The N63 engine's "hot-vee" design, which places the turbochargers inside the cylinder bank, creates immense heat-soak. This excessive heat causes the rubber valve stem seals to harden, crack, and fail prematurely.
A large cloud of smoke from the exhaust, particularly after idling or upon acceleration. Burning Oil Smell: A strong, oily odor around the car.
Needing to add oil between regular service intervals. bmw valve stem seal recall
Repairs related to oil consumption—including valve stem seal replacement—were covered for 10 years or 120,000 miles from the in-service date.
The class action settlement covers US-specification 2009–2014 models with the N63 twin-turbo V8 engine, including: The N63 engine's "hot-vee" design, which places the
While not a traditional "safety recall" issued by NHTSA, the settlement regarding valve stem seals, oil consumption, and battery drain provided significant, long-term coverage for affected owners. Affected BMW Vehicles (N63 Engine)
The lawsuit settlement (often referred to as the Bang or N63 settlement) was approved around late 2018. It provides several benefits to current and former owners: Burning Oil Smell: A strong, oily odor around the car
Gran Turismo (F07) 2010-2012, Sedan (F10) 2010-2013