F22/F23 · 2017–2021
The 230i delivers 185 kW: Coupé from 07/2017, Convertible from 07/2017. It carries over the engine of the pre-facelift 230i.
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [3] BMW Group [4] BMW Group
1,998 cc four-cylinder petrol (B48B20B at ADAC, B48B20O0 in BMW UK’s 2017 technical data): 185 kW and 350 Nm. Eight-speed Steptronic only. Coupé 07/2017–07/2021, Convertible 07/2017–07/2021 (ADAC production dates). 0–100 km/h: Coupé 5.6 s (automatic), Convertible 5.9 s (automatic) (BMW specification tables valid from 07/2017).
Oil change: 5.25 l (BMW specification tables valid from 07/2017; BMW UK technical data from production week 44/2017). BMW’s Coupé handbook (VI/18) approves BMW Longlife-04 and Longlife-12 FE, SAE 0W-20, 5W-20, 0W-30, 5W-30, 0W-40 or 5W-40; failing that, up to 1 litre of ACEA C2 or C3. No additives. The level is measured electronically; BMW asks for a detailed measurement after every refuelling.
The car calculates each due date (Condition Based Service): the distance or time left appears briefly when the ignition is switched on, details are in the vehicle status menu, and the data is also stored in the key. BMW Service Inclusive lists the items it triggers: oil service with filter, vehicle check, air filter, microfilter, spark plugs and brake fluid. Brake fluid is time-based; periods with the battery disconnected are not counted, so have the workshop update it. BMW’s handbook gives no mileage for any item.
Chain (ADAC: “Steuerkette”). The B48 is not described in the BMW training documents we found; for its siblings of the same modular family (B38/B46), BMW places the two-part chain drive on the transmission side. No scheduled replacement in the documents consulted: a repair item, not maintenance.
Before the appointment, note 5.25 l of oil and an approved grade (Longlife-04 or Longlife-12 FE). Hand the advisor the key last used: BMW stores the service data in it. Note the build month (registration document or VIN plate): ADAC lists a BMW recall of February 2026 for cars built 05/2020–10/2024 (deposits in the starter relay, fire risk; starter replaced). Have BMW check your VIN. Ask for a printout of the due items: BMW gives no mileage for them.
Due date calculated by CBS
Oil change at the date the car displays; do not run past it. Top-up: BMW Longlife-04 or Longlife-12 FE, SAE 0W-20, 5W-20, 0W-30, 5W-30, 0W-40 or 5W-40. If none is available, up to 1 litre of an ACEA C2 or C3 oil. No additives.
Source [6]Detailed measurement after every refuelling
BMW asks for a detailed measurement after every refuelling: standing, car level, engine warm and idling. Monitoring while driving gives a value after about 30 minutes. Add oil only when a message asks, in the quantity shown; do not overfill.
Source [6]As the car’s service requirement dictates
BMW lists as regular, CBS-triggered services: oil service with filter, vehicle check to BMW specifications, air filter, microfilter, spark plugs and brake fluid. No mileage is given for any of them.
Source [7]Calendar-based (CBS)
Counted in time, not kilometres. Periods with the battery disconnected are not counted: have the workshop update the time-based items (brake fluid, and where applicable oil and microfilter). The handbook does not state the period.
Source [6]Regular check, engine cold
Engine cold, level between Min and Max: marks on the side of the tank or yellow marks in the filler neck depending on the engine (loosen the cap first to release pressure). Close until it clicks with the arrows aligned, and have any loss traced. Additives: ask the workshop.
Source [6]Same engine family (B48); same 185 kW and 350 Nm; same 5.25 l of oil; automatic only against manual or automatic (BMW tables).
5.25 l at an oil change (BMW specification tables valid from 07/2017; BMW UK technical data from production week 44/2017). Approved top-up grades: Longlife-04 or Longlife-12 FE; the handbook remains the reference.
ADAC lists Euro 6c (NEDC) for 07/2017–02/2018. Your registration document gives yours.
BMW Group · EN · Europe · Sections “BMW M Performance models of the BMW 1 Series and BMW 2 Series” (M140i) and “New four-cylinder petrol engine for eight models” (120i, 125i), from July 2016 · Accessed 08/10/2026
BMW of North America — Technical training (archive.org copy) · EN · USA · Information status June 2014 · §1 (B38/B46, “Bx8”) · §2.2.7 Chain drive, Bx8 engines (pp. 57–58) · Accessed 08/10/2026
BMW Group · EN · Europe (ACEA) · pp. 2–3 (launch July 2017, Leipzig, soft-top up to 50 km/h), pp. 4–6 (bi-LED headlights, LED rear lights, instrument panel), pp. 7–8 (engines, gearboxes, xDrive), p. 12 (M240i, M2) · Accessed 08/10/2026
BMW Group · EN · Europe (ACEA) · Valid from 7/2017 · Coupé: 218i pp. 1–2, 220i/230i, M240i, M240i xDrive, 218d, 220d/220d xDrive, 225d; Convertible: 218i, 220i/230i, M240i, M240i xDrive, 218d, 220d, 225d (“Engine oil — oil change volume”) · Accessed 08/10/2026
BMW Group UK · EN · United Kingdom · Effective production week 44/2017 · engine type (B38B15M0, B48B20M0, B48B20O0, B58B30M0, B47D20U0, B47D20O0, B47D20T0), gearbox, “Engine oil (filling quantity)” · Accessed 08/10/2026
BMW AG (copy hosted by kfz-handbuch.de) · DE · Germany · deutsch VI/18 · pp. 132–133 (Servicebedarf, Service Historie) · p. 203 (Mikrofilter) · pp. 270–273 (Motoröl, Elektronische Ölmessung, Motorölsorten) · pp. 274–275 (Kühlmittel) · pp. 276–277 (BMW Wartungssystem, CBS) · Accessed 08/10/2026
BMW AG · DE · Germany · Section “BMW Service Inclusive für Neuwagen und Junge Gebrauchte” (list of CBS-triggered services) · Accessed 08/10/2026
ADAC · DE · Germany · Model groups: Coupé (F22) 2017–2021, M Performance Coupé, M2 / M2 CS Coupé (F87), Cabrio (F23) 2017–2021, M Performance Cabrio; Coupé model list with kW/PS and production dates · Accessed 08/10/2026
ADAC · DE · Germany · Technische Daten: Motorcode, Leistung, Drehmoment, Hubraum, Modellstart/-ende, Getriebe, Schadstoffklasse, Nockenwellensteuerung · Rückrufe · Accessed 08/10/2026
ADAC · DE · Germany · Technische Daten: Motorcode, Leistung, Drehmoment, Hubraum, Modellstart/-ende, Getriebe, Schadstoffklasse, Nockenwellensteuerung · Rückrufe · Accessed 08/10/2026
ADAC · DE · Germany · Technische Daten: Motorcode, Leistung, Drehmoment, Hubraum, Modellstart/-ende, Getriebe, Schadstoffklasse, Nockenwellensteuerung · Rückrufe · Accessed 08/10/2026
ADAC · DE · Germany · Technische Daten: Motorcode, Leistung, Drehmoment, Hubraum, Modellstart/-ende, Getriebe, Schadstoffklasse, Nockenwellensteuerung · Rückrufe · Accessed 08/10/2026