Nitrogen in my tires..can I refill with regular air?
So tomorrow I will be picking up my m3 which has been in storage for a month after I completed the lease assumption.
The original lessor just told me that the tires are filled with nitrogen and I should refill them with nitrogen when the pressure gets low.
My question is-
If I can't find a nitrogen refill station or if I just don't want to pay for nitrogen, can I just add regular air to them mixed with the nitrogen that is already in there or would I need to completely deflate the tires all all nitrogen and then refill with regular air?
I've read some of the supposed pro's of nitrogen but I just think for my normal street use it would be a waste of money.
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