Car Front Rear Shock Absorber for BMW F10 F30 E36 E46 E60 F11 R50 E70 G30 E34 E39 E46 E60 E90 E91 X3 X5 X6 M6

• Customization: Available
• Position: Front
• Type: Gas-Filled
• Transport Package: Carton
• Specification: 1-3KG
• Origin: China
• Production Capacity: 500000

Product Description

CarFitment	Model	Year
bmw	3' series 323i	1977-2012
bmw	7' series 740Le iPerformacne	2016-2019
bmw	6' series 630dX	2016-2023
bmw	7' series 740LdX	2013-2022
bmw	6' series 630i	2004-2023
bmw	5' series 530i	1974-2023
bmw	7' series 730Ld	2005-2022
bmw	X5 X5 3.0i	1999-2006
bmw	X5 (E53)	2000-2007
bmw	X5 X5 xDrive35i	2010-2018
bmw	3' series 325i	1985-2023
bmw	5' series 525d	1999-2019
bmw	3' series 318i	1979-2023
bmw	5' series 540dX	2015-2023
bmw	X5 X5 3.0d	2000-2010
bmw	3' series 316i	1987-2016
bmw	5' series 540iX	2015-2023
bmw	5' series 518d	2012-2023
bmw	6' series 640i xDrive Gran Turismo	2017-2020
bmw	6' series 630iX	2018-2023
bmw	5' series 540i	1992-2023
bmw	5' series 530iX	2015-2023
bmw	X5 X5 xDrive40i	2012-2023
bmw	3 (E46)	1998-2005
bmw	3 Touring (E91)	2004-2012
bmw	5' series 520d	1999-2023
bmw	6' series 640dX	2011-2023
bmw	7' series 745eX	2018-2022
bmw	3 Convertible (E93)	2006-2013
bmw	7' series 740eX	2015-2019
bmw	X5 X5 4.8i	2006-2010
bmw	7' series 730dX	2011-2022
bmw	3' series 335i Sedan	2008-2011
bmw	5' series 525tds	1990-2000
bmw	5 Touring (E39)	1996-2004
bmw	5' series 520dX	2012-2023
bmw	3' series 330d	1998-2023
bmw	7' series 730LdX	2014-2022
bmw	3 (E90)	2004-2011
bmw	3 Coupe (E46)	1999-2006
bmw	3' series 320i Sedan	2008-2011
bmw	7' series 750Li xDrive Sedan	2009-2022
bmw	5' series 525i	1981-2010
bmw	7' series 740Li Sedan	2008-2022
bmw	1 Convertible (E88)	2008-2013
bmw	X5 X5 xDrive48i	2006-2010
bmw	7' series 740dX	2010-2023
bmw	5 Gran Turismo (F07)	2009-
bmw	6' series 620dX	2017-2023
bmw	6' series 640iX	2012-2023
bmw	3' series 330i	1999-2023
bmw	7' series 740Le xDrive iPerformance Sedan	2016-2019
bmw	5' series 523i	1995-2011
bmw	6' series 620d	2017-2023
bmw	3' series 325i Sedan	2008-2011
bmw	7' series 740iX	2015-2022
bmw	3' series 330Ci	1999-2006
bmw	5' series 520i	1972-2023
bmw	7' series 730Li	2002-2022
bmw	X5 X5 3.5d	2008-2010
bmw	5' series 530dX	2009-2023
bmw	X5 X5 30dX	2009-2023
bmw	7' series 750LiX	2007-2022
bmw	7' series 745LeX	2018-2022
bmw	7' series BMW ALPINA B7	2006-2022
bmw	5' series M550dX	2010-2020
bmw	X5 X5 xDrive30i	2007-2010
bmw	X5 (E70)	2006-2013
bmw	3' series 335i	2005-2016
bmw	5' series 530d	1997-2023
bmw	1 (E81)	2006-2011
bmw	1 (E87)	2003-2013
bmw	7' series 750LdX	2011-2020
bmw	1 Coupe (E82)	2006-2013
bmw	5 (E39)	1995-2003
bmw	7' series 730Li Sedan	2009-2022
bmw	3' series 318d	2001-2023
bmw	7' series 750Li	2004-2019
bmw	6' series 630i Gran Turismo	2017-2023
bmw	7' series 740Li xDrive Sedan	2012-2022
bmw	7' series 750iX	2007-2022
bmw	X5 X5 35iX	2009-2018
bmw	7' series 750dX	2011-2020
bmw	5' series 528i	1977-2017
bmw	6' series 630d	2016-2023
bmw	X5 X5 4.4i	1998-2006
bmw	7 (F01, F02, F03, F04)	2008-2015
bmw	3' series 320i 1.6	2018-2022
bmw	3 Coupe (E92)	2005-2013
bmw	3' series 320d	1997-2023
bmw	6' series 640i	2009-2022
bmw	3 Convertible (E46)	2000-2007
bmw	3' series 320i	1975-2023

1. Working Principle**  
Shock absorbers operate on the principle of **energy dissipation**. When a vehicle encounters uneven terrain or sudden impacts, the suspension springs compress and release kinetic energy. Without dampers, this energy would cause prolonged oscillations, leading to unstable handling and discomfort.  

A shock absorber converts kinetic energy into thermal energy (heat) through hydraulic or pneumatic resistance. Inside the absorber, a piston moves within a cylinder filled with hydraulic fluid or gas. As the piston compresses, fluid passes through small valves or orifices, creating resistance that slows down the spring's motion. This process stabilizes the vehicle and ensures consistent tire contact with the road.

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2. Types of Shock Absorbers**  
a. Hydraulic Shock Absorbers**  
- **Design**: Use hydraulic oil as the damping medium.  
- **Function**: Fluid flows through valves, generating resistance proportional to piston speed.  
- **Advantages**: Simple, reliable, and cost-effective.  
- **Limitations**: Risk of fluid overheating under heavy loads.  

b. Gas-Charged Shock Absorbers**  
- **Design**: Combine hydraulic fluid with pressurized nitrogen gas (in a separate chamber).  
- **Function**: Gas prevents oil foiling, ensuring consistent performance.  
- **Advantages**: Better heat dissipation, ideal for high-performance vehicles.  

c. Adjustable Shock Absorbers**  
- **Design**: Allow manual or electronic adjustment of damping force.  
- **Function**: Users can switch between soft (comfort) and stiff (sport) settings.  
- **Applications**: Racing cars, off-road vehicles, and luxury automobiles.  

d. Electromagnetic Shock Absorbers**  
- **Design**: Use magnetorheological fluid with suspended magnetic particles.  
- **Function**: An electric field alters fluid viscosity, enabling real-time damping adjustments.  
- **Advantages**: Ultra-responsive, used in advanced adaptive suspension systems.  

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3. Key Applications**  
- **Automotive**: Cars, motorcycles, trucks, and buses rely on shock absorbers to improve ride quality and handling.  
- **Industrial Machinery**: Protect equipment from vibrations in manufacturing or construction.  
- **Aerospace**: Dampen shocks in aircraft landing gear.  
- **Civil Engineering**: Used in seismic dampers to stabilize buildings during earthquakes.  

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4. Maintenance and Troubleshooting**  
- **Leakage Check**: Oil leaks indicate seal failure, requiring immediate replacement.  
- **Performance Test**: Excessive bouncing or uneven tire wear suggests worn-out dampers.  
- **Replacement Interval**: Typically 50,000-100,000 km, depending on usage and road conditions.  
- **Upgrades**: High-performance vehicles may benefit from gas-charged or adjustable models.  

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5. Conclusion**  
Shock absorbers are indispensable for balancing comfort and control in dynamic systems. From daily commutes to extreme engineering environments, their ability to manage energy ensures safety and efficiency. As technology evolves, innovations like smart dampers and eco-friendly materials will further redefine their role in modern engineering. Regular inspection and timely maintenance remain essential to maximize their lifespan and performance.