- [1] BMW Service Inclusive — Die Leistungen (bmw.de, archived 15/04/2026)
BMW AG · DE · Germany · Section “Die Leistungen von BMW Service Inclusive” · Consultato il 08/10/2026
- [2] BMW model updates, autumn 2025
BMW Group · EN · Europe (German base data) · pp. 1–2 (more powerful 3.0-litre six-cylinder: 288 kW/392 hp, mild hybrid contribution 9 kW/12 hp, 540 Nm; BMW M240i xDrive Coupé consumption and CO2), p. 3 (overview table; start of production November or December 2025) · Consultato il 08/10/2026
- [3] BMW Media information 06/2020 — The new BMW 4 Series Coupé (press kit, long version)
BMW Group · EN · Europe (German base data) · p. 2–3 (model variants at launch), p. 13 (Dingolfing, launch October 2020), pp. 23–28 (engines, 48V mild hybrid, eight-speed Steptronic, xDrive) · Consultato il 08/10/2026
- [4] BMW Media information 06/2020 — Technical specifications, the new BMW 4 Series Coupé
BMW Group · EN · Europe (German base data) · 420i, 430i, M440i xDrive, 420d, 420d xDrive: output, torque, engine oil (oil change), performance, emission rating · Consultato il 08/10/2026
- [5] BMW Group Plant Dingolfing, 1 July 2020 — Start of production for new BMW 4 Series Coupé
BMW Group · EN · Europe (German base data) · p. 1 · Consultato il 08/10/2026
- [6] Specifications of the BMW 4 Series Coupé, valid from 03/2021
BMW Group · EN · Europe (German base data) · 420i to M440d xDrive Coupé: output, torque, engine oil (oil change), performance, emission rating · Consultato il 08/10/2026
- [7] BMW Media information 09/2020 — The all-new BMW 4 Series Convertible (press kit, long version)
BMW Group · EN · Europe (German base data) · pp. 2–3 (model variants), p. 4 (launch March 2021, Dingolfing), pp. 10–11 (panel bow soft top, 18 s, 50 km/h, boot 300/385 l) · Consultato il 08/10/2026
- [8] Specifications of the BMW 4 Series Convertible, valid from 03/2021
BMW Group · EN · Europe (German base data) · 420i, 430i, M440i xDrive, 420d Convertible: output, torque, engine oil (oil change), performance, emission rating · Consultato il 08/10/2026
- [9] BMW model upgrade measures for the summer of 2021 (press release)
BMW Group · EN · Europe (German base data) · Sections on the 4 Series Coupé (420i xDrive, 430i xDrive, rear-wheel-drive M440i from July 2021) and the 430d Convertible · Consultato il 08/10/2026
- [10] Specifications of the BMW 4 Series Coupé, valid from 07/2021
BMW Group · EN · Europe (German base data) · 420i xDrive, 430i xDrive and M440i Coupé: output, torque, engine oil (oil change), performance · Consultato il 08/10/2026
- [11] BMW model update measures as of autumn 2021 (press release)
BMW Group · EN · Europe (German base data) · Section “BMW 4 Series Convertible: two additional BMW M automobiles and a further all-wheel drive model” (from November 2021) · Consultato il 08/10/2026
- [12] BMW model update measures for spring 2023 (press release)
BMW Group · EN · Europe (German base data) · Section “BMW 4 Series and BMW M4 now with BMW Operating System 8 and BMW Curved Display” (March 2023) · Consultato il 08/10/2026
- [13] BMW Media information 01/2024 — Technical specifications, the new BMW 4 Series Coupé
BMW Group · EN · Europe (German base data) · 420i to M440d xDrive Coupé: output, torque, engine oil (oil change), performance, emission rating · Consultato il 08/10/2026
- [14] BMW Media information 01/2024 — Technical specifications, the new BMW 4 Series Convertible
BMW Group · EN · Europe (German base data) · 420i to M440d xDrive Convertible: output, torque, engine oil (oil change), performance, emission rating · Consultato il 08/10/2026
- [15] BMW 4er Coupé (G22) Betriebsanleitung, Sach-Nr. 01405A11254 – VI/20 (online copy)
BMW AG (online copy: Kfz-Handbuch.de) · DE · Germany · pp. 175–176 (Servicebedarf, Service Historie), 330–331 (Einfahren, Partikelfilter), 380–382 (Kraftstoff, AdBlue), 386–390 (Motoröl, Kühlmittel), 392–393 (CBS), 415–418 (Gewichte, Anhängelasten) · Consultato il 08/10/2026
- [16] BMW 4er Coupé (G22) Betriebsanleitung, Sach-Nr. 01405A9A824 – X/23 (online copy)
BMW AG (online copy: Kfz-Handbuch.de) · DE · Germany · pp. 353–354 (Kraftstoffqualität), 360–361 (Motorölsorten), 362 (Kühlmittel), 365 (Condition Based Service, Standzeiten) · Consultato il 08/10/2026
- [17] ADAC Autokatalog — BMW M440i Coupé xDrive Steptronic (10/20 - 01/24)
ADAC · DE · Germany · Technische Daten: Motorcode, Leistung, Drehmoment, Hubraum, Antriebsart, Nockenwellensteuerung, Modellstart/-ende, Schadstoffklasse; Rückrufe & Mängel · Consultato il 08/10/2026
- [18] ADAC Autokatalog — BMW M440i Coupé xDrive Steptronic (03/24 - 09/25)
ADAC · DE · Germany · Technische Daten: Motorcode, Leistung, Drehmoment, Hubraum, Antriebsart, Nockenwellensteuerung, Modellstart/-ende, Schadstoffklasse; Rückrufe & Mängel · Consultato il 08/10/2026
- [19] ADAC Autokatalog — BMW M440i Coupé xDrive Steptronic Sport (ab 09/25)
ADAC · DE · Germany · Technische Daten: Motorcode, Leistung, Drehmoment, Hubraum, Antriebsart, Nockenwellensteuerung, Modellstart/-ende, Schadstoffklasse; Rückrufe & Mängel · Consultato il 08/10/2026
- [20] ADAC Autokatalog — BMW M440i Cabrio Steptronic (11/21 - 01/24)
ADAC · DE · Germany · Technische Daten: Motorcode, Leistung, Drehmoment, Hubraum, Antriebsart, Nockenwellensteuerung, Modellstart/-ende, Schadstoffklasse; Rückrufe & Mängel · Consultato il 08/10/2026
- [21] BMW Technical training — B58 Engine
BMW of North America — Technical training (archive.org copy) · EN · USA · Information status April 2015 · §1.2 Modular design · §1.3 Technical data (engine oil specification) · §2.2.4 Chain drive · Consultato il 08/10/2026
- [22] BMW UK Technical data — 2 Series Coupé LCI [F22LCI]
BMW Group UK · EN · United Kingdom · Effective production week 44/2017 · engine type (B58B30M0, B47D20U0, B47D20O0, B47D20T0), gearbox, “Engine oil (filling quantity)” · M2 Coupé LCI · Consultato il 08/10/2026
- [23] BMW Technical specifications 07/2021 — BMW 2 Series Coupé (220i, M240i xDrive, 220d)
BMW Group · EN · Europe (ACEA) · pp. 1–6; “Engine oil”, footnote 2) “Oil change”; 48V mild hybrid output and battery (220d); consumption WLTP combined · Consultato il 08/10/2026
- [24] BMW 2er Coupé (G42) Betriebsanleitung, Sach-Nr. 01405A5E757 – VI/22 (online copy)
BMW AG (online copy: Kfz-Handbuch.de) · DE · Germany · pp. 157–158 (Servicebedarf), 260–261 (Einfahren, Partikelfilter), 278 (Segeln), 311–315 (Kraftstoff, AdBlue), 316–321 (Motoröl, Kühlmittel), 322–323 (CBS, Service Historie), 326–328 (Batterie, Mild-Hybrid), 347–351 (Gewichte, Anhängelasten) · Consultato il 08/10/2026
- [25] ADAC — BMW Série 3, fiche technique lci340i
ADAC · DE · Europe / Allemagne · Technische Daten : moteur, puissance, cylindrée, distribution et dates ; périmètre européen documenté. · Consultato il 08/10/2026
- [26] BMW 5er Limousine (G30) Betriebsanleitung, Sach-Nr. 01405A11307 – VI/20 (online copy)
BMW AG · DE · Germany · pp. 405–406: Motorölsorten zum Nachfüllen, geeignete und alternative Motorölsorten, Viskositätsklassen (Fußnote zu Longlife-12 FE und Dieselmotoren 25d/35d/40d/50d) · Consultato il 08/10/2026
- [27] BMW 4er Cabrio (G23) Betriebsanleitung, Sach-Nr. 01405A9A8D8 – X/23 (online copy)
BMW AG (online copy: Kfz-Handbuch.de) · DE · Germany · pp. 106–110 (Verdeck: Hinweise, Funktionsvoraussetzungen, manuelles Schließen), 389 (Verdeck reinigen und imprägnieren) · Consultato il 08/10/2026