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#1
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2WD convert possible?
Thanks..
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X5 3.0 AUTO -2001 - 238,000 miles |
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#2
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Motor swap complicated by ews. I'm not sure if you'd be able to put in the transfer case from an xdrive model. That would be the easiest way I think.
I recently removed a damaged front drive shaft from an e90 and the car just reverts to rear drive. Not sure if that is possible or if you can somehow modify the tc to freeze the front output on pre xdrive car. I thought there was an option to get rwd on pre 03 and if so I'd find out how they did that. Maybe eliminate the TC completely and use a longer drive shaft Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#3
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Quote:
Lots of fabrication in auto to manual swap, plus all the re-coding in the DME etc.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#4
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Yes it is possible to convert to 2wd. You have to do a bit of welding on the front transfer case or something like that. Look on the E46 forums, the AWD e46 guys have done it before.
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http://WannabeRacerWraps.com |
#5
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I thought so, but I am confused. I don't see any wires at all attached to any of my moving front end parts. MY Trifecta light as been on for over a year, but everything works. Just have to emergency brake like I was taught, tap/remove,etc. If the speed sensors aren't working properly in front what else is connected to mechanically moving parts. These old X5's don't have the AWD engagement plastic gear. I would think the biggest issue is weight distribution when you remove the front drive system, transfer case. Just curious.
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X5 3.0 AUTO -2001 - 238,000 miles |
#6
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I'd be happy to learn something and be corrected, but my basic understanding of how these early (~pre-2004) x5's work is:
- the transfer case works just like a dumb differential. Constant torque split front to rear (38% / 62%). Just gears, no sensors, no actuators, no clutches, etc. - the traction control works just like ABS. Detects wheel slip / lockup and adjusts braking accordingly. For the experts, is that simplification still accurate enough for me to keep believing? I'd gladly throw a switch and be done with the front wheel drive, but am not interested in complicated mods. So I just need to know enough that I can understand how it basically works for driving or diagnosing purposes.
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2001 X5 3.0i, 203k miles, AT, owned since 2014 |
#7
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That's what I thought.. that's why I prefer the pre 2005/X5, 3.0's , they were practically bullet proof. My thought was to just cut stuff out. Imagine the weight loss when dumping the front diff, axles, driveshaft and the entire transfer case, minus the spline/cut between transmission and rear driveshaft. Cut n paste. RIGHT? Lol....
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X5 3.0 AUTO -2001 - 238,000 miles |
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Don't understand the emergency brake comment. Are you saying you can pump the brakes to control understeer?
I thought that could be the case until I had trifecta in a snow storm. In a way you are correct I think: once converted to RWD, you could drive X5 without DSC but in a slippery environment, with three open dif, the X5 is nothing but dangerous, you can't guess when you'll get engine braking and it will put you in random uncontrollable spins. With Rwd, you can at least let off the gas and still steer. You said you have trifecta but everything works. That is contradictory. Usually when trifecta won't go away and all the parts are in apparent good shape the problem is the abs module. $200 or so to send that in to have the wiring leads re welded. It's a pretty well known issue with the Bosch abs brains of the early 00s.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#9
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Ok, what I meant was. My brakes work just fine, but yes, in e.brake situation I can lock them up to skid. I too had a snow storm issue. Years ago, I climbed a steep hill and could feel the entire system take over,it was truly amazing. Then, some years ago,I was in CO and tried driving with the trifecta and you're right,it was scary to say the leasts. I drove around 10-15mph. Paid $1000 to have it fixed and within a year back in FL, trifecta was back on. SO, I am going to check n clean all four speed sensors, then, pump, then go to the supposed new abs module. THey were supposed to have changed out the Steering angle sensor. Im in FL, so I don't really need the AWD.
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X5 3.0 AUTO -2001 - 238,000 miles |
#10
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Quote:
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