THinking of buying an used F36 (420), how reliable are they? - Reddit
...As for reliability, since this is a LCI, it has the updated B47 in it. The B47 doesn't really have any issues to note, to be honest. It's a absolute gem of an engine. The torque, the fuel economy, the smoothness, plus the auto transmission makes this arguably the best daily driver here. You can't go wrong with a 20d OP. You'll see 200k in no time....
https://www.reddit.com/r/BMW/comments/skc74d/thinking_of_buying_an_used_f36420_how_reliable/
Used BMW 4 Series - 2013-2020 Reliability & Common Problems
...What to look for when buying a BMW 4 Series 2013 - 2020, covering common problems to check for and overall vehicle reliability....
https://www.whatcar.com/bmw/4-series/coupe/used-review/n847/reliability
420d GC purchase - things to consider? | BMW Forums : BimmerForums
...I've looked into the auto gearbox reliability and plan on booking it in for a full service as I know that the manufacturer recommends one at c60k miles. The car has FSH and has covered mainly motorway miles....
https://www.bimmerforums.co.uk/threads/420d-gc-purchase-things-to-consider.596762/
Common problems with BMW 420d [ Detailed Answer ]
...Common problems with the BMW 420d are clogged DPF & EGR valves, faulty EGR coolers, crankshaft position sensor issues, and premature engine crank failure. Furthermore, other owners have reported having faulty adjustable rear suspension, EGR system leaks, automatic transmission problems, and faulty air conditioners....
https://luxurycarsa2z.com/common-problems-with-bmw-420d/
BMW 4 Series Gran Coupe [F36] (2014 - 2020) used car review
...The first generation 'F36'-series version of BMW's 4 Series Gran Coupe, sold between 2014 and 2020, offers a flexibly stylish choice in the mid-sized executive segment. For once, two rear doors don't compromise the visual appeal of a model of this kind, nor does their extra weight dilute the handling purity....
https://www.rac.co.uk/drive/car-reviews/bmw/4-series-gran-coupe/4-series-gran-coupe-[f36]-2014-2020/
bmw 420d - Comprar usados Carros | Carros a venda - OLX Portugal
...BMW 420 Gran Coupé d Line Luxury Auto 16.950 ? Oeiras E São Julião Da Barra, Paço De Arcos E Caxias - 02 de junho de 2025 2015 - 265.000 km...
https://www.olx.pt/carros-motos-e-barcos/carros/q-bmw-420d/
Remanufactured BMW 420d Engine Durability: How Long Will It Really Last?
...A remanufactured BMW 420d engine balances cost and reliability beautifully, giving you peace of mind without breaking the bank. So, if you?re weighing up options to replace a faulty or defected engine, this could be the sweet spot between value and longevity, especially when sourced from trusted UK suppliers....
https://www.buyengines.co.uk/blog/remanufactured-bmw-420d-engine-durability-how-long-will-it-really-last/
BMW 4 Series Gran Coupe (2014 ? 2020) Review - Honest John
...The 420i xDrive Gran Coupe costs from £30,960 OTR. The new BMW 430d Gran Coupe is available in both rear and four-wheel-drive form. The straight six-cylinder diesel engine develops 258hp and is mated to an eight-speed Sport automatic transmission on both models....
https://www.honestjohn.co.uk/bmw/4-series/gran-coupe/2014/
Ficha Técnica de BMW F36 4 Series Gran Coupe 420d IUC, ISV
...Ficha Técnica de BMW F36 4 Series Gran Coupe 420d 2015, 2016 190 cv, IUC, ISV, Gasóleo, Consumo médio l/100, Comprimento 463.8cm, Largura 182.5cm, Altura 138.9cm, Peso 1595kg...
https://www.ultimatespecs.com/pt/car-specs/BMW/72002/BMW-F36-4-Series-Gran-Coupe-420d.html
2015 BMW 420d Gran Coupé - Ficha Técnica e Desempenho (F36)
...Ficha técnica da 2015-2021 actualizado BMW 420d Gran Coupé (F36) 5 porta coupé. Encontrar & comparar desempenho, praticidade, chassis, travões, velocidade máxima, aceleração, suspensão, motor, pesos, bagagem & mais....
https://www.encycarpedia.com/pt/bmw/15-420d-gran-coupe