Mar 12, 2026Engine
Oil pressure pump failure. MANY MODELS AFFECTED. MAINLY B58 ENGINES
NHTSA ODI 11723748
Home · 2018 BMW 7 Series Hybrid Sedan · Complaints
What 7 owners told NHTSA about the 2018 BMW 7 Series Hybrid Sedan
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
2 of 7 complaints match · Engine · clear filters
Feb 14, 2023Engine
Apparently BMW models like mine have been having the coolant expansion tanks leaking between 60 and 70 thousand miles. This causes the coolant levels to drop and causes engine failures.
NHTSA ODI 11507195
Working with the data? Download all 7 complaints as CSV · fetched from NHTSA July 19, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2018 BMW 7 Series Hybrid Sedan verdict →