The 2021 BMW 7 Series is a full-size luxury sedan built to deliver flagship comfort, advanced tech, and strong performance in a classic executive-car shape. It’s ideal for drivers who want a quiet, powerful highway cruiser with premium materials, available rear-seat luxury features, and a prestige badge. The 2021 model continues the sixth-generation 7 Series (G11/G12), which received a major refresh for 2020 with updated styling and technology. In the market, it competes directly with the Mercedes-Benz S-Class, Audi A8, and Lexus LS, with an emphasis on driving dynamics and high-end options.

1) Multiple powertrains, including turbocharged six- and eight-cylinder options: the 740i uses a 3.0L turbo inline-six, the 750i features a 4.4L twin-turbo V8, and the performance-oriented M760i pairs a 6.6L twin-turbo V12 with effortless acceleration. 2) Available xDrive all-wheel drive on many trims for improved all-weather traction, plus standard rear-wheel drive availability for traditional BMW handling feel. 3) Executive-level comfort and cabin tech, including available multi-contour heated/ventilated/massaging seats, premium leather and wood trims, and an exceptionally quiet ride designed for long-distance cruising. 4) High-end infotainment and driver assistance availability, including BMW iDrive with a large center display, navigation, and a suite of optional safety systems such as adaptive cruise control, lane-keeping assistance, and surround-view cameras. 5) Long-wheelbase variants (often labeled “Li” in some markets) and rear-seat luxury options can transform the 7 Series into a chauffeur-friendly sedan with enhanced rear legroom and comfort features.

Shoppers researching 2021 BMW 7 Series reliability should know this is a complex flagship sedan: it can be dependable with consistent maintenance, but repairs tend to be expensive and some issues show up more often than on simpler vehicles. Commonly discussed 2021 BMW 7 Series problems and complaints include: 1) Cooling system leaks and related warnings: Some owners report coolant loss, coolant smell, or low-coolant messages, sometimes appearing around 30,000–60,000 miles. On BMWs, leaks can come from hoses, plastic fittings, or components within the cooling system, and catching small leaks early helps avoid overheating damage. 2) Oil leaks or oil consumption concerns: Seepage from gaskets and seals can occur as mileage climbs (often 40,000 miles and up). While not every car experiences it, any sign of oil odor, smoke near hot components, or residue under the engine should be inspected promptly. 3) Air suspension and ride-height faults (on models equipped with air suspension): The 7 Series can use advanced suspension hardware that delivers excellent ride quality, but air springs, compressors, or sensors may trigger warnings or uneven stance, sometimes in the 50,000–80,000-mile range depending on climate and road conditions. 4) Electronics and driver-assistance glitches: As a tech-heavy sedan, occasional complaints include iDrive screen or camera faults, intermittent sensor warnings, battery-related messages, or connectivity issues. These can be simple software updates, but diagnosing them can be time-consuming if the fault is intermittent.