N20 & N26 Frequently Asked Questions
Common questions about BMW N20 and N26 engines answered by the community.
What is the max HP on stock internals?
"BMW N20 max hp on stock internals" "BMW N20 max hp" "N20 max hp" "BMW N20 400hp" "how much hp can a N20 handle" "how much power can the N20 handle"
Usually on a well looked after car with the correct turbo and E85, the max safe capabilities of the stock internals is 400WHP & 480NM (Based on Dynojet). Please refer to the power and torque chart page for more info.
Learn moreWhat are the HPFP upgrade options?
"N20 HPFP upgrade"
Currently the only bolt-on Stage 1 HPFP upgrade is the Navardi Tuned retrofit kit. The only bolt-on Stage 2 HPFP upgrade is the Spool Performance FX180 kit (must enquire to purchase).
Learn moreWhat is the fastest N20 BMW?
"Fastest N20 BMW"
The highest HP producing N20 is a built N20 with a Precision 5858 turbo running a Navardi Tune on a loaded dyno: 345RWKW and 565NM (more than a Stage 2 E30 S55 M3/M4 on the same dyno). The quickest recorded 1/4 mile N20 runs a custom Navardi E40 tune on stock turbo.
Does the N20 timing chain fail?
"Does the N20 Timing Chain Fail"
It is quite prone to failure on cars produced before January 2015, and can fail at any time, any power level, and without warning. If it has not been replaced or repaired - do so immediately.
Does the N20 HPFP have problems?
"BMW N20 high pressure fuel pump problems"
The N20 HPFP is known to struggle to supply enough fuel on stock turbo on ethanol mixes over E40 and 93 OCT when making over 380WHP (Dynojet based).
Learn moreWhat is the N20 fuel rail pressure?
"BMW N20 fuel rail pressure"
Under WOT (Wide Open Throttle), 2900 PSI is the stock rail pressure target. When you are not at full throttle, it can vary between 700-2900 PSI.