All engines
BMW N55

N55

One turbo, two exhaust paths.

Start with the difference between a twin-scroll turbo and two separate turbochargers.

Output304–324 PS
Cars6
N55 engine
N55 in a 2013 X5 xDrive35i. Engine-family reference; covers and installation differ across applications. · Michael Sheehan / HighTechDad, CC BY 2.0
Specifications
Layout
Inline-six
Displacement
2979 cm³
Induction
Twin-scroll turbo
Design character

Notice the balance between a straight-six layout and a single turbocharger.

Engine fact

One twin-scroll turbo uses two exhaust paths. That is different from the N54’s two turbochargers.

Related partTurbocharger
Output by application

One engine, many cars.

CarGenerationOutputSpecification
BMW 535i5 SERIES / F10300 hp2015 US specification
BMW M235i Coupé2 SERIES / F22320 hp2014 US specification
BMW 435i Coupé4 SERIES / F32300 hp2014 US specification
BMW 640i Gran Coupé6 SERIES / F06315 hp2013 US specification
BMW X3 xDrive35iX SERIES / F25300 hp2011 US specification
BMW X5 xDrive35iX SERIES / F15300 hp2014 US specification
Where it lives

Cars with the N55

F10 2015

535i

N55 · Inline-six · 2010–2016

0–100 6 s250 km/h

304 PS
F22 2014

M235i Coupé

N55 · Inline-six · 2014–2016

0–100 5 s250 km/h

324 PS
F32 2014

435i Coupé

N55 · Inline-six · 2013–2016

0–100 5.4 s250 km/h

304 PS
F06 2013

640i Gran Coupé

N55 · Inline-six · 2012–2018

0–100 5.4 s250 km/h

319 PS
F25 2011

X3 xDrive35i

N55 · Inline-six · 2010–2017

0–100 5.6 s245 km/h

304 PS
F15 2014

X5 xDrive35i

N55 · Inline-six · 2013–2018

0–100 6.5 s210 km/h

304 PS
Sources