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Hi I'm new to the group but can anyone help and let me know what the leads circled in the pic are for? Thanks
271146
 

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The red cap pulls off to jump start or connect a charger.
The other is the main power to the starter and i think it comes from the point where the red cap is.
 

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If it’s the same as the 330d one of them is the main power cable that goes to the jump start red positive terminal you have circled.

The other one is a vacuum hose that feeds the master brake cylinder if memory serves me correct.


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