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The BMW B47 engine might have timing chain problems that result in misfires and the engine light coming on. You may encounter various engine issues such as a spark plug coming loose, a loose gasket needing tightening, oil leaks requiring prompt repair, and the crucial concern of engine overheating potentially leading to fires and explosions. In addition, there could be excessive oil consumption necessitating more frequent oil changes, with coolant replacements recommended every 60,000 miles, air filter changes every 15,000 to 30,000 miles, and spark plug replacements every 100,000 miles for regular ones or every 30,000 miles for copper spark plugs.
The BMW B47 engine faces problems with its timing chain, as the chains can be damaged and potentially break.