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In Reply to: M5 Gonna Get it! posted by John K on July 18, 2001 at 14:21:11:
I'm about to pick-up a 91 E34 M5, and was wondering what I can expect to go out, or need replacing at around 80,000 miles? Water pump is new (reletively) Gaskets were updated (about 3 years ago), and the Clutch sounds like its going bad. Everything else is self evident, but, what about things like: Torque Tube, Control arms, Timing Chain tensioner, etc.
I have an E30 M3, can I use that as a model for the M5? Are they related in failure areas?
John,
As a fellow M3 owner/board participant I heartily welcome you to the world of the E34 M5. What beasts they are! Sadly, your E30 M3 failure experience is worth about zippo when it comes to the E34 M5.
The main problem areas on these cars: the transmission and the self-leveling suspensions. At 80,000 and 10 years you can expect the self-leveling to be leaking and possibly shot (if not already replaced with something else by a previous owner). The tranny's are notoriously noisy and somewhat 'slow' (esp. into 2nd), but if you get one that really needs rebuilding then you are in for a shock (re: your E30 M3 experience); you don't pick these trannys up at the local flea market for $700(!).
Other than that, most maintenance and failure items are those 'typical' to BMWs everywhere (sensors and other electrics, bushings here and there, oil leaks, etc.). Not bad, just always 'another level' up the cost scale -- even from E30 M3 prices!