Used BMW 5 Series Buying Guide
The BMW 5 Series has been the default executive saloon for decades, and on the used market it offers extraordinary breadth: everything from frugal diesel motorway tools to plug-in hybrids and silky six-cylinder cruisers. UK buyers will mostly encounter the F10 generation (2010-2017), the G30 (2017-2023) and the newer G60 (2023 on), plus Touring estates of each. It suits high-mileage drivers, families who want an estate that drives properly, and anyone stepping up to their first proper executive car.
Engines and trims
The 520d 2.0-litre diesel is by far the most common and, in G30 form with the B47 engine and mild-hybrid assistance on later cars, it’s an outstanding all-rounder. The 530d straight-six diesel is the connoisseur’s long-distance choice, effortless and efficient. Petrol options include the 520i and 530i fours and the 540i six, while the 530e plug-in hybrid is plentiful thanks to company-car tax rules and makes sense if you can charge at home. The G60 generation adds the all-electric i5. Trims are essentially SE and M Sport, with M Sport carrying the styling kit and firmer suspension most buyers prefer. Desirable options include adaptive dampers, the Technology package, heated everything and a head-up display. Touring estates carry a modest premium but add self-levelling rear suspension and huge practicality, and the 540i xDrive is a quiet star for those stepping away from diesel.
What to check before buying
On F10-era 520d models, the earlier N47 engine has the well-known timing chain weakness - a metallic rattle from the rear of the engine is a deal-breaker. Later B47 cars are far stronger, but confirm the EGR cooler recall has been carried out on diesels of the mid-2010s. Check for swirl-flap and turbo-related issues on older high-mileage diesels, and on all automatics make sure the ZF eight-speed shifts cleanly; a fluid service at higher mileages is a plus point in the history.
On 530e hybrids, check the electric range achieved against expectations, that the charging kit is present, and that battery-related recall work is documented. G30 cars are generally robust, but test every electronic system - these are gadget-dense cars and fixing sensors and modules is not cheap. Air suspension on Touring rear axles should sit level and not sag overnight. Suspension bushes, drop links and front control arms are routine wear items on higher-mileage cars, so listen for knocks over speed bumps and factor a refresh into your offer if needed. A stamped, ideally digital BMW service record is essential at this level - many 5 Series were company cars, and the good ones can prove it.
Running costs
Diesel 5 Series remain some of the cheapest big cars to run per mile, with the 520d typically returning excellent economy on a motorway diet. Insurance sits in mid-to-upper groups depending on engine, and while consumables are larger and pricier than a 3 Series, independent specialist servicing keeps ownership sensible. The 530e offers very low fuel costs for short-commute drivers who charge regularly, but delivers little benefit if never plugged in.
Verdict
Few used cars blend comfort, handling and economy as convincingly as a 5 Series. Buy a well-documented B47 diesel or a 530e that suits your commute, avoid neglected early N47 cars, and you’ll have executive travel at a fraction of its original cost.
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