It may be coincidence, but after I changed to Rotella in my M104 gas engine it developed a severe leak at the rear and the leak at the front top got worse. 125k miles, too much detergent in the rotella I think (I used Mobil1 and Castrol synth prior to the Rotella, and have switched back).

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RIP "Betsy" (Oo=*=oO)
'96 E 3 2 0 (W 2 1 0) M 1 0 4 (Totalled)
Spaces in sig so as not to screw up the SEARCH; every time someone searches for that MB they don't want my sig!

2004 Audi A8L
'98 VW Passat 1.8T 5M
'87 Alfa Romeo Milano 2.5L 5M
'67 Impala convertible, 327cid