BMW 8 Series G15 Buyer’s Guide (2018-2026) Common faults and reliability (Used BMW 8 series review)

BMW 8 Series has now been discontinued and so our buyers guide review for reliability in years 2018-2026 can help if you want to buy a used one. Covering the 3.0 Turbo B58 840i and 840d 3.0-Litre Turbo diesel B57, V8 BMW 8 Series M850i and the M8 and M8 Competion. Avoid buying a broken BMW 8 series and find out what makes it a good car. Avoid 8 series bMW common problems that are expensive to maintain and find the used BMW 8 series that is right for you both on back roads and commutes. The latest BMW 8 series G15 and 8 Seires Gran Coupe G16 model uses the same CLAR platforms as the 7 series series making them feel closer aligned. If you have already bought a BMW 8 series G15 our guide can help pinpoint some common reliability issues to check. Avoid the mistake of buying a 2026 BMW 8 series used with common reliability faults as a project and attempting to fix it without knowing how much it costs. This buyer's guide covers 2018 BMW 8 series, 2019 BMW 8 series, 2020 BMW 8 series, 2021 BMW 8 series, 2022 BMW 8 series, 2023 BMW 8 series, 2024 BMW 8 series, 2025 BMW 8 series and 2026 BMW 8 series. All trims from 840i and 840d Xdrive, plus the M850i and the M8 Competition. Owners of the BMW 8 series will also find our guide useful for its common problems and faults. The issues discussed in our buyer's guide to the reliability of BMW 8 series include software faults, differential issues, and maintenance. If you have previously bought or sold a BMW 6 Series or 7 series why not add a comment below about your experience. ➡️➡️➡️ 📖 -- 🟡 Miles Driven book 🟢 - https://amzn.to/47NeoC2 If you want to support The Miles Driven check out the products below 😁 👕 -- Merch Shop - https://themilesdriven.myspreadshop.com/ For our podcasts search 'the miles driven' wherever you get your podcasts. Link to full podcast episodes - https://linktr.ee/themilesdriven To find out more about The Miles Driven, check us out on social or leave us a comment down below on what you think is best. www.themilesdriven.com https://www.instagram.com/themilesdriven/ https://linktr.ee/themilesdriven Legal and disclaimer - Any content not originally created by The Miles Driven remains the property of the original owner and is editorialised for media reporting. All content is used within the confines of media reporting/editorial use and is transformative in nature to inform others with new information and content about cars and vehicles. We use no more of the original content than necessary in alignment with U.S copyright law for fair use and U.K fair dealing. We accept no liability for the purchase of vehicles using our guide and suggest thorough due diligence by individual professional inspections before making a buying decision. BMW 8 series running costs and reliability as well as common faults and what to know before you buy.

Added 7 Sept 2026