"Is the 7 Serisi 750li reliable, and what should you check?"
When buying a used BMW 7 Series 750Li 2019 (G11/G12), the most frequently mentioned issue is excessive oil consumption. Oil leaks (gaskets and hoses) are also commonly reported.
Engines available in this year
Engine varies by trim; verify the engine code on the listing.
Listed from most frequently reported, each with its source.
Excessive oil consumption
Often reported
Many users and technical reports indicate abnormal oil consumption in the 4.4 V8 N63 engine used in the 7 Series G11 LCI. The issue may appear after tens of thousands of kilometers, requiring frequent oil top-ups, and can cause blue smoke from the exhaust under certain conditions, risking engine damage.
Engine Internal
Oil leaks (gaskets and hoses)
Often reported
Frequent oil leaks are reported due to deteriorated gaskets and components: valve covers, oil filter housing, and turbocharger oil circuit hoses.
Engine Internal
PCV blockage and carbon buildup
Often reported
The crankcase ventilation system (PCV/CCV) can become clogged or fail, increasing internal pressure and causing oil vapors to enter the intake system, leading to carbon deposits on intake valves.
Engine Internal
Timing chain and guide wear
Often reported
The N63 engine family has historically shown wear issues in timing chain guides and tensioners. Typical symptom is a rattling noise when cold or on startup; as guides deteriorate, the chain can stretch and in extreme cases jump timing, causing engine damage.
Timing chain
Turbocharger failures and oil line blockage
Often reported
The N63 engine's hot-V layout exposes turbochargers to very high temperatures; oil passages and returns can become clogged or degraded, leading to coking, inadequate bearing lubrication, and turbo damage.
What should I look for when buying a BMW 7 Series 750Li?+
When buying a 2019 750Li, check the service history, perform a test drive, and inspect engine/transmission warnings. The most commonly reported issues are: excessive oil consumption; oil leaks (gaskets and hoses); PCV blockage and carbon buildup.
What are the chronic problems of the BMW 7 Series 750Li?+
The most commonly reported issues are: excessive oil consumption; oil leaks (gaskets and hoses); PCV blockage and carbon buildup.
Is the BMW 7 Series 750Li reliable?+
Instead of a simple yes or no, it's necessary to evaluate the proven pros and cons together. This page lists 5 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from Difetti fault database records; the source vehicle is verified for brand, fuel, engine, and generation match with the target vehicle. Topics with insufficient evidence are not shown.