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Originally Posted by vinuneuro
I don't understand. How do you abuse a car to cause the oil to overheat?
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From the Edmunds article (partial excerpt):
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All at once the BMW coupe that we've considered the leader in its class finally decides it's had enough. With its oil temperature pinned at 300 degrees F and its coolant temperature climbing rapidly, the turbocharged Bavarian wonder engages its limp-home mode and we crawl pathetically back to the pits.
This all-too-dramatic demonstration of Japanese-versus-German engineering occurred at Nissan's Arizona Test Center, where Infiniti invited a select group of journalists to drive the 2008 Infiniti G37 Coupe back-to-back with Germany's best. The limp-home part, well, that wasn't part of the plan.
In fairness, both cars had experienced a relentless pounding by journalists with a profound absence of mechanical sympathy before the BMW finally succumbed to the desert heat. But the flogging had been similarly abusive to both cars, and the Infiniti G37 never showed any signs of weakness.
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Happened to automatic transmission vehicles without sport packages. The rest had additional oil coolers. Didn't happen to the Infiniti though. "Relentless pounding....with no sympathy" in the Arizona desert doesn't sound like the design specification. It is a road vehicle. It saved itself, it didn't break. Limp home means reduced boost until it cools down. It is the equivalent of a warning light.
Owners planning to track their cars could order the sport package (with the additional cooler) or, god forbid, the manual transmission (resulting in less heat under the hood).
This article had a life beyond all belief when it came out. 335 owners, some of whom weren't sure how to open their hoods, were all inspecting their cars for oil coolers and demanding that BMW retrofit them, even without evidence of failures, or any intention to track the cars.
No doubt some 335 owners had overheating issues unlike the above. This was the article that fed the firestorm, however.
http://www.edmunds.com/insideline/do...ticleId=120061
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