BMW K 1600 GTL (2011–2021) vs Suzuki Boulevard S40 (2007–2022)

Factory maintenance schedules compared.

Service	BMW K 1600 GTL (2011–2021)0612	Suzuki Boulevard S40 (2007–2022)NP41
Oil change	6,000 mi	n/a
Valve service	18,000 mi	n/a
Spark plugs	18,000 mi	n/a
Chain	n/a	n/a
Brake fluid	n/a	n/a
Coolant	n/a	n/a

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the BMW K 1600 GTL (2011–2021) or the Suzuki Boulevard S40 (2007–2022)?

They demand a similar number of scheduled shop visits based on their factory service intervals.