These fasteners are for holding on the engine undertray - that is the bottom cover under the car that protects the engine form underneath from dirt and water etc. NOT made from cheap inferior materials.
Rover 75 // MG ZT/ZT-T Air Filter Box (Part #: PHB102451) 1.8 // 2.0/2.5 V6
Rover 75 MG ZT ZT-T Diesel CDTi Intercooler O Rings Kit - VITON. PYX100321
MG Rover Oil Filter For MGF, TF, Rover 75 & MG ZT LPW100181. Genuine OEM
Genuine MG Rover - 75 / MG ZT - Coolant Hose Pipe Assembly To Pump - PEH101300
For LAND ROVER Rover 75 MG ZT-T VALEO Remote Key Fob Case Shell Cover 2 Button
For LAND ROVER Rover 75 MG ZT-T VALEO 2 Button Remote Key Fob Case Shell Blade