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BMW E31 8 Series common problems
1991–1997 · 850i, 850Ci, 840Ci, 850CSi (M70 V12, M73 V12, M60 V8, M62 V8, S70 V12). The known weak spots of the engines used in the E31, with sources, plus the topics that come up most in BMW's service bulletins and NHTSA recalls for this chassis.
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Known problems
We haven't published engine-level notes for this chassis yet. The bulletin and recall topics below are a good place to start.
Most frequent bulletin topics 1 bulletins
| Topic | Bulletins | Examples |
|---|---|---|
| Window initialization requirements | 1 | SIB 51 08 19 |
BMW service bulletins and warranty extensions filed with NHTSA that list the E31, grouped by topic. A bulletin tells technicians how to diagnose and fix a known issue; it doesn't mean every car has the problem.
Sources: BMW service bulletins and recalls filed with NHTSA (public data) and the specialist and owner write-ups linked above. Not affiliated with BMW.