I want to tighten the allen head bolts around my ('82 240D 4-speed) oil pan, but I don't have an allen wrench or hex key that fits.

Anybody know the size so I can buy the proper tool?

Thanks.

- Patrick

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1982 240D. 198k, Marine Blue/Blue, 4 Speed, Crank Windows, No Sunroof, No Rust, No Oil Leaks
2001 TDI. 197k, Lagoon Blue/Black, 5 speed, Chip, G60/VR6