I hope it was the valve stem seals .... I thought the 91 300e needed them and then I replaced the front cover seal and a leaking oil level sending unit and at 240K is uses oil, but not like before. I am typically getting 2,200 to 2,800 per quart.

Haasman

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)