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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Sat, Nov-11-2017, 08:52:27 PM   #21
98M3csm
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Default Re: Xbrace and comfort

Perhaps I'm crazy.. I have an x-brace and a big front sway bar. I had my x-brace off for a while (original straight bar back on) and I could swear I felt a less jittery ride presumably due to increased chassis flex. I thought it felt kind of nice. X brace went back on anyway of course.
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Old Sat, Nov-11-2017, 09:36:19 PM   #22
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Default Re: Xbrace and comfort

Quote:
Originally Posted by NolliM3 View Post
I hope you didn't uninstalled yours and didn't install that original piece of straight pipe as BMW warned not to drive the vehicle without it.

The two bolt brace helps stabilize the front frame rails, the X-Brace further stabilized and helps prevent twisting induced by the Strut Towers.




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Old Sun, Nov-12-2017, 02:19:43 AM   #23
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Default Re: Xbrace and comfort

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Originally Posted by bluptgm3 View Post
The two bolt brace helps stabilize the front frame rails, the X-Brace further stabilized and helps prevent twisting induced by the Strut Towers.

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Ehhrm... the standard "I" brace does help keep the frame rails parallel, but more importantly forces the engine to drop through the transmission tunnel in the event of an accident.

The X-brace does not affect the strut towers; it is essentially a subframe connector to box it to the chassis.
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Old Sun, Nov-12-2017, 04:02:22 AM   #24
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Default Re: Xbrace and comfort

I thought the 2 bolt brace was for chassis stiffening not crash protection. The convertibles come with 6 bolt x braces and not 2 bolt braces, and the engine is not unsafe in an accident. And the engine would not necessarily be forced down through the frame rails in an accident due to the 2 bolt brace. The transmission would be on the 2 bolt brace and the motor on the subframe, with the cylinder head against the firewall.
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Old Sun, Nov-12-2017, 05:01:32 AM   #25
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Default Re: Xbrace and comfort

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Originally Posted by pbonsalb View Post
I thought the 2 bolt brace was for chassis stiffening not crash protection. The convertibles come with 6 bolt x braces and not 2 bolt braces, and the engine is not unsafe in an accident. And the engine would not necessarily be forced down through the frame rails in an accident due to the 2 bolt brace. The transmission would be on the 2 bolt brace and the motor on the subframe, with the cylinder head against the firewall.
The X brace is the 2 bolt brace just with more welded on it. Identical part.
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Old Sun, Nov-12-2017, 09:59:03 PM   #26
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Default Re: Xbrace and comfort

Thanks for the input fellas. Now... my car is a 95 stock and as everyone knows the car tends to oversteer more than later models due to square setup and offset Control arms.

With the xbrace am I essentially increasing oversteer more?

Also, the z3 versions came with a buffer but does stock US m3s generate enough torque in autox or during launch where the pan would actually come in contact with the buffer? My understanding was that the z-chassis had more flex than coupe/sedan which warranted the buffer
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Old Sun, Nov-12-2017, 10:20:18 PM   #27
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Default Re: Xbrace and comfort

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Originally Posted by bmwstephen View Post
Thanks for the input fellas. Now... my car is a 95 stock and as everyone knows the car tends to oversteer more than later models due to square setup and offset Control arms.

With the xbrace am I essentially increasing oversteer more?

Also, the z3 versions came with a buffer but does stock US m3s generate enough torque in autox or during launch where the pan would actually come in contact with the buffer? My understanding was that the z-chassis had more flex than coupe/sedan which warranted the buffer
I run the buffer but I don’t quite see how it works unless it really does move the distance of that gap (which is significant). It’s supposed to help reduce wheel hop but I can say it doesn’t.
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Old Mon, Nov-13-2017, 12:39:59 AM   #28
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Default Re: Xbrace and comfort

The buffer might help if your motor mounts are broken or squishy. I seriously hope it isn't needed.
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Old Mon, Nov-13-2017, 03:02:56 AM   #29
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Default Re: Xbrace and comfort

Buffer stop has no affect on the E36 Coupe/Sedan.
The front end sticks better after turn-in w/X-Brace


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Old Tue, Nov-14-2017, 01:45:41 AM   #30
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Default Re: Xbrace and comfort

You mean there are E36 M3s that don’t have a X brace by now? Whoda thought...lol
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Discussing Xbrace and comfort in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)