Seeing as this is the internet.
The 88 cubic inch ( prior to 2007 ) had some cam chain issues that were fixed and didn't require gear drive. Not a deal breaker, just need to know if it was done. Air cooled engines don't last as long as water cooled engines, many of the newer HD have water cooled engines.
Compared to the Japanese bikes neither BMW or HD have particularly good reputations when it comes to reliability.
The 88 cubic inch ( prior to 2007 ) had some cam chain issues that were fixed and didn't require gear drive. Not a deal breaker, just need to know if it was done. Air cooled engines don't last as long as water cooled engines, many of the newer HD have water cooled engines.
Compared to the Japanese bikes neither BMW or HD have particularly good reputations when it comes to reliability.