Not sure on the ARB mate but Alex at AKS has told me the oil leak from the turbo is quite common. I get a little from mine and can see it whenever I get underneath. Been told its nothing to worry about as its only a tiny amount. Regular oil level check should reveal of its becoming a major issue.
Getting an OEM front ARB fitted today, along with turbo pipe oil seals. Will be investigating a DPF-delete pipe next (probably Darkside Developments) and a remap.
Looking to sell my new GTI front valance (in packaging) and centre splitter now, as I've picked up an ABS plastic copy part of the Votex Splitter.
This month I'll be getting all paintwork completed and fitted, maybe a remap at the end of November.
Winter wheels and tyres will be going on in the next few weeks also. Looking forward to the comfiness of 16" wheels but not the poor looks.