Quote:
Originally Posted by TheRussski
Thank you for write up. My M sits in garage and gets driven once every 2-3 days and I notice that it takes longer to crank...not sure if it’s because it’s been sitting between those days or battery or the starter going out. Once I drive for an hour it will crank right up fast.
Definately saving this for future DIY!
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Sounds like a battery. But, I'm new to this world. I've only had my E90 M3 since January. Getting the original starter out was, as stated, the hardest part of the DIY. I ordered a new starter a few weeks before my original OEM went out. I tested the new starter with my M3 battery. That tested good with the bendex gear doing it's job, so I ruled out the battery. I'm sure there is a much cheaper option than getting a starter to check your battery...😛