The 2019 Ghost shares BMW 7-series DNA with bespoke Rolls-Royce touches. The N74 6.6L twin-turbo V12 is generally robust but expensive when things go wrong, and the ZF 8-speed transmission requires careful maintenance to avoid costly failures.
Transmission Oil Cooler Failure
Occasional · high severityTypical onset: 60,000-90,000 mi
Symptoms: transmission overheating warnings, fluid leaks near front of transmission, sluggish shifting when hot, limp mode activation
Fix: Replace cooler assembly and flush contaminated fluid. Often discover metal debris in pan requiring full teardown. 8-12 labor hours if just cooler, 25-35 hours if internal damage occurred.
Estimated cost: $3,500-12,000
Transmission Mounts Deterioration
Common · medium severityTypical onset: 50,000-80,000 mi
Symptoms: clunking on gear changes, excessive vibration at idle in gear, harsh engagement into drive or reverse, visible sagging of transmission tail
Fix: Replace all transmission mounts (typically 2-3 depending on spec). Requires lifting powertrain slightly. 4-6 labor hours. OEM-only parts due to weight and tolerances.
Estimated cost: $2,200-3,800
Fuel Filter Housing Leaks and Clogging
Occasional · medium severityTypical onset: 40,000-70,000 mi
Symptoms: fuel smell in cabin or garage, rough idle and hesitation, long crank times, check engine light with fuel pressure codes, visible seepage around filter housing
Fix: Replace fuel filter assembly and housing seals. Access is tight requiring removal of underbody panels and sometimes exhaust heat shields. 3-5 labor hours.
Estimated cost: $1,800-2,900
N74 V12 Carbon Build-up and Piston Ring Issues
Rare · high severityTypical onset: 80,000-120,000 mi
Symptoms: excessive oil consumption (more than 1 qt per 1,000 mi), rough idle and misfires, blue smoke on cold start, loss of compression on multiple cylinders, oil fouling of spark plugs
Fix: Direct injection leads to carbon on intake valves; combined with ring wear causes oil burning. Walnut blasting helps temporarily but severe cases need engine-out rebuild with new pistons and rings. 60-80 labor hours for full rebuild.
Estimated cost: $25,000-45,000
ZF 8-Speed Shift Solenoid Pack Failure
Occasional · high severityTypical onset: 70,000-100,000 mi
Symptoms: harsh or delayed shifts, transmission stuck in one gear, check engine light with transmission fault codes, limp mode with only 3rd and 5th gear available
Fix: Replace mechatronic solenoid pack (valve body often comes as assembly). Transmission must be dropped or opened from underneath. 10-14 labor hours. Critical to use OEM parts and proper ATF.
Estimated cost: $5,500-8,500
Turbocharger Wastegate Actuator Sticking
Occasional · medium severityTypical onset: 60,000-90,000 mi
Symptoms: reduced power and sluggish acceleration, check engine light with boost control codes, audible fluttering or whooshing under load, overboost or underboost conditions
Fix: Clean or replace wastegate actuators on both turbos. Access requires removing intake components and heat shielding. 6-9 labor hours for both sides.
Estimated cost: $3,200-5,800
Buy only with comprehensive warranty or if you have a $15K annual repair budget — when it's good it's sublime, but V12 and bespoke parts make every repair a mortgage payment.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.