What's the best way to refurb a worn seat bolster on a car with leather upholstery?

My 2003 BMW 320Ci with full leather grey interior has a worn bolster on the driver's seat. What is the best way to refurbish it?

What is the best product for cleaning grey leather seats?

What is the best product for cleaning grey leather seats?

Can you get rid of sun tan lotion stains from white leather upholstery?

I have a 2017 BMW and I have unfortunately got sun tan lotion on the central arm rest. I have opal white Merino leather and I cannot shift the ugly yellow stain using leather cleaner. My local BMW dealer...

Will an Alcantara interior wear out quicker than leather?

I'm currently looking at purchasing an Audi Q5 which comes with leather and Alcantara seats. What is your view of Alcantara? It appears to get mixed reviews with concerns about looking scruffy after modest...