I took the car in for a smoke test yesterday and smoke began to rise from under the engine. The car was sent up in the air on ramps and the undertray were removed and the smoke was coming from the plastic air pipe that goes from the air filter to the turbo on the left side.
There is a hole on the bend that you can get a screwdriver tip in. No idea how a hole has appeared there. The arrow on the pic shows where it is.

Click image to enlarge

And here it is.

Which garage did you use? Roean? Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silicon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
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RPM in Birmingham. They have a smoke tester.

I think I may have found another possible leak. When I removed this pipe from the rigid plastic pipe attached to the turbo, I noticed some movement in that pipe where there is a plastic seam. It’s like 2 pipes joined together but you can move it enough to see a gap open up on that seam.
Also I noticed both jubilee clips weren’t tight either.

See below.

Click image to enlarge

On the pipe I removed, I noticed it was deformed on the one side (opposite side to hole).

Update

The fault is still there. I got 140 miles out of the car before it went bong again.

Back to square one! 2010 MY Vogue SE TDV8 3.6 Stornoway Grey- fully loaded

Perhaps drop it into Tim at Alltrack 4x4 for his thoughts.... Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silicon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
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Im wondering if it might be electrical. It popped up yesterday along a flat dual carriageway whilst cruising and not under any kind of load. 2010 MY Vogue SE TDV8 3.6 Stornoway Grey- fully loaded