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      01-20-2017, 01:36 AM   #27
E90Fleet
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Drives: BMW
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Quote:
Originally Posted by Tjalle View Post
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I did not know - now I know. I take it I have same system in my X4.
No the X4 has a different system

X1 has Dynamic Damper Control (DDC) a 2 stage manually selected system

X3/X4 has Electronic Damper Control (EDC) a system that can almost instantly vary the damping depending on road conditions.

Both are optional systems.



Basically the X1 system is in hard or soft mode. The X4 system can change the hardness of the shocks as road conditions change according to sensors in the car. X1 system has no sensors.


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