The covers are in place and I went over all the seals with a 4X magnifier to try to figure out where the water might be getting in. Each time I removed the lights, I noticed that the rubber bezel that goes around the entire enclosure seems to collect and hold water along the bottom of the lens. I noticed that the lens looked like it may no be completely sealed to the body of the enclosure, hence the silicone treatment. I guess, once I have some time, and if they still leak, my last ditch attempt (prior to replacement) should be submerging them in the bathtub.

Hopefully, I won't have to take them out a 7th time!

Thanks!

-l-

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'84 300d turbodiesel (83K miles)
'96 300d (226K miles)
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other fine diesels...
'99 Polaris diesel (Fuji Heavy Industries single)
'01 Diesel Trail gator (Yanmar triple)
'95 John Deere 970 (Yanmar quad)
'11 BMW 335d
'12 VW Jetta TDI

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'00 BMW K1200LT
'02 BMW R1150RS

'15 BMW R1200GSA