Thanks HP
The clip wasn't broken, but for some reason managed to wriggle loose (it's not an OEM part, so perhaps not a perfect fit?).
The garage refitted it and the mechanic was confident afterwards that it was correctly fitted this time and that the clip was properly and tightly in place. And yet, I checked it again this morning and the clip had already slid out slightly again.
Figured I'd try my heatshrink tubing idea ....
Before shrinking:
After shrinking:
I reckon that should do the trick!
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Mark
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2002 FE S8 Ebony Black Pearl
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Cars Owned:
The Tesla Era: 2020 Model S Performance Ludicrous+ (present)
(Black, with all black premium interior and carbon fibre décor, 21" sonic carbon twin turbine wheels and FSD capability)
The Audi Era: '97 A8 4.2 (Ming Blue) --> '96 A8 4.2 QS (Dark Green) --> '02 FE S8 (present)
The Citroen Era: '84 BX 1.6 RS --> '89 BX 1.9 DTR Turbo --> '94 XM 2.0L Turbo --> '96 XM 2.0L Turbo Exclusive --> '00 Xantia Activa 2.0L Turbo
The Banger Era: '76 1.2L Lada VAZ-2101 (Ruski Fiat 124) --> '80 1.7L Morris Ital HL, finished in Ermine White and Rust