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Old 10-03-2012, 03:27 PM
PSUEng PSUEng is offline
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Location: SE
Join Date: Oct 2010
Posts: 406
Mein Auto: 2007 X3
Originally Posted by Supercourse View Post
Chris, the SPS-410's are a 4 point mount as well - that's fairly standard. Evl describes using a big flat washer to clamp the speaker frame where you fabricated a square one.

Might be a difference in the shape of the speaker frame, just like the lugs can be a different shape and 1 needed cutting off in your case.

Not sure about your point on the rear speakers - maybe it has been discussed that although both pairs of speakers are well worth upgrading, you will notice the effect more in the front.

Because your model doesn't have the factory component tweeter in the fronts that the N. American market base system has, you benefit even more with the upgrade to co-axials.

Don't know what your best option would be on the amplifier situation - just surprised that the base U.K. system doesn't even have one, especially as the stock 4" door speakers look the same.
I was on the fence about only changing out the front speakers and leaving the rear stockers in place. I decided against it as I felt that given the placement of the speakers relative to my head when driving, the rear speakers would just continue to sound horrible--so I changed them all out and have no regrets.
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