Thread: What do these nuts do
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      06-03-2016, 04:02 PM   #1
nomnomguy
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Drives: '09 BMW M3 (E90) Jerez Black
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What do these nuts do
I was replacing my air filter and got curious about what the two screws on top of the engine do. As I was removing the second nut the screw broke off and is stuck inside the nut. What do they do. [IMG][/IMG]
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