I am considering buying a 1991 500 SL which suffers from a rough idle condition.
Once teh engine is warmed up everything seems ok, excpet maybe that I imagined I would get more power. The roughness to me sounds like a stuck valve, but nothing shows up on a compression check.
Any ideas??

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Regards
Vince Alfonso (in Hong Kong)

92 MB 600 SEL
94 MB 600 SL
92 MB 500 SL (for sale)
93 BMW 740i