Parts Shop Max E46 Rear Strut Tower to Subframe Brace Bar
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Tie in your rear strut towers and subframe mounts for increased chassis rigidity
~Help prevent damage to the strut towers and subframe mounts
~ In preparation for our true coil overs, we've made the ultimate rear brace bar that was developed using a great deal of technology by first 3D scanning the E46 Chassis, then laser cutting plates and notching tubes, and finally we test fit our tig welded non-adjustable structure on several cars to get slotted holes that would accommodate the observed variations for the ultimate rigidity and reliability. Check the unibody prep photos shown in the gallery, The 60mm DIA bottom feet will need at least a 2.5" hole saw to pass through the trunk floor. The M12 hardware is accessed just through the second trunk layer, at the T shape intersection, and you'll need a 14mm or larger drill bit there in order to preserve the m12 threads just below the metal.
This is the same m12 thread & internal chassis box structure that your subframe is bolted to under the car, and we are accessing the top side of that. Bolt the feet down with included m12p1.5 25mm length bolts & flat washers, the bar clamps to the 2nd-floor panel.
***SEDAN MOUNTING NOTE** ~ Although the bar was designed on a coupe, the sedan just requires a spacer under the feet shown in gold in the gallery photos. The sedan option is added in cart. Coincidentally if you use our solid subframe bushings in the raised position, that frees up the 8.75mm top spacer which is perfect for the job of fitting the strut tower bar to the sedan with exception of its larger OD than the proper spacer option in cart.
Installation can be done entirely from the top without subframe removal.