This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
M62 V-8 engines used in the E-39 540 and E-38 740 are notorious for faulty timing chain guides. At around 125,000 the plastic can disintegrate causing the chain to skip a tooth. Once a tooth is skipped the valves are crushed and the engine is destroyed. The cost to replace the guides is extremely expensive. I was lucky in that I replaced mine at 140,000 miles
- Watertown, CT, USA
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- Watertown, CT, USA