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      12-11-2019, 03:27 PM   #1
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M2 Bullets I need to dodge?

So last Friday I was washing my car and almost cracked my windshield with the wiper arm. I literally had no idea such a thing could even happen.

I have always left the wipers up while wiping off my cars in the past and never had an issue, but apparently the wiper blade on the 2 series is attached to the arm so lightly that you have to be careful not to detach it when wiping it off.

Also, my first mod when I got the car was to tint the windows, and I had no idea that in doing so I was putting my amp in danger. Luckily I didn't have any issues there either, but many have not been so lucky.

Is there anything ELSE that's weird about this car that I'm missing? Some innocuous part of normal car ownership that can cause damage to the M2 if I'm not careful?

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      12-11-2019, 03:35 PM   #2
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Nothing else that I know of. Lots of us have had a problem with the right turn signal malfunction but it is not an owner caused problem.
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      12-11-2019, 03:42 PM   #3
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Nothing else that I know of. Lots of us have had a problem with the right turn signal malfunction but it is not an owner caused problem.
I had that as well. The dealer replaced the right rear tail-light assembly, even though he said my build number was out of the affected range. I told him that even some of the M2C's have had the problem, so the range is bigger than he thinks.
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      12-11-2019, 03:44 PM   #4
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You brought up a bad memory for me! I cracked my windshield while washing my car. Just like you described the wiper blade detaches very easily. Mine detached while I was drying the windshield, the arm slapped down, and the glass cracked.
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      12-11-2019, 04:10 PM   #5
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Originally Posted by bicurious View Post
You brought up a bad memory for me! I cracked my windshield while washing my car. Just like you described the wiper blade detaches very easily. Mine detached while I was drying the windshield, the arm slapped down, and the glass cracked.
Damn, sorry to hear it.
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      12-11-2019, 04:11 PM   #6
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Oh, and one I forgot. Apparently the gauge cluster is coated with a substance so sensitive that even wiping it with a micro fiber cloth will damage it irreparably. Compressed air only folks.
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      12-11-2019, 06:57 PM   #7
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Do not curb your wheels.

That should be obvious for any car and any wheel but 437m are super expensive and because of their design (mashined/polished face with tinted clear coat) they are difficult to refinish.

Protect your hood, bumper, and fenders. The paint is thin and fragile.

Disconnect the battery whenever you do anything in the interior. There are fucking airbags everywhere.
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      12-11-2019, 08:03 PM   #8
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Originally Posted by mr_lab_rat View Post
Do not curb your wheels.

That should be obvious for any car and any wheel but 437m are super expensive and because of their design (mashined/polished face with tinted clear coat) they are difficult to refinish.

Protect your hood, bumper, and fenders. The paint is thin and fragile.

Disconnect the battery whenever you do anything in the interior. There are fucking airbags everywhere.
Thanks for the tips.

I was searching something about the wheels the other day and it said that everyone thinks they are machine face, but they are in fact painted, so 2 tone black and silver (but equally hard to match). There is at least one wheel refinisher that's famous for matching it perfectly.

I plan to get the Ferric Grey ones anyway, which will be even worse .
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      12-11-2019, 09:34 PM   #9
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Quote:
Originally Posted by VisualEcho View Post
Thanks for the tips.

I was searching something about the wheels the other day and it said that everyone thinks they are machine face, but they are in fact painted, so 2 tone black and silver (but equally hard to match). There is at least one wheel refinisher that's famous for matching it perfectly.

I plan to get the Ferric Grey ones anyway, which will be even worse .
I did that with my wiper blade the other day too haha.

Was it me you're referring to about the painted wheel? If so, I was saying the guys that refinished them used paint over the machined face. From factory they are definitely machined metal, not painted.
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      12-12-2019, 08:12 AM   #10
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Was it me you're referring to about the painted wheel? If so, I was saying the guys that refinished them used paint over the machined face. From factory they are definitely machined metal, not painted.
Yeah, and I'm sorry, I had it wrong. Looking at the wheel it's very hard to tell because it's definitely not straight machine-face, but cloudy looking.

I found the quote that confused me.

Quote:
Originally Posted by Nine Lives View Post
Update for anybody in the future:

It turns out that the 437 is a combination of a painted and diamond cut/finished wheel.

What looks like the Grey portion is actually the diamond polished part which has been coated with a tinted lacquer.The black is obviously painted.

I've been fortunate enough to find somebody who knows what they're doing.The whole process took a couple of hours and the finish is flawless.
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      12-13-2019, 03:39 PM   #11
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Quote:
Originally Posted by mr_lab_rat View Post
Do not curb your wheels.

That should be obvious for any car and any wheel but 437m are super expensive and because of their design (mashined/polished face with tinted clear coat) they are difficult to refinish.
This. Exactly this. Remember that they're flared out wider than you'd expect, too.

I have had mine refinished twice - the local dealer I got the car from knows a guy who has done this a few times. They're basically enameled/painted and diamond cut, so not everyone can do that.

The other thing is about mounting new tires. I bought a set of Michelin Pilot Super Sports to replace the Contis that came with my car, and went to the local Mr. Tire. Luckily, the Mr. Tire guy had mounted tires on an M2 previously, and knew that his mounting machine didn't work with the way our rims are structured. Scratched the hell out of the previous customer's M2. So he let me know about this and that he didn't think they should do it. Apparently he had an older mounting machine that had more "bulk" in the middle part (bigger than the small center of our rims), and that part scraped the hell out of the rims.


I had the tires brought to my dealer who mounted it (for free...they're awesome), but that's another thing to keep an eye on.
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      12-14-2019, 02:27 AM   #12
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Quote:
Originally Posted by VisualEcho View Post
...when I got the car was to tint the windows, and I had no idea that in doing so I was putting my amp in danger. Luckily I didn't have any issues there either, but many have not been so lucky.
Can you please tell me more about this issue? Or perhaps a link to an existing thread? Tinting windows can blow the amp???
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      12-14-2019, 04:03 PM   #13
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Originally Posted by Hithere View Post
Can you please tell me more about this issue? Or perhaps a link to an existing thread? Tinting windows can blow the amp???
https://f87.bimmerpost.com/forums/sh....php?t=1630594
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      12-15-2019, 02:28 AM   #14
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Thank you VE. I have learned something new today. Cheers!
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      12-19-2019, 11:50 PM   #15
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Quote:
Originally Posted by VisualEcho View Post
Oh, and one I forgot. Apparently the gauge cluster is coated with a substance so sensitive that even wiping it with a micro fiber cloth will damage it irreparably. Compressed air only folks.
Yes, that is a problem.
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      12-24-2019, 11:56 AM   #16
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Last summer I was washing my car and I did exactly what you said i felt so dumb when it happened but I don't feel as bad now since it's happened to others lol
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      12-24-2019, 02:37 PM   #17
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Originally Posted by JoshuaevansF87 View Post
Last summer I was washing my car and I did exactly what you said i felt so dumb when it happened but I don't feel as bad now since it's happened to others lol
Yup, not your fault, design flaw.
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      12-26-2019, 05:35 AM   #18
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Cracked my windshield too while washing. Blades weren't even up but my cloth got caught on the wiper and pulled it up and off. That few inches where the arm was pulled up was enough to crack the windshield...
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      12-26-2019, 07:36 AM   #19
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Originally Posted by eeyang92 View Post
Cracked my windshield too while washing. Blades weren't even up but my cloth got caught on the wiper and pulled it up and off. That few inches where the arm was pulled up was enough to crack the windshield...
That's just nuts! So when the blade section comes (falls) off, the arm section springs back and smashes the windshield? Is there a sharp edge at the tip of the arm section? Or is the BMW safety screen too weak?
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      12-26-2019, 08:01 AM   #20
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Originally Posted by ///Driver View Post
That's just nuts! So when the blade section comes (falls) off, the arm section springs back and smashes the windshield? Is there a sharp edge at the tip of the arm section? Or is the BMW safety screen too weak?
It's just a heavy metal end under tension, not a sharp edge that does it.
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      12-26-2019, 11:44 AM   #21
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Quote:
Originally Posted by VisualEcho View Post
It's just a heavy metal end under tension, not a sharp edge that does it.
Thank you for this clarification. I will be very careful this doesn't happen to me.
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      12-26-2019, 12:46 PM   #22
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Quote:
Originally Posted by VisualEcho View Post
It's just a heavy metal end under tension, not a sharp edge that does it.
Lol, you guys are scaring the crap out of me, havenít had to replace my wiper blades yet, but I live in Seattle. Replacement wipers happen early and often.

Iíve already replaced the windshield once in my few months with the car thanks to an errant rock.

Maybe Iíll stick a rag or a blanket on the windshield when I do my wiper blades.
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