Rear Left Air Spring Bag BMW Car Air Suspension System OEM 37121094613 37121095081
Product Information
OEM Number:37121094613,37121095081,3712 1094 613,3712 1095 081
Part Number:502009
Car Make:For BMW
Car Model:For BMW 5Series E39
Type: Air Spring Bag
Position:Rear Left
Delivery time:2-8 working day after received your payment
Shipping:By Air,By Sea,By Express(DHL/UPS/FEDEX/EMS...)
●Exact fit and easy installation
●We have 15 years of experience
●High-quality parts with 12 months warranty
●Factory price for you
●Fast delivery
●All our products are 100% tested to meet or exceed OEM performance
●If you have any questions before purchasing or during the use of the product, please feel free to contact us, our technicians will be happy to assist you
Car Fitment
This air spring is suitable for BMW 5S E39
| 520i | 525d | 525i | 528i | 530d | 540i | 530i |
The above information is for reference only,please make sure your car has the corresponding chassis before purchasing.
If you aren't sure about the corresponding chassis information of the car,please send the VIN (Vehicle Identification Number ) and we will check it for you.
Packing Details
| Package | Bromn Cartons |
| Packing | Neutral packing or packaging according to customer requirements |
| Weight | 2KG |
| Size | 25*14*14(cm) |
| Contents: | 1X Air Suspension Spring |
Air suspension Shock Absorber
The shock absorber is installed inside the suspension system of the car to accelerate the attenuation of the frame and the body and improve
the driving comfort of the car.
Shock absorbers are divided into hydraulic and Gas-filled from the material that produces damping
Hydraulic
Hydraulic shock absorbers are widely used in automotive suspension systems. The principle is that when the frame and the axle reciprocate relative to each other, when the piston moves back and forth in the cylinder of the shock absorber, the oil in the shock absorber housing will repeatedly flow from the inner cavity to the other through some narrow pores. an inner cavity. At this time, the friction between the liquid and the inner wall and the internal friction of the liquid molecules form a damping force for vibration.
Gas-filled shock absorbers
The gas-filled shock absorber is a new type of shock absorber developed since the 1960s. Its structural feature is that a floating piston is installed at the lower part of the cylinder, and a closed air chamber formed by the floating piston and one end of the cylinder is filled with high-pressure nitrogen. A large-section O-ring is installed on the floating piston, which completely separates oil and gas. The working piston is equipped with a compression valve and an expansion valve that change the cross-sectional area of the passage with the speed of its movement.
When the wheel jumps up and down, the working piston of the shock absorber reciprocates in the oil, causing an oil pressure difference between the upper cavity and the lower cavity of the working piston, and the pressure oil pushes the compression valve and the expansion valve to flow back and forth. Since the valve produces a large damping force on the pressure oil, the vibration is attenuated.
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