Is the Repair at 4S Shop as Good as a New Car?

1 Answers
SophieLynn
07/29/25 11:51pm
4S shops use genuine spare parts for replacements, ensuring the vehicle is restored to its original condition after repair. Authorized 4S shops employ certified technicians and professional equipment, and they provide warranties post-repair. Before delivery, the repaired vehicle must meet relevant technical standards. More details are as follows: 1. Definition of 4S Shop: A 4S shop is a comprehensive automotive service model encompassing vehicle sales (sale), spare parts (spare-part), after-sales service (service), and information feedback (survey). The term '4S' is an abbreviation of these four English words. Although China's automotive industry has a shorter history compared to developed countries, its service model evolution follows a similar path, reflecting over a century of global automotive industry practices. 2. Characteristics of 4S Shop Construction: In terms of construction, foreign car dealerships are generally less luxurious than those in China, with modest hardware facilities and investment scales. However, their management and service standards are top-notch, offering meticulous attention to detail. Unlike some places where customers can only view the exterior, foreign dealerships often allow full access to the interior and even have their own test tracks for customers to freely select and test drive vehicles.
Was this review help?
5
3
Share
More Forum Discussions

Where is the sunroof drain outlet located on the BMW X3?

Front windshield A-pillars and rear windshield C/D-pillars. Each of these four locations has a drainage tube. Below is relevant information about the BMW X3: 1. Dimensions: The BMW X3 is a midsize SUV under the BMW brand, with length/width/height measurements of 4648mm, 1881mm, and 1661mm respectively, and a wheelbase of 2810mm. 2. Powertrain: The vehicle utilizes three engine variants: a low-power version 2.0L turbocharged engine, a medium-power version 2.0L turbocharged engine, and a high-power version 2.0L turbocharged engine.
11
2
Share

What is the effective range of a car key?

The maximum reception distance is approximately 50 meters, which can only be achieved without any electronic interference or obstacles blocking the signal. The basic components of a remote key consist of the following two points: 1. Transmitter: Composed of a transmission switch, transmission antenna, integrated circuit, etc., it contains an identification code storage circuit and an amplitude modulation circuit, with a button-type lithium battery installed on the opposite side of the circuit. The transmission frequency uses radio waves, and each press of the transmission switch button sends a signal once. 2. Receiver: After the transmitter sends the identification code via shortwave modulation, it is received by the car's shortwave antenna and enters the shortwave high-frequency amplification processor of the receiver's electronic control unit through a distributor for demodulation, where it is compared with the demodulator's identification code.
15
0
Share

Should I use 92 or 95 octane gasoline for my car?

The octane rating of gasoline to be used for a car should be based on the recommendation in the official vehicle user manual. In addition to checking the appropriate gasoline grade in the car's user manual, it will also be indicated on the fuel tank cap. Usually, the gasoline grade can also be determined based on the engine's compression ratio. Cars with an engine compression ratio between 8.6-9.9 should use 92 octane gasoline, while those with a compression ratio between 10.0-11.5 should use 95 octane gasoline. If the compression ratio is higher, 98 octane gasoline should be selected. However, with the use of some new technologies nowadays, the octane rating cannot be solely determined by the compression ratio. A high compression ratio can also be adjusted to use lower octane gasoline because, apart from the compression ratio, other factors such as ignition timing, turbocharging technology, and Atkinson cycle technology also play a role. Generally, the higher the octane rating, the higher the octane number and the better the anti-knock performance. 92 octane gasoline contains 92% isooctane and 8% n-heptane, while 95 octane gasoline contains 95% isooctane and 5% n-heptane. For a 2007 Passat, occasionally using the wrong gasoline grade only requires switching back to the correct grade after use. However, long-term use of the wrong gasoline grade can have the following effects: For vehicles recommended to use lower octane gasoline, mistakenly using higher octane gasoline will not cause damage, but the increase in octane number will change the fuel's ignition point, leading to delayed combustion in the engine. This means both the engine's power output and thermal efficiency will decrease, and the actual feedback experience is reduced performance. For vehicles recommended to use higher octane gasoline, using lower octane gasoline can cause engine knocking. Because the octane number is too low, the lowered ignition point of the gasoline will cause it to ignite prematurely during the compression stroke. If the gasoline ignites before the spark plug fires during the compression stroke, resistance will occur during the upward stroke. This resistance will make the engine run very unstably. If it's mild knocking, it will only increase noise without significant damage to the engine. However, if there is noticeable knocking, it indicates severe engine conditions, affecting not only driving stability but also causing abnormal wear on pistons and cylinders, and in severe cases, cylinder scoring.
15
2
Share

Is the Audi A7 supercharged?

The Audi A7 3.0T V6 model is supercharged. The difference between supercharging and turbocharging: 1. Supercharging: Uses the engine's own power to drive a compressor for boosting. The supercharger consumes engine power, its speed changes with the engine speed, and there is no boost lag. It performs exceptionally well at low engine speeds but is limited by the engine speed, resulting in insufficient boost at high speeds. 2. Turbocharging: Uses the engine's exhaust gases to drive a turbine in the exhaust pipe, which in turn drives a turbine in the intake pipe for indirect boosting, without consuming engine power. The turbocharger operates at extremely high speeds, providing several times more boost pressure than a supercharger. Due to the inertia of the turbine and the significant resistance of the intermediate bearings, the turbine speed does not increase immediately when exhaust gases suddenly increase, which is known as turbo lag.
3
3
Share

Can the rear seats of an Audi be laid flat?

Audi rear seats cannot be laid flat. Here are the specific details: 1. Car Seats: Car seats are the seats used when riding in a vehicle. Based on their location, they can be roughly divided into front seats: headrest, backrest, seat cushion, armrest; rear seats: headrest, backrest, seat cushion, side wing, armrest. 2. Categories of Car Seats: By shape, they can be divided into split seats and bench seats; by function, they can be fixed, removable, or adjustable; by passenger capacity, they can be single, double, or multi-seat. Based on their performance, car seats have evolved from the earliest fixed seats to multifunctional power-adjustable seats, including air-cushioned seats, electric seats, stereo sound seats, mental recovery seats, and even electronically adjustable seats. By material, they can be leather seats or fabric seats. There are also special-purpose seats, such as child seats and racing seats.
12
3
Share

How Many Bottles of Coolant Should Be Added?

Coolant should generally be added between the min and max marks on the expansion tank, and should not exceed the max mark. If the coolant level is found to be too low, it should be replenished as soon as possible. Note that the engine must be turned off and cooled before adding coolant. Considerations when selecting coolant: 1. The freezing point of the coolant should be at least 10 degrees Celsius below the lowest environmental temperature; 2. There are many types of coolant available in the automotive parts market, most of which are made by mixing alcohol and water with added colorants. When purchasing coolant, it is advisable to choose products from reputable brands to ensure quality and avoid using inferior products.
9
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.