N52 Leakdown Rings Bad - Flywheelsites News
The bmw n52 is a naturally aspirated straight-6 petrol engine which was produced from 2004 to 2015. The n52 replaced the bmw m54 and debuted on the e9x 3 series and e6x 5 and 7 series. Produced from 2004 to 2015, the n52 was the final na engine from bmw before the shift to turbocharging.