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BMW thermostat identification authenticity

Official website serial number inquiry or 4S store appraisal

Method 1: Don’t be greedy for cheap prices. If you find that the price of commonly used auto parts is far lower than the price in your impression, you should Be vigilant and be sure to find out whether it is a discount, price reduction or fake. Method 2: Observe that the outer packaging box of the genuine product has clear writing, accurate overprinting, and bright colors. It is marked with product name, specifications, model, quantity, registered trademark, certificate and inspector seal, and some important components such as distributor, fuel injection pump, etc. Also comes with an instruction manual. Most fake and shoddy products can always find flaws in their packaging. Method 3: If the original vehicle parts fail, you should go to a franchised dealer (4S store) for repair or replacement. Use original parts. Non-original parts can easily cause damage to the vehicle body. Method 4: Visually inspect the color. Original accessories will specify a certain standard color. If other colors are found, it is a fake product. Method 5: Observe the paint. Some vendors simply process, piece together, paint, and package waste accessories and sell them as qualified products. These accessories can be seen from the appearance of the paint. Method 6: Look carefully at the materials. If you find rust and spots on the accessories, aging and cracking of the rubber parts, and desoldering and degumming at the joints, there is probably something wrong with the accessories. Method 7: Is there protection? Most accessories have a protective layer when they leave the factory. For example, piston pins and bearing bushes are protected with paraffin; piston rings and cylinder liners are coated with anti-rust oil, and valves, pistons, etc. are wrapped in wrapping paper and then sealed in plastic bags. .