How long does an N55 turbo last?
N55 Turbo Longevity at 20+ PSI In general, more boost will reduce the lifespan of the N55 stock turbo. However, it is possible for N55 turbos to last 50,000+ miles at 23psi, for example. On the other hand, the stock turbo may decide to let go much sooner even at 20psi.
How long can N55 last?
If you aren’t treating it like a race car, and do the maintenance, it should last a very long time. 103,000 KM with bm3 stage 1 for 20,000 KM and Stage 2 for the last 2,000 KM.
What turbo does the N55 have?
BMW N55
| BMW N55 engine | |
|---|---|
| Turbocharger | Single twin-scroll with Intercooler |
| Management | Bosch MEVD 17.2 |
| Fuel type | Petrol |
| Chronology |
How much HP can a N55 handle?
The N55 can handle around 550whp and 550wtq on the stock engine block and internals.
How many mm is N55 turbo?
The turbine is also quite small, approx. 53mm Inducer and 46.1mm Exducer. It is a Journal Bearing Turbo, unlike the EFR.
Is the N55 engine Twin turbo?
Arguably, the most significant difference between the N54 and N55 is the turbochargers; the N54 bolsters true twin turbochargers while its N55 counterpart carries a single twin-scroll turbocharger. A twin-scroll turbocharger is a single turbo where the exhaust housing of the turbocharger is split into 2 “scrolls”.
How much power can N55 handle?
around 550whp
The N55 can handle around 550whp and 550wtq on the stock engine block and internals.
How much power can a stock N55 make?
What are the problems with the BMW N55 engine?
The common water pump problems are a usually found on most bmw engines and not only.Water pumps are re-circulating coolant to cool down your engine temperature. Bmw is using electric water pumps on n54 and n55 engines and those pumps have a short lifespan (+- 50.000km).
What causes oil leak in BMW N55 engine?
The rubber valve cover gasket is prone to degrading over time; typically rubber with high temperatures, and constant heating/ cooling do not mix well. Eventually, the rubber gasket begins to crack apart, resulting in oil leaks and potential build-up of oil in your engine.
How many valves does the BMW N55 have?
No, the N55 is a single turbo engine. BMW dubbed it “TwinPower Turbo”, which causes confusion and even lawsuits. You can read more about N55 TwinPower Turbo here. How Many Valves Does the N55 Have? The N55 has 24 valves. It is an inline-6 double overhead cam (DOHC) engine.
Is there a water pump on the BMW N55?
Bmw is using electric water pumps on n54 and n55 engines and those pumps have a short lifespan (+- 50.000km). Once you decide to replace the water pump consider replacing the coolant thermostat as this is also a weak link on those engines and it would be easier to change both at once.