Re: BMW 335i HFS-3 power problems
Can you take a picture of what you have and the serial number of the controller. For the 335i , you need the green harness but the earlier batch of the HFS3-v2 requires some mods from the factory to bring it up to date with the second batch of V2. The serial number will allow me to check this for you.
We do not charge for making the mods but you have to pay the return shipping.
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Richard L
aquamist technical support
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