BMW automotive engine families listed as B38. Specifications below retain the source's separate family and variant labels.
Family specifications
B38 engine
| Field | Reported value |
|---|---|
| Manufacturer | BMW |
| Production | 2013–present |
| Configuration | Straight-3 |
| Displacement | 1.2 L (1,198 cc) 1.5 L (1,499 cc) |
| Cylinder bore | 78 mm (3.1 in) 82 mm (3.2 in) |
| Piston stroke | 83.6 mm (3.29 in) 94.6 mm (3.72 in) |
| Valvetrain | DOHC |
| Compression ratio | 11:1 |
| Turbocharger | Single-scroll |
| Fuel system | Direct injection |
| Fuel type | Gasoline |
| Predecessor | BMW N13 |
Variant specifications
Models
| Engine | Displacement | Power | Torque | Years |
|---|---|---|---|---|
| B38A12U0 | 1,198 cc (73 cu in) | 55 kW (74 bhp) at 4,000 rpm | 150 N⋅m (111 lb⋅ft) at 1,400–4,000 rpm | 2014– |
| B38A12U0 | 1,198 cc (73 cu in) | 75 kW (101 bhp) at 4,250 rpm | 180 N⋅m (133 lb⋅ft) at 1,400–4,000 rpm | 2014– |
| B38A15M0 / B38B15M0 | 1,499 cc (91 cu in) | 100 kW (134 bhp)–116 kW (156 bhp) at 4,400–6,000 rpm | 220 N⋅m (162 lb⋅ft)–230 N⋅m (170 lb⋅ft) at 1,250–4,300 rpm | 2014–2018 |
| B38K15T0 | 1,499 cc (91 cu in) | 170 kW (228 bhp) at 5,800 rpm | 320 N⋅m (236 lb⋅ft) at 3,700 rpm | 2013– |
| B38A15M1 / B38B15M1 (improvement of B38A15M0) | 1,499 cc (91 cu in) | 104 kW (139 bhp) at 4,400–6,000 rpm | 220 N⋅m (162 lb⋅ft) at 1,250–4,300 rpm | 2018– |
Recorded vehicle applications
B38A12U0
55 kW (74 hp) version:
- 2014–2024 F55/F56 Mini One First
75 kW (101 hp) version:
- 2014–2018 F55/F56 Mini One
B38A15M0 / B38B15M0 (B38A15M1/B38B15M1 for post-2018 manufactured engines)
75 kW (101 hp) version:
- 2015–2021 BMW F45/F46 216i Active Tourer / Gran Tourer
- 2018–2024 F55/F56 Mini One
80 kW (107 hp) version:
- 2015–2019 BMW F20/F21 116i
100 kW (134 hp) version (104kW (141bhp) for post-2018 manufacture)
- 2015–2019 BMW F20/F21 118i
- 2015–2021 BMW F22/F23 218i coupe / convertible
- 2014–2021 BMW F45/F46 218i Active Tourer / Gran Tourer
- 2015–2019 BMW F30/F31 318i LCI
- 2015–2021 BMW F48 X1 sDrive18i
- 2014–present Mini F55/F56/F57 Cooper
- 2015–2019 Mini F54 Clubman
- 2017–present Mini F60 Countryman
- 2017–2023 BMW F39 X2 sDrive18i
- 2017–2021 BMW F45 225xe Active Tourer (PHEV)
- 2019–present BMW F40 118i
- 2019–present BMW F44 218i Gran Coupé
- 2020–2023 BMW F39 xDrive25e116 kW (156 bhp) version:
B38A15M2
- 2022–present BMW U11/12 X1
- 2021–present BMW U06
- 2023–present BMW U10 X2
B38K15T0
- 2013–2020 BMW I12 i8
- 2020–present Karma Revero GT/GTS
BMW automotive engine directory
Design, development and variant notes
The B38 belongs to BMW's modular engine family alongside the B48 four-cylinder and B58 six-cylinder. The 1.2-litre version has approximately 400 cc per cylinder; the 1.5-litre has approximately 500 cc per cylinder.
Its design combines direct injection, double-VANOS cam timing and a single-scroll turbocharger. The engine has been used in transverse and longitudinal installations, including the i8 hybrid, MINI models and BMW front- and rear-wheel-drive vehicles.
Data adapted from the cited Wikipedia revision by Wikipedia contributors under CC BY-SA 4.0. Production dates and fitments reflect that revision; verify the exact engine code, market and vehicle before applying a specification.
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.
- Wikipedia: List of BMW engines. Wikipedia contributors; CC BY-SA 4.0. Source revision oldid 1382309748; accessed 2026-11-10.
- Wikipedia: BMW B38 engine. Wikipedia contributors; CC BY-SA 4.0. Source revision oldid 1347753445; accessed 2026-11-10.
Further Wikipedia-sourced details
The following additional information is drawn from the cited Wikipedia revision by Wikipedia contributors, available under CC BY-SA 4.0. An open-ended date reflects the source snapshot, not confirmed current production or fitment.
Additional technical and variant notes
The 1.2-litre B38 uses a 78 × 83.6 mm bore and stroke, while the 1.5-litre uses 82 × 94.6 mm. The article describes a Continental single-scroll turbocharger with an aluminium turbine housing.