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      07-31-2014, 04:32 PM   #38
thekurgan
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Drives: E90M3
Join Date: Aug 2007
Location: Sacramento

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2008 BMW M3  [0.00]
Quote:
Originally Posted by Stallion150 View Post
Guys, my round trip daily commute is <10 miles. When I took it to the dealer, the battery charge was mildly low. Should I get a battery tender? I wonder if this is causing any startup issue.
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I read somewhere else, that there's an "A/C pressure switch operates when the A/C is turned on. The info from the switch is used to increase the engine load in order to compensate for the extra load placed on the engine by the A/C. " Could this be the issue?
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Thanks so much, you've really helped a super OCD M3 owner out!
10 miles isn't much. I would definitely (and do) use a tender but does this issue happen if you start the car with no HVAC running at all?
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