This excerpt from the user's manual can explain the problem of your capacitor.
"... Make sure that the filter is fully inserted into the dryer trim. Periodically (monthly) remove the condensing unit and clean any lint build-up between the plates by rinsing it under the tap with cold water. This should be done with cold water from the back of the condenser...."
WHIRLPOOL AWZ 8480, SIEMENS WT46W392, SAMSUNG DV90M5000KW/ET, WHIRLPOOL FFT M22 9X2 EU, 869991636240, , AEG T76282AC, 916 097 112, SIEMENS WT46E3P0, AEG T8DEE94S, 916 097 908, BEKO B5T4823IW, B5T4823IW
Manufacturer's part price is £21.47 Discount for bulk (starting at 10 units), £20.76 per unit
This manufacturer part is recomended by BEKO, which gives it a 10/10 rating.
This spare part is recommended for your BEKO B5T4823IW dryer .
All spare parts are new and come with two years warranty
① Carefully check your BEKO dryer's product number
② Start search
Here are examples for partial reference for dryer :
Where to find the reference?