The BMW N63 series of 4.0-and 4.4-liter 8-cylinder engines have been produced since 2008 and is installed on almost all modern large models of the German automaker. There are a number of sports versions of this engine under the S63 index and with a power of up to 600 hp. Despite the huge success and ahead of its time, it faced numerous engine problems. If you’re curious about the owner of the N63, here’s our list of 5 issues that are most common with the N63 engine.
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