F30 / F31 · 2015–2019

BMW 320i F30 / F31 · 184 PS · B48B20A (2015–2019)

The 320i produces 135 kW (184 PS) with the 1998 cc B48B20A engine. This page covers 2015–2019. The LCI 320i switches to the 1,998 cc B48 while retaining 184 PS. BMW’s May 2015 sheet distinguishes 290 Nm for the manual rear-wheel-drive car and 270 Nm for automatic or xDrive: torque depends on configuration.

Choose an engine

Identify the car and prepare its maintenance

Technical specifications

Fuel
Petrol
Power
184 PS / 135 kW
Displacement
1 998 cm³
Engine code
B48B20A
Period covered
2015–2019
Documented market
Europe

Transmission

  • Manual · 6 speeds
  • Automatic · 8 speeds

Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.

Specification source :

Identity and distinguishing features

The 320i produces 135 kW (184 PS) with the 1998 cc B48B20A engine. This page covers 2015–2019. Shared page for the F30 Saloon and F31 Touring with matching engine and output. Dates combine both bodies; availability can vary by country and gearbox. The LCI 320i switches to the 1,998 cc B48 while retaining 184 PS. BMW’s May 2015 sheet distinguishes 290 Nm for the manual rear-wheel-drive car and 270 Nm for automatic or xDrive: torque depends on configuration.

Source : [13] [17] [1] [10] [11] [12] [15] [14] [18] [19]

Engine oil

BMW’s published oil-change quantity is 5.25 l. This is a service quantity, not an amount to pour in as a top-up: check the level after filling. For petrol top-ups the F31 handbook lists BMW Longlife-01, Longlife-01 FE or Longlife-04 and SAE 0W-40, 0W-30, 5W-40 or 5W-30. Match the approval to the engine and market; viscosity alone is insufficient. No additives. The II/2016 handbook adds FE approvals: Longlife-12 FE, and Longlife-14 FE+ for certain petrol engines only. It also restricts diesel Longlife-12 FE and 0W-20/5W-20 grades to certain engines. These oils are not universally interchangeable: confirm the VIN-specific approval before an oil change.

Source : [13] [2] [6] [7]

Maintenance and CBS deadlines

CBS calculates deadlines from use; read distance and date under Vehicle information → Vehicle status → Service requirements. Oil, front and rear pads, brake fluid and vehicle check are separate items. This handbook does not set a universal oil mileage or a numeric brake-fluid interval here. The F31 handbook’s service table specifies oil, oil filter and air-conditioning microfilter at every oil service; spark plugs and air filter at every second oil service. Change the air filter sooner in dusty conditions. That table describes the early F31 handbook. For this later or hybrid version, verify the linked-service counter by VIN: the II/2016 handbook confirms CBS but does not reproduce the table or independently establish identical plug and filter frequencies for every version.

Source : [3] [4] [9] [8]

Timing drive

Chain-driven timing. The consulted BMW maintenance table contains no periodic chain replacement: do not assign this engine a belt interval. Noise or a timing fault calls for diagnosis, not simply a CBS reset.

Source : [17] [3] [4]

Documented faults and recalls

ADAC’s 3 Series list includes starter-relay corrosion with a fire risk (August 2026) and the driver-airbag inflator (September 2024). These campaigns span multiple models and periods: only a VIN check and completed-work history establish applicability.

Source : [16]

Prepare the service

Bring the VIN, build month, B48B20A code and 135 kW rating. Record CBS dates and counters, previous oil services and filter changes; bring the key used for the last journey. Have the oil and work itemised on the invoice and the service recorded. Report storage with the battery disconnected so time-based deadlines can be corrected.

Source : [3] [8] [13]

Maintenance and records

Oil and oil filter

At the CBS deadline

Replace oil and filter. The engine page gives quantity and approvals; check the final level.

Source [3]

Filters and plugs linked to the service

Verify the counter and VIN-specific service plan

Plan the microfilter and air filter, plus petrol spark plugs or diesel fuel filter. Every-second-oil-service frequency is documented in the early handbook; confirmation is needed for this later or hybrid version.

Source [4]

Front and rear brakes

Separate wear-based CBS items

Replace pads when due, check disc thickness and condition, and inspect the rear parking brake.

Source [4]

Brake fluid

At the date shown by CBS

Renew the fluid and check parking-brake function. The consulted handbook gives no universal numeric interval.

Source [4]

Vehicle check

At the CBS vehicle-check deadline

Check lights, belts, tyres, fluid levels, brake lines, underbody and steering; perform the specified functional road test.

Source [4]

Questions about this version (5)

Which engine powers this 184 PS 320i?

The 320i produces 135 kW (184 PS) with the 1998 cc B48B20A engine. This page covers 2015–2019. Shared page for the F30 Saloon and F31 Touring with matching engine and output. Dates combine both bodies; availability can vary by country and gearbox.

Source : [13] [17] [1] [10] [11] [12] [15] [14] [18] [19]

How much oil does this B48B20A 320i take?

BMW’s published oil-change quantity is 5.25 l. This is a service quantity, not an amount to pour in as a top-up: check the level after filling. For petrol top-ups the F31 handbook lists BMW Longlife-01, Longlife-01 FE or Longlife-04 and SAE 0W-40, 0W-30, 5W-40 or 5W-30. Match the approval to the engine and market; viscosity alone is insufficient. No additives. The II/2016 handbook adds FE approvals: Longlife-12 FE, and Longlife-14 FE+ for certain petrol engines only. It also restricts diesel Longlife-12 FE and 0W-20/5W-20 grades to certain engines. These oils are not universally interchangeable: confirm the VIN-specific approval before an oil change.

Source : [13] [2] [6] [7]

Which filters or plugs should I plan for this 320i?

The F31 handbook’s service table specifies oil, oil filter and air-conditioning microfilter at every oil service; spark plugs and air filter at every second oil service. Change the air filter sooner in dusty conditions. That table describes the early F31 handbook. For this later or hybrid version, verify the linked-service counter by VIN: the II/2016 handbook confirms CBS but does not reproduce the table or independently establish identical plug and filter frequencies for every version.

Source : [3] [4] [9] [8]

What distinguishes this 184 PS 320i?

The LCI 320i switches to the 1,998 cc B48 while retaining 184 PS. BMW’s May 2015 sheet distinguishes 290 Nm for the manual rear-wheel-drive car and 270 Nm for automatic or xDrive: torque depends on configuration.

Source : [13] [17] [1] [10] [11] [12] [15] [14] [18]

Does this B48B20A 320i have a timing belt to replace?

Chain-driven timing. The consulted BMW maintenance table contains no periodic chain replacement: do not assign this engine a belt interval. Noise or a timing fault calls for diagnosis, not simply a CBS reset.

Source : [17] [3] [4]

Documentary sources

  1. [1] MANN-FILTER — catalogue voitures 2020/21

    MANN-FILTER · DE · Europe / marchés ACEA · Pages imprimées 36–37 : BMW 328i F30/F31 et 3 (F30/F31/F80), codes moteur et puissances. Dates de filtrage non assimilées à des dates commerciales. · Accessed 08/10/2026

  2. [2] BMW F31 — notice, huile moteur

    BMW AG (notice reproduite par kfz-handbuch.de) · DE · Europe / Allemagne · Pages 201–202 : Ölsorten zum Nachfüllen, normes et viscosités. Appoint, pas un tableau de toutes les huiles pour chaque VIN. · Accessed 08/10/2026

  3. [3] BMW F31 — notice, entretien et huile

    BMW AG (notice reproduite par kfz-handbuch.de) · DE · Europe / Allemagne · Page 204 : CBS, clé, immobilisation, historique ; huile, filtre, microfiltre ; bougies toutes les deux vidanges. · Accessed 08/10/2026

  4. [4] BMW F31 — notice, filtres et freins

    BMW AG (notice reproduite par kfz-handbuch.de) · DE · Europe / Allemagne · Pages 205–206 : filtre gazole et air toutes les deux vidanges ; freins, liquide de frein et contrôle véhicule. · Accessed 08/10/2026

  5. [5] BMW F31 — notice, contrôle du véhicule

    BMW AG (notice reproduite par kfz-handbuch.de) · DE · Europe / Allemagne · Page 206 : direction, essai routier et service. · Accessed 08/10/2026

  6. [6] BMW F30/F31 — notice II/2016, huile

    BMW AG (notice reproduite par kfz-handbuch.de) · DE · Europe / Allemagne · Pages 226–227 : appoint, Longlife-01/01 FE/04/12 FE/14 FE+ ; restrictions selon moteur et viscosité. Réf. 01 40 2 970 065. · Accessed 08/10/2026

  7. [7] BMW F30/F31 — notice II/2016, restrictions d’huile

    BMW AG (notice reproduite par kfz-handbuch.de) · DE · Europe / Allemagne · Page 227 : Longlife-12 FE diesel et viscosités 0W-20/5W-20 seulement pour certains moteurs ; vidange. · Accessed 08/10/2026

  8. [8] BMW F30/F31 — notice II/2016, CBS

    BMW AG (notice reproduite par kfz-handbuch.de) · DE · Europe / Allemagne · Page 230 : usage, données de service dans la clé, batterie débranchée, historique. Pas de tableau chiffré complet par motorisation. · Accessed 08/10/2026

  9. [9] BMW F30/F31 — notice II/2016, affichage du service

    BMW AG (notice reproduite par kfz-handbuch.de) · DE · Europe / Allemagne · Page 89 : distance/date, Infos véhicule > État du véhicule > Besoin de service. · Accessed 08/10/2026

  10. [10] ADAC — BMW Série 3 2012–2018 diesel, bilan occasion

    ADAC · DE · Europe / Allemagne · Pages 2–3 : défauts/rappels et histoire ; fin F30 10/2018, F31 06/2019. Les coûts à 30 000 km/24 mois ne sont pas une règle CBS universelle. · Accessed 08/10/2026

  11. [11] ADAC — gamme F30/F31 restylée

    ADAC · DE · Europe / Allemagne · Liste des versions : 330e iPerformance 03/2016–06/2018, 325d 224 ch 03/2016–02/2018 et évolution des finitions. · Accessed 08/10/2026

  12. [12] BMW — présentation F30/F31 restylées, 07/05/2015

    BMW Group · EN · Europe / marchés ACEA · Nouveaux moteurs modulaires essence et diesel ; 318i, 320i, 330i, 340i, 316d/318d/320d. Ne concerne pas le F34. · Accessed 08/10/2026

  13. [13] BMW — F30/F31 restylées, caractéristiques 05/2015

    BMW Group · EN · Europe / marchés ACEA · 36 pages : moteurs, puissances, couples, boîtes et Engine oil (Oil change), berline et Touring. 325d encore 160 kW ; N57 : 6,5 l. · Accessed 08/10/2026

  14. [14] BMW — 320i EfficientDynamics Edition, 11/2012

    BMW Group · EN · Europe / marchés ACEA · 2 pages : 125 kW/170 ch, 1 598 cm³, 250 Nm, huile de vidange 4,7 l, berline manuelle au lancement. · Accessed 08/10/2026

  15. [15] BMW — 320i berline, fiche 03/2012

    BMW Group · EN · Europe / marchés ACEA · 2 pages : 135 kW/184 ch, 1 997 cm³, 270 Nm, huile de vidange 5,75 l. · Accessed 08/10/2026

  16. [16] ADAC — BMW Série 3, fiche technique adacpre-0

    ADAC · DE · Europe / Allemagne · Technische Daten 316i : N13B16A, chaîne. Liste Rückrufe & Mängel de toute la gamme : démarreur 08/2026, airbag 09/2024, EGR 07/2019, pompe à vide 10/2013 ; vérifier le VIN. · Accessed 08/10/2026

  17. [17] ADAC — BMW Série 3, fiche technique adaclci-14

    ADAC · DE · Europe / Allemagne · Technische Daten : moteur, puissance, cylindrée, distribution et dates ; périmètre européen documenté. · Accessed 08/10/2026

  18. [18] ADAC — 320i EfficientDynamics Edition Steptronic 03/2013–06/2015

    ADAC · DE · Europe / Allemagne · Motor und Antrieb : N13B16A, 125 kW/170 PS, boîte automatique 8 rapports. · Accessed 08/10/2026

  19. [19] BMW Italia — F31 Touring, tarif pour production dès 01/03/2019

    BMW Group Italia · IT · Europe / Italie · Pages 3–4 : gamme et caractéristiques, dont 320d EfficientDynamics 120 kW/163 ch ; 318i/320i/340i, 316d/318d/320d/330d/335d ; diesel SCR. · Accessed 08/10/2026

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