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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Tracking, Autocrossing, Dragstrip, Driving Techniques > Helmets: Bell M2 vs. Bell M4



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      04-22-2008, 09:55 AM   #1
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Lightbulb Helmets: Bell M2 vs. Bell M4

I can't decide between the Bell M2 and Bell M4. Both fit great, the M2 seems to have more ventilation than the M4, but the M4 has the "new" static shield. Anyone have any insight?

Both are basically the same price ~ $369.
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      04-22-2008, 11:26 AM   #2
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I would go for M2 Pro. I need the extra ventilation
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      04-22-2008, 12:03 PM   #3
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Quote:
Originally Posted by S4to335 View Post
I would go for M2 Pro. I need the extra ventilation
I think that may be more than I want to spend M2 Pro is a few hundred more than the M2 (I problay should have clarified it in my first post). But I appreciate the suggestion
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      04-22-2008, 12:58 PM   #4
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Quote:
Originally Posted by Bubbles View Post
I think that may be more than I want to spend M2 Pro is a few hundred more than the M2 (I problay should have clarified it in my first post). But I appreciate the suggestion
I have owned the M2 before. I have a pyrotect now..and will be getting an M2 Pro next. I want it to be more lightweight. Good luck.
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      04-22-2008, 02:10 PM   #5
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S4to335

Do you have enough headroom in your car with your helmet on?

I know sitting upright is the best position to sit for control. I'm 6'0" tall and I know my head is not far from the ceiling now (obviously without a helmet). I think my head will hit for sure. I definitely have the seat as low as it goes.

Any tips?
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      04-22-2008, 04:19 PM   #6
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I rake back my seat a bit..I have a long torso..I know exactly what you are talking about. it is quite a juggle for me when I get to the track..I sit in the car in the pits and adjust mirrors..seat (forward/back, rake, rotate)..and the steering wheel (up and down). I eventually get it do a decent place..but I also open up my moonroof panel (not the glass part).
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      04-22-2008, 08:18 PM   #7
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Quote:
Originally Posted by S4to335 View Post
I have owned the M2 before. I have a pyrotect now..and will be getting an M2 Pro next. I want it to be more lightweight. Good luck.
Thanks, I went with the M4. I tried the M2 and Pyrotect Pro Air, but the M4 fit the best. You really do have to try the helmets on in person. I went with flat black, it was too sexy to pass up.

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      04-22-2008, 08:59 PM   #8
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Cool, Bubbles I tried my helmet again without the head cold and fits great.
BTW I got out of my flight on May 03.
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      04-22-2008, 09:04 PM   #9
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Originally Posted by fll335 View Post
Cool, Bubbles I tried my helmet again without the head cold and fits great.
BTW I got out of my flight on May 03.
Nice!
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      04-22-2008, 11:01 PM   #10
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Quote:
Originally Posted by Bubbles View Post
Thanks, I went with the M4. I tried the M2 and Pyrotect Pro Air, but the M4 fit the best. You really do have to try the helmets on in person. I went with flat black, it was too sexy to pass up.

Nice Helmet! Where'd you get it and how $$$?
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      04-22-2008, 11:02 PM   #11
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Quote:
Originally Posted by S4to335 View Post
I rake back my seat a bit..I have a long torso..I know exactly what you are talking about. it is quite a juggle for me when I get to the track..I sit in the car in the pits and adjust mirrors..seat (forward/back, rake, rotate)..and the steering wheel (up and down). I eventually get it do a decent place..but I also open up my moonroof panel (not the glass part).
Pretty much what I'd thought. Stinks because right now I'm in a really good position for driving. I'll have to play with the position for sure. I wish the seat would go down farther!
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      04-23-2008, 07:54 AM   #12
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Quote:
Originally Posted by AW325xi View Post
Nice Helmet! Where'd you get it and how $$$?
Check PM
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      04-23-2008, 11:00 AM   #13
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helmet headliner clearance == one of the few reasons I am glad to be so short
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      04-23-2008, 02:32 PM   #14
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Quote:
Originally Posted by AW325xi View Post
Pretty much what I'd thought. Stinks because right now I'm in a really good position for driving. I'll have to play with the position for sure. I wish the seat would go down farther!
this sounds really ghetto, but there is an easy way to get about 1/2" more headroom. Just reach under the seat from the back, you'll feel 3 long springs. They fit into mounts at the back of the seat. If you pull them back and up, you can pop 2 of them out (the 2 outer) and it will let the seat drop a bit lower, about 1/2". I used to do this with my e46 M3, and it will work with the 335i. Takes maybe 5 minutes once you get how the springs mount.

It will stretch the leather a bit, but not too much, since you really only go about 1/2" lower and if you only do it at the track, it'll never be noticeable.
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