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      01-30-2013, 12:18 PM   #14
Z K's Avatar
Drives: E90 M3
Join Date: Jul 2011
Location: San Francisco

Posts: 2,072
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Originally Posted by d-bone View Post
It also only mentions the transmission fluid and differential fluid being changed at the 1200 mile service, but doesn't mention it again after that... Under the "Vehicle Check" section, it just lists things to check, nothing to flush or change (all items that robbiedawg mentioned...)

The service manual also states this under the "Vehicle Check" section:

Check expiration date on the M Mobility System
sealant bottle. Change sealant bottle if
needed at additional charge.

What is the M Mobility System sealant bottle???
It's part of the kit in the trunk in case you get a flat. There is a bottle of sealant and a pump.
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