I am going to use the spare in the trunk, I was in an accident and 2 wheels were bent and cracked

so I have 3 total.

Could you sell me only one of the 4? I only need one, for extremely cheap because I'm never going to use it again. I basically need it to see if my new wheels are making the car pull to the right or not. So the dealership wants to put the old wheels on to try and find the problem. Problem is I only have 3 with 2 tires. :\

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Own:
2013 C300 4matic
2009 C300 4matic

Owned:
2001 E320 Sport
1992 500E
1989 300SEL