inspection site will reseal the envelope previously given to the owner and provide an inspection compliance certificate. With these two documents, along with the original and photocopies of the vehicle license, registration certificate, owner's ID card, temporary residence permit, etc., the owner must first go to the place where the imprint was taken to get photos. After obtaining the photos, proceed to the main service hall to complete the procedure for changing the vehicle's engine number.
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What is the fuel tank capacity of the BMW 5 Series?

The fuel tank capacity of the BMW 5 Series is 70 liters. The size of the fuel tank measures a vehicle's ability to carry fuel, and the tank volume determines the driving range. For two cars with identical engines, the larger the fuel tank, the farther the car can travel. Below is a partial introduction to the BMW 5 Series: 1. Body dimensions: Taking the BMW 525i as an example, its body dimensions are 4841mm in length, 1846mm in width, and 1468mm in height, with a wheelbase of 2888mm, front track of 1558mm, and rear track of 1582mm. 2. Powertrain: The BMW 525i features a front-engine, rear-wheel-drive layout, with a top speed of 233 km/h, and is powered by an inline six-cylinder, four-valve engine.
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Here are the reasons why the malfunction indicator light may illuminate: 1. Sensor issues: When the coolant temperature, crankshaft position, air flow, intake air temperature, or oxygen sensors are damaged, have poor connections, or experience signal interruptions, the vehicle's ECU cannot accurately obtain engine data; 2. Maintenance problems: Irregular maintenance and poor driving habits can increase the operational burden on the engine; 3. Fuel quality issues: The fuel used in the car has specific octane ratings, and failure to use the required grade can cause engine wear; 4. Poor fuel mixture combustion: This can lead to engine carbon buildup or knocking issues, which are detected by the engine's oxygen sensor; 5. False alarms: These may occur due to minor collisions during driving, tampering with engine connectors, or temporary ECU signal interruptions.
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What is Full-Time Four-Wheel Drive?

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At what temperature does the BMW N55 engine's cooling fan start to operate?

Water temperature generally reaches between 93-98 degrees Celsius for the fan to operate at low speed. Overheating caused by insufficient coolant: Water needs to be added, but to prevent engine damage, water should not be added immediately. Typically, the car's hood should be opened first, followed by the engine cover to allow ventilation and heat dissipation. Water should only be added after the coolant temperature has decreased. Water pump failure leading to overheating: This may be due to seized bearings or damaged impeller blades. The likelihood of seized bearings is low, and replacing the damaged impeller blades should resolve the issue. Blown fuse causing overheating: Alternatively, the thermostat switch may have blown. In this case, it is crucial not to turn off the engine. Instead, open the hood and use cold water to spray the car's radiator to rapidly lower the water temperature.
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How to Conduct Annual Inspection for a New Car After Six Years?

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