BMW engine model N12 N16 N20 N42 N43 N45 N46 N52 N54 N55 N63 N74 N75 M52 M54

1. N12

• Configuration: Inline-4, DOHC, 16-valve
• Displacement: 1.4L to 1.6L
• Fuel Type: Petrol
• Introduction: 2006-2010
• Features: Naturally aspirated engine with Valvetronic and Double VANOS systems for improved efficiency.
• Suitable Models: BMW 1 Series (E87), MINI Cooper (R56).

2. N16

• Configuration: Inline-4, DOHC, 16-valve
• Displacement: 1.6L
• Fuel Type: Petrol
• Introduction: 2010-2016
• Features: Similar to the N12, but with improved emissions and fuel economy. Utilizes Valvetronic and Double VANOS.
• Suitable Models: MINI Cooper (R56), BMW 1 Series (F20).

3. N20

• Configuration: Inline-4, DOHC, turbocharged
• Displacement: 2.0L
• Fuel Type: Petrol
• Introduction: 2011-2017
• Features: A turbocharged engine with TwinScroll turbocharger and direct fuel injection, known for its balance of power and efficiency.
• Suitable Models: BMW 3 Series (F30), 5 Series (F10), X3 (F25), X1 (E84).

4. N42

• Configuration: Inline-4, DOHC, 16-valve
• Displacement: 1.6L to 2.0L
• Fuel Type: Petrol
• Introduction: 2001-2004
• Features: Early generation Valvetronic engine, focused on reducing fuel consumption while maintaining performance.
• Suitable Models: BMW 3 Series (E46), BMW 1 Series (E87).

5. N43

• Configuration: Inline-4, DOHC, 16-valve
• Displacement: 1.6L to 2.0L
• Fuel Type: Petrol
• Introduction: 2007-2011
• Features: Successor to the N42, featuring direct fuel injection for improved fuel efficiency and lower emissions.
• Suitable Models: BMW 1 Series (E81/E87), BMW 3 Series (E90).

6. N45

• Configuration: Inline-4, DOHC, 16-valve
• Displacement: 1.6L
• Fuel Type: Petrol
• Introduction: 2004-2007
• Features: Non-Valvetronic engine, derived from the N42, built for smaller BMW models.
• Suitable Models: BMW 1 Series (E87), BMW 3 Series Compact (E46).

7. N46

• Configuration: Inline-4, DOHC, 16-valve
• Displacement: 1.8L to 2.0L
• Fuel Type: Petrol
• Introduction: 2004-2015
• Features: An improved version of the N42, featuring better fuel economy and reduced emissions, without direct fuel injection.
• Suitable Models: BMW 3 Series (E90), BMW 1 Series (E87).

8. N52

• Configuration: Inline-6, DOHC, 24-valve
• Displacement: 2.5L to 3.0L
• Fuel Type: Petrol
• Introduction: 2004-2015
• Features: A naturally aspirated inline-6 engine with Valvetronic and Double VANOS, featuring a magnesium-aluminum block for weight savings.
• Suitable Models: BMW 3 Series (E90), BMW 5 Series (E60), BMW Z4 (E85), BMW X3 (E83).

9. N54

• Configuration: Inline-6, DOHC, 24-valve, twin-turbocharged
• Displacement: 3.0L
• Fuel Type: Petrol
• Introduction: 2006-2016
• Features: Twin-turbocharged engine with direct injection, delivering significant power and torque. Known for its performance and tuning potential.
• Suitable Models: BMW 3 Series (E90), BMW 1 Series (E82), BMW 5 Series (E60), BMW Z4 (E89).

10. N55

• Configuration: Inline-6, DOHC, 24-valve, single-turbocharged
• Displacement: 3.0L
• Fuel Type: Petrol
• Introduction: 2009-2019
• Features: Successor to the N54, featuring a single TwinScroll turbocharger, Valvetronic, and Double VANOS. It offers improved fuel efficiency and lower emissions compared to the N54.
• Suitable Models: BMW 3 Series (F30), BMW 5 Series (F10), BMW X5 (F15), BMW Z4 (E89).

11. N63

• Configuration: V8, DOHC, twin-turbocharged
• Displacement: 4.4L
• Fuel Type: Petrol
• Introduction: 2008-present
• Features: Twin-turbo V8 with direct fuel injection and Valvetronic. It delivers high levels of performance and is used in BMW’s high-end models.
• Suitable Models: BMW 7 Series (G11), BMW X5 (F15), BMW 6 Series (F12), BMW 5 Series (F10).

12. N74

• Configuration: V12, DOHC, twin-turbocharged
• Displacement: 6.0L
• Fuel Type: Petrol
• Introduction: 2008-present
• Features: A twin-turbocharged V12 engine designed for luxury performance, used in BMW’s flagship models.
• Suitable Models: BMW 7 Series (G12), Rolls-Royce Ghost, Rolls-Royce Wraith, Rolls-Royce Dawn.

13. N75

• Configuration: Inline-4, DOHC, turbocharged
• Displacement: 2.0L
• Fuel Type: Petrol
• Introduction: Not widely documented; it may refer to a specific variant of the N-series engines for special markets or projects.

14. M52

• Configuration: Inline-6, DOHC, 24-valve
• Displacement: 2.0L to 2.8L
• Fuel Type: Petrol
• Introduction: 1994-2000
• Features: A naturally aspirated engine known for its smoothness and reliability, featuring aluminum construction in certain versions.
• Suitable Models: BMW 3 Series (E36, E46), BMW 5 Series (E39), BMW Z3 (E36/7).

15. M54

• Configuration: Inline-6, DOHC, 24-valve
• Displacement: 2.2L to 3.0L
• Fuel Type: Petrol
• Introduction: 2000-2006
• Features: Successor to the M52, offering better emissions control and slight power improvements. Known for its refinement and reliability.
• Suitable Models: BMW 3 Series (E46), BMW 5 Series (E39, E60), BMW Z4 (E85), BMW X3 (E83).