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BMW N45 engine: specs and known issues

The BMW N45 is a naturally aspirated inline-four petrol engine with a 1.6- and 2.0-liter displacement, produced 2004–2011, per Wikipedia. We do not have repair prices for it yet.

Specs and history from Wikipedia (revisions listed below)

N45 at a glance

Production2004-2011[1]
ConfigurationInline-4[1]
Displacement1596 cc (97.4 cu in) / 1997 cc (121.9 cu in)[1]
Fuel typePetrol[1]
ValvetrainDOHC, with VVT[1]
BlockAluminium[1]
Cylinder headAluminium[1]

Cars with the N45

Cars and chassis codes named in Wikipedia's article on this engine. It can include related or successor models, so treat it as a lead and check your exact car. Open a linked model to see its repair costs.

Model pages for the N45

Chassis pages whose cars, per Wikipedia, used this engine.

E87 1 SeriesE81 1 SeriesE90 3 SeriesE91 3 Series
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Common questions

When was the BMW N45 engine produced?

2004-2011, per Wikipedia.

Sources

  1. Wikipedia: BMW N45 (revision 1307205247, read 2026-10-23)

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