How to Close the Sunroof on a BMW?

1 Answers
Emil
07/29/25 5:44pm
There is a button with a bidirectional arrow in the middle of the car roof. Push it forward to close the sunroof. Here are 2 maintenance tips for the BMW 3 Series sunroof: 1. Use Talcum Powder: Regularly clean with fine talcum powder to extend the lifespan of the sealing ring. The moving parts of the sunroof are made of low-maintenance materials, so mechanical parts should be periodically cleaned with oil or lubricant. It is recommended to clean every two months. 2. Regular Cleaning: Over time, sand and debris can accumulate in the sunroof's tracks and gaps. If not cleaned regularly, these particles can wear down the sunroof components. Frequently clean around the tracks to prevent debris buildup and extend the sealing ring's lifespan. Generally, every 2 to 3 months, use a cloth dampened with cleaning solution to wipe the sealing strips or tracks, then apply a small amount of oil or grease after drying.
Was this review help?
8
4
Share
More Forum Discussions

Can you change lanes on a yellow dashed line?

Yellow lines are used to separate traffic moving in different directions. A yellow dashed line allows lane changes, while a yellow solid line prohibits lane changes. Yellow dashed lines are used to distinguish lanes in opposite directions and are typically marked on narrower roads. Whether it's a single or double yellow line, as long as it's dashed, vehicles can cross it for overtaking or making a U-turn. A solid line means crossing is prohibited, i.e., lane changes are not allowed. A dashed line indicates that crossing is permitted, meaning lane changes are allowed. If you encounter a yellow dashed line on the road, as long as it's within the dashed area and you follow traffic light signals and yielding rules, you can make a U-turn or change lanes. Double yellow dashed lines mark left-turn lanes and U-turn zones, allowing crossing. However, when changing lanes or overtaking, vehicles must stay within the same direction lanes and only operate on white dashed lines. Crossing double yellow solid lines involves driving against traffic. Motor vehicles must be cautious when changing lanes on the road—only dashed lines permit lane changes. Neither single nor double yellow dashed lines allow lane changes. Yellow markings are boundary lines for motor vehicle lanes. Forcing a lane change across yellow lines constitutes driving against traffic, which can easily lead to head-on collisions. The vehicle forcing the lane change will bear full responsibility. Always check for vehicles behind when changing lanes.
2
3
Share

Is It Necessary to Buy a Car at a 4S Store?

You don't necessarily have to buy a car at a 4S store. There are now various ways to purchase a car, including not only 4S stores but also auto trade stores, second-hand markets, and even online platforms. Here are the relevant details: 1. Buying from a 4S store: Purchasing from a 4S store is the most mainstream method because it ensures quality and provides comprehensive after-sales services such as maintenance and repairs. However, the downside is that prices are generally higher. 2. Buying from an auto trade store: This is equivalent to purchasing from a secondary dealer, where prices are usually cheaper. However, the quality of cars can vary, and some auto trade stores may mix inventory cars with problematic vehicles. Additionally, there might be issues with the car's warranty, so it's essential to clarify all relevant details to avoid unnecessary trouble. 3. Buying from a second-hand market: As the name suggests, most cars here are used. If you're not particular about the car's condition, you can find some 'nearly new' cars at a lower price, enjoying a better car life at a reduced cost. 4. Buying online: This is a new way to purchase cars, mainly focusing on some new energy vehicles or small cars. After selecting the model and configuration on the car's official website, you can pay a deposit or the full amount, and a specialized towing service will deliver the car to your doorstep, greatly enhancing the car-buying experience.
8
2
Share

How long can a motorcycle go without an annual inspection before it is considered scrapped?

Motorcycles must undergo inspection once every 2 years within the first 4 years; after exceeding 4 years, they must be inspected annually. If a motorcycle fails to obtain the motor vehicle inspection compliance mark for 3 consecutive inspection cycles after the expiration of its inspection validity period, it will meet the mandatory scrapping standard. Article 16 of Section 1, Chapter 2 of the Implementation Regulations of the Road Traffic Safety Law stipulates that motor vehicles shall undergo safety technical inspections according to the following periods from the date of registration: passenger vehicles for commercial use must be inspected once a year within the first 5 years; after exceeding 5 years, they must be inspected once every 6 months. Trucks and large or medium-sized non-commercial passenger vehicles must be inspected once a year within the first 10 years; after exceeding 10 years, they must be inspected once every 6 months; small and mini non-commercial passenger vehicles must be inspected once every 2 years within the first 6 years; after exceeding 6 years, they must be inspected once a year; after exceeding 15 years, they must be inspected once every 6 months. Article 4 of the Mandatory Scrapping Standards for Motor Vehicles stipulates: Registered motor vehicles that fail to obtain the motor vehicle inspection compliance mark for 3 consecutive inspection cycles after the expiration of their inspection validity period shall be mandatorily scrapped. The owner shall sell the motor vehicle to a scrapped motor vehicle recycling and dismantling enterprise, which shall carry out registration, dismantling, destruction, and other processes in accordance with regulations, and submit the scrapped motor vehicle registration certificate, license plate, and driving license to the traffic management department of the public security authority for cancellation.
18
1
Share

What items are tested in the C1 driving license subject 3 exam?

According to the "Regulations on the Application and Use of Motor Vehicle Driving Licenses", the C1 driving license subject 3 exam includes: preparation before getting on the car, starting, driving straight, shifting gears, changing lanes, pulling over, going straight through intersections, turning left at intersections, turning right at intersections, passing pedestrian crossings, passing school zones, passing bus stops, meeting oncoming vehicles, overtaking, making U-turns, and driving at night. According to Appendix 1 of the "Regulations on the Application and Use of Motor Vehicle Driving Licenses", the permitted vehicle types for C1 are: small and micro passenger cars, as well as light and micro cargo vehicles; light, small, and micro special-purpose vehicles. Precautions for the C1 subject 3 road test: When starting and pulling over, changing lanes, and turning, pay attention to using the turn signals; When passing pedestrian crossings and school intersections, pay attention to slowing down and honking the horn (if not prohibited); Pay attention to speed and gear shifting (maximum speed should not exceed 45 km/h, and gears should not exceed 4th gear); During night tests, remember to switch between high and low beams at intersections, and switch from high beam to low beam when there are oncoming vehicles; When pulling over at the end of the test, pay attention to the distance between the car body and the roadside (about 20 cm is most appropriate). Deduction points for the C1 driving license subject 3 exam are as follows: Failing to observe the rear and right traffic conditions through the interior and exterior rearview mirrors before stopping is a failure. Failing to stop within the specified distance after the examiner issues the pull-over instruction is a failure. After stopping, if the car body exceeds the right edge of the road or the sidewalk edge, it is a failure. After stopping, failing to turn the head to observe the side rear and left traffic conditions before opening the door is a failure. Not using or incorrectly using the turn signal before stopping deducts 10 points. Turning the steering wheel less than 3 seconds after activating the turn signal before stopping deducts 10 points. After stopping, if the car body is more than 30 cm away from the right edge of the road or the sidewalk edge, it deducts 10 points. Failing to tighten the parking brake lever after stopping deducts 10 points. Releasing the foot brake before tightening the parking brake lever deducts 10 points. Failing to turn off the engine before getting out of the car deducts 5 points.
3
1
Share

What is NORMAL mode?

NORMAL in a car refers to the standard driving mode, which is the most commonly used mode. In this mode, every aspect of the car's performance is balanced, including fuel efficiency, quietness, and power. It achieves the optimal balance between fuel economy, quietness, and power performance, making it suitable for urban driving. To meet different driving requirements and adapt to various road conditions, automatic transmissions are equipped with different shift logic in the electronic control unit. A mode selection switch is also designed on the control panel, allowing drivers to choose the transmission control mode independently. Common automatic transmission control modes include the following: ECONOMY mode: This control mode is designed to maximize fuel efficiency. When the automatic transmission operates in ECONOMY mode, the shift pattern ensures the engine frequently runs within the fuel-efficient RPM range, thereby improving fuel economy. POWER mode: This control mode is designed to maximize the car's power performance. In this mode, the automatic transmission's shift pattern ensures the engine frequently operates within the high-power RPM range, enhancing the car's power performance and climbing ability. SNOW mode: Some automatic transmission models feature a "snowflake" button near the gear lever, which activates SNOW mode. This mode uses automated programming to start the transmission in second gear, ensuring smoother and gentler torque output and reducing the likelihood of tire slippage on icy roads. SPORT mode: The electronic control unit increases the engine RPM to maintain sufficient torque and enhance power performance, though it consumes more fuel. This mode briefly boosts engine power for rapid acceleration, essentially acting as an acceleration, hill-climbing, or overtaking gear. Using SPORT mode causes a sharp increase in RPM. Additionally, high RPM in SPORT mode helps clean engine carbon deposits. However, prolonged use is not recommended as it increases transmission load, raises temperature, and accelerates wear. INDIVIDUAL mode: This mode allows drivers to customize various module responses, typically including steering wheel weight, chassis stiffness, throttle response, transmission reaction, engine mode, steering system mode, and exhaust system mode.
18
2
Share

Which country is Jaguar Cars from?

Jaguar Cars is a British brand, specializing in the sale of luxury sedans, sports cars, and coupe SUVs. The models under Jaguar include the Jaguar XJ, Jaguar XF, Jaguar F-PACE, Jaguar XF, Jaguar XK, and Jaguar F-TYPE. Taking the Jaguar XJ as an example: it is a mid-size sedan equipped with a 3.0T supercharged engine, with a maximum horsepower of 340. The dimensions of the Jaguar XJ are 5265mm in length, 1899mm in width, and 1460mm in height, with a wheelbase of 3157mm. It features an 8-speed automatic transmission and a top speed of 250 kilometers per hour.
3
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.