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Old 10-22-2001, 11:14 AM
airfoill airfoill is offline
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Join Date: Aug 2000
Location: Houston, Texas
Posts: 322
Question DOT 5 Brake Fluid in '82 240D

I am getting ready to replace the master brake cylinder on my '82 240D. The recommended fluid is DOT 4 but an autoparts salesperson told me that DOT 5 is available and is better than DOT 4 because it is synthetic.

Is it OK to use DOT 5 in a car this old? Is it compatable with the current seals that are in the brake calipers?

Thanks for any advice.

'82 240D
'87 300 SDL
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