Quote:
Originally Posted by rmw04c
How would I convince them to do that, considering they denied that it was even possible in the first place??
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It seems to me that the production date of your 335is is prior to 03/11 -the 6NF option is the telltale.
The dealer will be unable to retrofit the 6NR, however contact forum vendor BimmerTech for details. He can retrofit the 6NR in your car -it has the required main hardware to allow it.