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      04-26-2009, 11:18 AM   #7
Gearhead999s
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Drives: E93 335is(wifes)E92 M3
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Quote:
Originally Posted by lucid View Post

I've been looking at trailers and I found one at 2000lbs, so the total is about 5500lbs. The X5 is rated at 6000lbs, so that should be fine. I trust the rating methodology.



Also, are the brakes on the trailer a requirement or a recommendation? I can see things getting really tight if you were to rely on the X5 brakes only with a combined 10000lb and a pivoting mass in the back. Should I be looking for a specific type of brake setup on the trailer? Are there any issues with making the trailer brakes work with the X5? How is the brake bias controlled?

Finally, are there any insurance concerns here? If both cars are on my regular policy, will they both be covered in a tow situation?

Thanks in advance.
I think that you find that in most States that a trailer over 2000 lbs require brakes and here in Ontario it is manditory over 3000 lbs.The simplest brake system is surge brakes which do not require any hookup from the tow vehicle,but are useless in slippery road conditions as they require the tow vehicle start decelerating before activating.But a proper setup under reasonable traction conditions will out perform electric brakes most of the time.I have had surge brakes with 4 wheel dics on an aluminum open car trailer that worked great in summer condtions but I discoved how useless that setup was in snow quite quickly!Electric brakes do not stop nearly as quick on bare pavement and are subject to fade & adjustment issues but do work much better in slippery conditions as you can control the brake bias by the controller.

I think that if you are looking at an X5 you must make sure that you have a proper weight distributing hitch and the proper trailer brake setup in order to make the towing hassle free.Used 1/2 pickups are also dirt cheap right now and would probally be a better choice IMO.
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