▲ 5 r/BmwTech
Are BMW B-series engines using thermal/plasma spray coatings in their cylinder bores?
Having watched a really interesting breakdown on cylinder coatings and their pros/cons relating to performance, emissions, cost etc (see the linked video), does anybody know if BMW are using a form of plasma spray coating on their B-series engines?
The video talks a little about the alusil/silitec approaches used in some of BMW’s more famously unreliable performance engines, but as the proud owner of a humble F20 with a B38, I am interested in the inner workings of my little engine.
Can anybody help?
u/chombobobby — 8 hours ago