N20 & N26 Wiki
4-Cylinder Single Turbo (2011-2017)
The BMW N20 is a turbocharged 4-cylinder engine found in various BMW models from 2011 to 2017. The N26 is the SULEV (Super Ultra Low Emission Vehicle) variant used in the USA market. Both engines share the same basic architecture and respond well to modifications.
Models with N20/N26 Engine
N26 (SULEV variant) used in USA market vehicles.
Articles
Engine Specifications
Detailed technical specs including bore, stroke, compression ratios, valve timing, and component materials.
Frequently Asked Questions
Common questions about N20/N26 engines, tuning, and modifications answered.
Performance Upgrade Guide
Stage-by-stage upgrade paths with infographics for both high and low compression variants.
Common Modifications
Recommended upgrades including intakes, intercoolers, charge pipes, and diverter valves.
Servicing & Maintenance
Service intervals, fluid specifications, recommended oils, and maintenance best practices.
Turbo Upgrade Info
Turbo specifications, upgrade options, and hybrid turbo comparisons for the N20/N26 platform.
Part Cross Compatibility
Parts and specs shared between N20, N26, N55, S55, and B58 engines.
Built Motor Guide
Forged internals guide for high-power builds including pistons, rods, sleeves, and head work.
HPFP & LPFP Flow Data
High and low pressure fuel pump flow rate data and max HP ratings for fueling upgrades.
Injector Flow Data
Injector specifications, flow rates, and max HP ratings for various upgrade options.
Spark Plugs Guide
Spark plug specifications, heat ranges, and recommendations for various power levels.
B58TU HPFP Retrofit DIY
Step-by-step guide to installing the B58TU HPFP on N20/N26 engines for increased fueling.
Ready for a Custom Tune?
Get a bespoke calibration developed specifically for your N20/N26 build, modifications, and performance goals.
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