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On average, the cost for a BMW 640i xDrive Gran Coupe Air Suspension Dryer Assembly Replacement is $208 with $113 for parts and $95 for labor. Prices may vary depending on your location.
| Car | Service | Estimate | Shop/Dealer Price |
|---|---|---|---|
| 2017 BMW 640i xDrive Gran CoupeL6-3.0L Turbo | Service typeAir Suspension Dryer Assembly - Rear Replacement | Estimate$341.47 | Shop/Dealer Price$408.09 - $585.45 |
| 2016 BMW 640i xDrive Gran CoupeL6-3.0L Turbo | Service typeAir Suspension Dryer Assembly - Rear Replacement | Estimate$321.47 | Shop/Dealer Price$395.62 - $578.63 |
| 2015 BMW 640i xDrive Gran CoupeL6-3.0L Turbo | Service typeAir Suspension Dryer Assembly - Rear Replacement | Estimate$321.47 | Shop/Dealer Price$395.62 - $578.63 |
| 2014 BMW 640i xDrive Gran CoupeL6-3.0L Turbo | Service typeAir Suspension Dryer Assembly - Rear Replacement | Estimate$321.47 | Shop/Dealer Price$395.58 - $578.56 |
The vast majority of passenger cars in the US use a spring/strut or shock assembly in the suspension. However, there are others that use a different type of suspension – an air suspension. You find this frequently with luxury cars, as well as some European imports, and it’s offered on some high-end SUVs as an upgradeable option. Air suspension provides a very high quality, comfortable ride, and it works very well initially. However, over time, it’s subject to a number of problems not found with other types of suspension.
The most common problem with air suspension systems is compressor airbag deterioration, but equipment failure can also be an issue. In order to adjust to different driving surfaces and needs, an air suspension is equipped with an air compressor/air suspension dryer. This assembly is responsible for inflating the airbags to the proper level. The dryer serves the same purpose as the one in your HVAC system, namely to remove unwanted moisture from the air.
Over time, the air suspension dryer assembly will degrade and eventually fail. Replacement is necessary to keep your suspension in good condition.
Your air suspension requires an operational compressor/dryer assembly in order to work. While a failed dryer won’t make your vehicle unable to be driven, it will compromise the performance and your comfort on the road. Have your suspension properly maintained by one of our professional mechanics and replaced if required.
The air suspension dryer assembly works in tandem with the compressor to first remove moisture, and then to inflate the air bags that form your suspension. As such, it’s a critical component. If the air bags do not inflate properly, you may be driving with soft, uneven suspension that is unable to compensate for aggressive driving maneuvers. If you have noticed any change in your suspension’s performance or ride quality, have the air suspension system inspected. Have the air suspension dryer assembly replaced if it is deemed faulty.
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