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BMW 37 20 6 789 938
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BMW 37 20 6 799 419
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BMW 37 20 6 859 714
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BMW 37 22 6 775 479
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BMW 37 22 6 785 506
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BMW 37206789938
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BMW 37206799419
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BMW 37206859714
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BMW 37226775479
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BMW 37226785506
E70N X5 35dX ; E70N X5 35iX ; E70N X5 50iX ; E70N X5 40dX ; E70N X5 40iX ; E70N X5 50iX ; E70N X5 M50dX
BMW X5 E70 from 2006-2013
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What are the most common air suspension issues in a BMW X5 E70?
The most common BMW X5 E70 air suspension issues are:
- Rear End Sagging
- Level Control Error Message
BMW X5 Suspension Set-up
The X5 is BMW’s mid-size crossover luxury SUV. It was launched in 1999 on the E53 chassis platform in the first generation of X5 made up to 2006. The subsequent platforms of the X5 were E70, F15/F85 and G05.
In the E70 generation, Self-Leveling Air suspension came as standard with every X5 with the X5 M and cars with 3rd row seating. The self-leveling air suspension was also available as an option in certain model years. The rear suspension would be the same as standard with the coil spring replaced by an air spring.
Rear end Sagging
- Rear suspension loses ride height completely
- Driving in this condition feels like there is no suspension
Root Causes:
- Rear air suspension sags due to loss in air pressure
- The air pressure loss could either be due to
- A failed compressor, or
- A leakage in the air suspension system
Preliminary observation:
- First make sure the car is parked on a surface with no slope.
- Now measure the vertical distance from tire top to the bottom of the fender on the sagging side as well as the non sagging side
Troubleshooting Rear end Sagging: Air Compressor
- First listen to see whether the compressor turns on
- If the compressor does not turn on there is a high probability that the compressor fuse might be blown
- Check the compressor fuse (orange 40A fuse) within the fuse box located under the dashboard on the passenger side
- If the Fuse is blown it most probably means that the compressor has failed
- In a majority of cases, the car will be unable to raise itself, even if the compressor runs. You can easily check by replacing the Relay and the Fuse and seeing whether
- There is compressor working noise
- The suspension starts to raise
If this fails to happen, then it is almost confirmed that the issue with the compressor
- Replace the compressor in your suspension system
- You will need to test whether the new compressor responds to the system by removing a 10amp fuse to reset the system.
Troubleshooting Rear end Sagging: Air Spring
- If there is loss of suspension height in spite of a properly working air compressor, then the air leakages could be the next thing to suspect.
- Air leakage related suspension sagging generally is seen when the car is parked overnight and sometimes even over a period of days.
- Air springs are known to wear out and crack at the rubber bellow surface gradually after accumulating mileage. They generally would last 100K to 120K KMS depending on usage
- In a high mileage vehicle, the air springs would be the first place to check for leakages.
- Leakages can be found by using a soapy water spray over the surface of the air spring bellow.
- Aftermarket replacement bellows tend to give a higher service life as compare to the OE parts
Feel free to ask questions or contact us We are able to acquire a wide range of other parts through our suppliers. With 15 years experience we can find it for you.
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