Mk5 Golf Gti Common Faults. It goes from Max to Min on the reservoir in about 300 miles now. I drive a mk5 GTI DSG 55 plate.

On the earlier MK5 2006-2009 cars the headliner and door fabrics are known to separate and droop or fall off. 20T FSI High Pressure Fuel Pump HPFP Failures. 20130516 The mk5 can suffer from uneven tyre wear particularly at the rear because of the amount of suspension adjustment available.
The DV or Diverter valve is a common weak point and should be the first thing you look at if you have having boost related issues on your FSI engine.
If playback doesnt begin shortly try restarting your device. Its been topped up with coolant twice now in the last month or so. 3 Cam follower and thus potentially damaging the camshaft - made of chocolate - expensive. 20200803 VW Golf and GTI interiors also have a few common issues to be aware of.