Thread: burning smell?
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      02-06-2013, 08:44 PM   #18
donoman
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Drives: 03 Z4 2.5i 5MT
Join Date: Dec 2012
Location: Santa Clara, CA

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Take a mirror and look under and around the valve cover gasket region. Look under the heat shield that is above the exhaust manifold. You really need to know what kind of smell you're smelling.

If it's sweet it's coolant,
If it's nasty it's oil
If it's nasty but not repulsive it's brake/tranny/diff fluid.

You can take a whiff of any of the 3 types of fluids and it will help you a lot. If you are leaking brake/tranny/diff fluid enough to smell it, you'd better figure it out right away.
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2003 Z4 2.5i
2013 FR-S
1990 911 C2
1983 Wife