Based on the info you have provided already you don't need resistors as I suspect that your new LEDs have almost the same wattage as your OEM bulb(5W). You also need to deactivate indicator PWM, details below.
Watch this space :whistle:. Haha here he goes. I looked at these. I reckon a long strip similar to @Robert ‘s tail lamps indicators, but doubled-up so that the second strip faces backwards thus illuminating the cluster would sufficiently illuminate it
www.t6forum.com
And if you don't have VCDS you should look at forum member map and find someone local who will be happy to help you
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