2018 BMW 6 Series Gran Turismo maintenance schedule

The 2018 6 Series Gran Turismo is part of the G32 generation (2018-2019). Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.

Service schedule

What the 2018 6 Series Gran Turismo needs, and when

Manufacturer rows link to BMW's own schedule, Independent rows to a service shop or parts retailer's published guide.

Service	Interval	Source
Engine oil and filter The B58 engine is highly robust, but strict adherence to LL-01/LL-04 specifications is required to maintain proper VANOS (variable valve timing) actuation.	10,000 mi / 1 year	Independent
Engine air filter Neglected air filters restrict airflow to the turbocharger, increasing internal temperatures and hastening bearing failure.	30,000 mi / 3 years	Independent
Cabin air filter Microfilter replacement ensures the sophisticated HVAC system operates efficiently without stressing the interior blower motor.	20,000 mi / 2 years	Independent
Tire rotation Standard tire rotation is required to maintain equal tread depth, which is vital for preventing catastrophic transfer case clutch wear in the xDrive system.	5,000 mi / 6 months	Independent
Brake fluid Flush every 2 years; heavily laden GT vehicles generate immense brake heat, boiling moisture-contaminated fluid and causing brake fade.	30,000 mi / 2 years	Independent
Engine coolant Crucial for preserving the seals within the B58's complex water pump and heat management modules.	30,000 mi	Independent
Transmission fluid ZF 8HP transmissions require a fluid and integrated pan/filter replacement to prevent solenoid sticking and rough engagements.	50,000 mi / 8 years	Independent
Spark plugs Worn spark plugs on the B58 induce micro-misfires under load, leading to unburnt fuel destroying the catalytic converter monolith.	60,000 mi / 6 years	Independent
Timing chain Uses a timing chain located at the rear of the engine block; visual and acoustic inspections are necessary as engine removal is required for replacement.	Inspect, replace as needed	Independent
Serpentine belt Belt degradation can cause slippage, instantaneously eliminating alternator output and disabling the vehicle.	60,000 mi / 6 years	Independent
Differential and transfer case fluid High curb weight places immense strain on the xDrive transfer case; fluid replacement prevents low-speed driveline binding and shuddering.	50,000 mi	Independent
12V battery Registration via ISTA is mandatory upon replacement to reset the intelligent charging algorithm and prevent boiling the new battery.	4 years	Independent

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.

Fluids and engines

What goes in it

Engine oil: 5W-30 / 5W-40, 6.9 qt
Coolant: BMW HT-12
Transmission fluid: ZF Lifeguard 8

Powertrains in this generation

3.0L 6-cyl (B58), 335 hp, 8-speed automatic, AWD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Known problems

What 2018 6 Series Gran Turismo owners run into

Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.

Coolant expansion tank cracking

high severity

60,000-80,000 mi · $150-$600 to fix

Hairline fractures in the plastic tank due to thermal cycling induce slow coolant leaks, manifesting as low coolant warnings and dried white residue.

Source: au7o.io

Safety recalls

2 NHTSA recalls for the 2018 BMW 6 Series Gran Turismo

From NHTSA's recall database, matched by model and year. Recall repairs are free at BMW dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Back over prevention

NHTSA 19V684000

September 2019

BMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i, X4 M, X7 xDrive, X7 M50i, 740Li, 740Li xDrive, 750Li, 750Li xDrive, 8 Series Convertible and Coupe 840i, 840i xDrive, M850i xDrive, X5 sDrive, X5 xDrive, X5 M50i, X6 xDrive, X6 M50i, 330i, 330i xDrive, M340i, M340i xDrive, Z4 sDrive, Z4 M40i, 740Le xDrive and 745Le xDrive, 2018-2019 640i xDrive Gran Turismo and Rolls-Royce Phantom, 2019 M850i xDrive Gran Coupe and Rolls-Royce Cullinan and 2020 Toyota Supra vehicles. The back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."

Remedy: BMW will notify owners, and dealers will update the back-up camera software, free of charge. The recall began November 8, 2019. Owners may contact BMW customer service at 1-800-525-7417 or Rolls-Royce at 1-877-877-3735. Toyota owners may contact Toyota customer service at 1-888-270-9371.

Engine and engine cooling

NHTSA 18V465000

July 2018

BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring, possibly resulting in a vehicle stall. On September 12, 2018, BMW expanded the recall to a total of 5,309 vehicles including certain 2018-2019 BMW 540d xDrive, 230i M240i, M240i xDrive, X2 sDrive28i, X2 xDrive28i, X1 sDrive28i, X1 xDrive28i, 330i, 330i xDrive, 340i, 340i xDrive, 330i xDrive Gran Turismo, 530i, 530i xDrive, 540i, 540i xDrive, 530e, 530e xDrive, 640i xDrive Gran Turismo, 330e, 2019 430i Gran Coupe, 430i xDrive Gran Coupe, 440i Gran Coupe, 440i xDrive Gran Coupe, 430i, 430i xDrive, 440i, 440i xDrive, 740i, 740i xDrive, MINI Cooper, Cooper S, JCW, MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), and MINI Clubman (Cooper, Cooper S, Cooper All4, Cooper S All4, JCW All4) vehicles.

Remedy: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at 1-800-525-7417.

Other 6 Series Gran Turismo model years

G32 (2018-2019)

20182019

Shopping new? The BMW 6 Series Gran Turismo guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

autowerkes.com (Independent)
bimmerperformancecenter.com (Independent)
bmwtigard.com (Independent)
brianjesselbmwpreowned.com (Independent)
dallasbmwrepair.com (Independent)
au7o.io (Unverified)

Researched 2026-09-22. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

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