Here is how you remove the door panel on your bmw 5 series f11 the rear door panel have just one screw and chips.
													
																	Bmw f10 door handle trim removal. 
									
	
		
	
																	Don t think the material used can handle the heat in singapore. 
																	Bmw f10 door panel melting repair disclaimer i am a do it yoursel. 
																	Fexon driver side door handle for bmw 5 series window switch armrest panel inner pull handle trim panel cover replacement for 2010 2016 bmw 5 series 520 523 525 528 530 535 f10 f11 black 4 4 out of 5 stars 33. 
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																	Removing this plug enables access to the torx15 bolt that secures the handle assembly in place. 
																	Yes i had this problem with my secondhand bmw 523i too from ppsl. 
																	Thank you very much. 
																	I suspect it is due to the fact that i park my car in an open carpark. 
															
													
									
	
		
	
																	Only changed the ones in front even though the rear door handles are also a bit sticky. 
																	Had to spend a few hundred dollars to replace them. 
																	If you need to remove the front door panel.