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      07-25-2021, 06:04 AM   #4
Drothgeb
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Drives: M3, M40i
Join Date: Feb 2021
Location: Monrovia, MD

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Without the adaptive suspension, non RFT tires are probably your best bet. Either 19” or even 18” for a little better ride. I test fitted 18”s with 245/60s on my wife’s M40i yesterday. She didn’t like the look, so we are going 19s with 255/50s instead.

As far as no spare for your wife. Blow-outs don’t happen often. Most flats start out as a small leaks that don’t get repaired. With the TPMS, it’s really easy to catch and have a leak repaired before it becomes a flat. And carrying a small 12v compressor to inflate a low tire until you can get it repaired is much easier than changing the spare. We’ve been carrying compressors in our cars for many years. Also have a can of Fix-a-flat or similar too. If you do have an actual blow-out, there’s always AAA.
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