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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Oct-06-2015, 01:52:08 AM   #1
duracellttu
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Default Who has installed Mason X-brace themselves?

I am in the process of getting the Mason rear strut bar and x-brace with subframe support. When I get them items delivered, I will be installing them myself. The Mason website has installation instructions for the x-brace but I feel like they lack enough detail for me to tackle this job with confidence. There is a lot of drilling involved and I dont want to mess that part up.

Has anybody out there install these pieces themselves? I was hoping to pick your brain on the drilling portion. I'm trying to get more detail from John Mason, but every time I call, nobody answers the phone.
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Old Tue, Oct-06-2015, 02:31:26 PM   #2
poms302
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Default Re: Who has installed Mason X-brace themselves?

Have you tried PMing him on here?

I think you're over thinking this.

Take the rear subframe bolts out.

Find the center of the hole and drill up as plumb as possible.

Using a 1.5" hole saw with the same size pilot bit(if possible) as your pilot hole drill down in the trunk.

Drill out the last 1/4" of the hard point hole from the top or tap it for threads.
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Old Tue, Oct-06-2015, 05:45:49 PM   #3
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Default Re: Who has installed Mason X-brace themselves?

My biggest concern is putting holes through the rear towers for the cross brace. I'd be interested to see how people are sealing these holes and preventing rust in the long term. I actually emailed John, and he responded in the same way, "I think you're overthinking this". Not reassuring, IMO. I have a rust box e30, I don't want my e46 turning into that.
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Old Tue, Oct-06-2015, 10:30:56 PM   #4
duracellttu
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Default Re: Who has installed Mason X-brace themselves?

Quote:
Originally Posted by ThrowinShapes45 View Post
My biggest concern is putting holes through the rear towers for the cross brace. I'd be interested to see how people are sealing these holes and preventing rust in the long term. I actually emailed John, and he responded in the same way, "I think you're overthinking this". Not reassuring, IMO. I have a rust box e30, I don't want my e46 turning into that.

I think that I'm just going to prime them and seal them with weather sealer. Same thing I did for the subframe plates after they were welded in.
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2005 BMW M3 ZCP - Black/Black Built not bought. All DIY!
Evolve-R | AP V2 Headers | CPI Euro200R (200 cell) | SS Non-res X-pipe + Race | 3.91 w/ 3 stage clutch | TCK SA 450/500 | Vorshlag Camber Plates
Rogue Engineering ASP, RSM, RTABs, TM | TMS Sway Bars, Camber Arms, Pullies | Mason Race Strut, Rear X-Brace | AS 30% SSK | aFe Stage 2 | SPAL Fan
AKG FCABs, SFB | Redish Reinforcement | Turbo Toys V2 Hub | WPC Treated Rod Bearings
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Old Tue, Oct-06-2015, 10:35:30 PM   #5
duracellttu
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Default Re: Who has installed Mason X-brace themselves?

Quote:
Originally Posted by poms302 View Post
Have you tried PMing him on here?



I think you're over thinking this.



Take the rear subframe bolts out.



Find the center of the hole and drill up as plumb as possible.



Using a 1.5" hole saw with the same size pilot bit(if possible) as your pilot hole drill down in the trunk.



Drill out the last 1/4" of the hard point hole from the top or tap it for threads.

Do you know how far down the hard point holes are from the top of the trunk floor? Any specialty tools needed to tap to get down to the hard point? I've been reading the instructions more thoroughly and am starting to get an idea of the process a little more, but the devil is in the details...
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2005 BMW M3 ZCP - Black/Black Built not bought. All DIY!
Evolve-R | AP V2 Headers | CPI Euro200R (200 cell) | SS Non-res X-pipe + Race | 3.91 w/ 3 stage clutch | TCK SA 450/500 | Vorshlag Camber Plates
Rogue Engineering ASP, RSM, RTABs, TM | TMS Sway Bars, Camber Arms, Pullies | Mason Race Strut, Rear X-Brace | AS 30% SSK | aFe Stage 2 | SPAL Fan
AKG FCABs, SFB | Redish Reinforcement | Turbo Toys V2 Hub | WPC Treated Rod Bearings
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Old Wed, Oct-07-2015, 01:47:51 AM   #6
MJTSUB
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Default Re: Who has installed Mason X-brace themselves?

Quote:
Originally Posted by ThrowinShapes45 View Post
My biggest concern is putting holes through the rear towers for the cross brace. I'd be interested to see how people are sealing these holes and preventing rust in the long term. I actually emailed John, and he responded in the same way, "I think you're overthinking this". Not reassuring, IMO. I have a rust box e30, I don't want my e46 turning into that.

I had the same concerns especially in an area where water can be thrown up in the wheel well and cause rusting easily.

I made my drill marks after mounting the bar and using a strike to create a small dent in the sheet metal and then using a drill to drill the correct size hole.

I then put primer on the drilled hole/bare sheet metal from drilling. I then used silicone and applied that to the threads of the bolt, the back of the washers and on the surface that primer was applied to. I used an abundance of it so that when the bolt would go through it would squeeze out additional silicone to help create a water tight seal. I then smeared additional silicone around on the openings and then wiped them clean. Not much more I could do to take preventative measures.

http://www.m3forum.net/m3forum/showt...ighlight=MASON

Last edited by MJTSUB; Wed, Oct-07-2015 at 01:52:50 AM. Reason: typo
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Discussing Who has installed Mason X-brace themselves? in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)