BMW
Your motorcycle
2020 BMW K 1600 GT/GTL
1649cc inline-6 · liquid-cooled · shaft driveTypical for 2012–2026 · confirm in your manual
All listed trims share these maintenance parts.
Your oil change shopping list
Everything for one DIY oil changeParts & fluids for the 2020 K 1600 GT/GTL, by area of the bike
Each part shows when it's due and who should do it: DIY · EasyDIY · ModerateMechanicDealer or specialist
EngineOil, filters, plugs and valves6 items
Engine oil5W-40 · BMW ADVANTEC Ultimate (API SL / JASO MA2)Capacity: see manual. Use motorcycle oil rated JASO MA or MA2. Car oils with friction modifiers can make a wet clutch slip.
WhenEvery 6,000 mi or once a year
DIY · EasyBuy on Amazon
Oil filterMatch by year and modelUse the store's fit check or your manual's part number.
WhenEvery oil change
DIY · EasyBuy on Amazon
Drain plug crush washerNew washer each changeCheap insurance against leaks. Torque the drain plug to spec; aluminum cases strip easily.
WhenEvery oil change
DIY · EasyBuy on Amazon
Air filterFits 2020 BMW K 1600 GT/GTLUsually under the seat or tank. A clogged filter costs power and fuel economy.
WhenInspect every service; replace when dirty
DIY · ModerateBuy on Amazon
Spark plugs (6)Fits 2020 BMW K 1600 GT/GTLOn multi-cylinder sport bikes the plugs sit under the tank and airbox, so it's a bigger job.
WhenPer your manual
MechanicBuy on Amazon
CoolantBMW coolant (50/50)Use silicate-free motorcycle coolant. Check the level in the overflow tank before rides.
WhenEvery 2 years
DIY · ModerateBuy on Amazon
Final drive (shaft)What turns the rear wheel1 item
Final drive oilSAE 75W-90 hypoid (GL-5)Shaft drives need almost no care, just fresh gear oil now and then.
WhenEvery 12,000–24,000 mi (check your manual)
DIY · ModerateBuy on Amazon
BrakesPads and fluid3 items
Front brake padsFits 2020 BMW K 1600 GT/GTLFront pads wear faster because they do most of the braking.
WhenInspect every 4,000 mi; replace at about 2 mm of pad
DIY · ModerateBuy on Amazon
Rear brake padsFits 2020 BMW K 1600 GT/GTL
WhenInspect every 4,000 mi; replace at about 2 mm of pad
DIY · ModerateBuy on Amazon
Brake fluidDOT 4Never mix DOT 5 (silicone) with DOT 3/4. Check what your reservoir cap says.
WhenEvery 2 years
DIY · ModerateBuy on Amazon
Tires & wheelsYour only contact with the road3 items
Front tire120/70ZR17Check pressure before every ride; it's on the swingarm or frame sticker.
WhenAt 2/32" of tread, or 5–6 years old
MechanicBuy on Amazon
Rear tire190/55ZR17Rear tires usually wear out about twice as fast as fronts.
WhenAt 2/32" of tread, or 5–6 years old
MechanicBuy on Amazon
Tire pressure gaugeDigital or dial gaugeUnder-inflated tires make a bike handle badly and wear fast.
WhenBefore every ride
DIY · EasyBuy on Amazon
ElectricalBattery and bulbs2 items
BatteryFits 2020 BMW K 1600 GT/GTLKeep it on a battery tender if the bike sits for more than a couple of weeks.
WhenMost last 3–5 years
DIY · EasyBuy on Amazon
Battery tenderSmart maintainerThe best way to make a motorcycle battery last.
WhenWhenever it's parked for winter
DIY · EasyBuy on Amazon
Suspension & controlsForks, clutch and cables3 items
Fork oil & sealsFork oil per your manualOil on the fork tubes means a leaking seal. Service both forks together.
WhenEvery 2 years or 15,000 mi; seals when they leak
MechanicBuy on Amazon
Clutch fluidDOT 4Hydraulic clutches use brake fluid from their own reservoir.
WhenEvery 2 years
DIY · ModerateBuy on Amazon
Steering head & swingarm bearingsInspect for playNotchy steering or a clunk when braking points to worn bearings.
WhenEvery 12,000 mi
Mechanic
Owner's manual for the 2020 BMW K 1600 GT/GTL
Amazon fit lists aren't always perfect. Your owner's manual has the exact oil, capacities and part numbers for your bike, so check it before you buy.
Every 6,000 miles: what's due
Pick your mileage to see what comes due at that service.
6,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
12,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
18,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
24,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
30,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
36,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
42,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
48,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
54,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
60,000 miles 2 items
- Engine oil & filterevery 6,000 miShop part →
- Brake pads & tires inspectionevery 6,000 mi
Other years: 2019 K 1600 GT/GTL · 2021 K 1600 GT/GTL · All K 1600 GT/GTL years
Motorcycle specs on PartSpec are typical values for this generation and haven't all been checked against the manufacturer yet. Confirm the oil, capacities and part numbers in your owner's manual before you buy. Read the full disclaimer
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