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Roof motor FIRE!
- Ducklakeview
- Lifer
- Posts: 6362
- Joined: Tue Mar 22, 2016 4:08 pm
- Location: Merseyside
Roof motor FIRE!
Ok,
So had a zed here today that the (forum) owner bought with the roof inop.
Pulled it out and could SMELL it..
Was seized solid, even the end cap was a nightmare to get off..
The sponge and cables were visibly scorched!
Opening up the motor revealed more fire damage..
Motor wass behind repair due to the toasted board, so a refurb fitted and he was on his way.
Just another thing to be aware of, if the sponge had been dry, I think it would have gone up..
Mike
So had a zed here today that the (forum) owner bought with the roof inop.
Pulled it out and could SMELL it..
Was seized solid, even the end cap was a nightmare to get off..
The sponge and cables were visibly scorched!
Opening up the motor revealed more fire damage..
Motor wass behind repair due to the toasted board, so a refurb fitted and he was on his way.
Just another thing to be aware of, if the sponge had been dry, I think it would have gone up..
Mike
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- Member
- Posts: 314
- Joined: Sun Mar 19, 2017 8:56 pm
- Location: Carlisle
Roof motor FIRE!
Lucky escape then by the look of it.
DaveZ4richardson
3.0i 2003 E85 auto cruise control, smart top module.
3.0i 2003 E85 auto cruise control, smart top module.
- kis
- Lifer
- Posts: 4546
- Joined: Wed Jul 20, 2016 2:33 pm
- Location: Surrey / West Sussex Boarder
Roof motor FIRE!
One time when not clearing drains probably saved the day!!
My E85 Z4 3.0i SMG
BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71
BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71
- Ewazix
- Lifer
- Posts: 4721
- Joined: Sun May 02, 2010 5:30 pm
- Location: Somerset
Roof motor FIRE!
.......... and this all you critics of BMW's roof motor design, is why they chose to locate it in a water filled sump - it's a fire safety feature
2003 2.5 SE, low miles, Sterling Grey, 108's & Eagles, no stubby here! Unmolested.
2018 Cooper S Countryman
Fiesta Ecoboost
2018 Cooper S Countryman
Fiesta Ecoboost
- kis
- Lifer
- Posts: 4546
- Joined: Wed Jul 20, 2016 2:33 pm
- Location: Surrey / West Sussex Boarder
Roof motor FIRE!
Not if the drains were operating properly!!
My E85 Z4 3.0i SMG
BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71
BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71
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- Member
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- Joined: Sun Apr 09, 2017 6:51 pm
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- Newbie
- Posts: 4
- Joined: Sat Aug 12, 2017 5:54 pm
Roof motor FIRE!
Hi, I am the said owner, great to have the roof working as it should. Excellent job and very informative,thanks Mike.
- Beedub
- Lifer
- Posts: 11011
- Joined: Wed Sep 10, 2008 2:25 pm
- Location: Sutton Coldfield
Roof motor FIRE!
this thread made me smile but.. wow bmw... what shocking design
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- Smartbear
- Lifer
- Posts: 13685
- Joined: Wed Feb 05, 2014 6:54 pm
- Location: a barn in Somerset
Roof motor FIRE!
A fuse is designed to protect the wiring & not the appliance, the wires don't seem to have burnt so it's job done
Rob
e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold
- Gaffa22
- Member
- Posts: 407
- Joined: Wed Aug 16, 2017 9:31 am
Roof motor FIRE!
So basically you could be buggered if it's dry and deffo buggered if it's wet
Confused
Confused
2010 E89 35i DCT
2017 Honda CBR1000RR fireblade
2016 Honda VFR1200F
2017 Honda CBR1000RR fireblade
2016 Honda VFR1200F
- Ducklakeview
- Lifer
- Posts: 6362
- Joined: Tue Mar 22, 2016 4:08 pm
- Location: Merseyside
Roof motor FIRE!
Yes, it's controlled by two relays and a 40a maxi fuse, however I think that as the bottom bearing had seized due to the water, it was spinning said bearing in the endplate. Obviously a hardened steel ball spinning a several thousand RPM against a steel plate is going to produce some heat! The motor generally draws about 9 amps, but a 40a fuse would allow it to draw probably 50-60a without blowing.
Mike
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- Lifer
- Posts: 9539
- Joined: Sat Jun 13, 2015 9:09 am
- Location: South west Buckinghamshire
Roof motor FIRE!
Christ, I'm going fill my boot with water then
BMW Z4 30i 2003 auto 107's Whippy Toledo Blue
Beige M sport seats, wood dash
Toyota MR2 NA 1995
Triumph GT6 1972 (project)
Land Rover Discovery 1994 TDI (Tow car)
Mini 1000 1981
Beige M sport seats, wood dash
Toyota MR2 NA 1995
Triumph GT6 1972 (project)
Land Rover Discovery 1994 TDI (Tow car)
Mini 1000 1981
- MrPT
- Lifer
- Posts: 4747
- Joined: Sun Oct 21, 2012 7:44 pm
- Location: Bucks/Oxon
Roof motor FIRE!
Drop a tea bag in there. Nice little cuppa-on-the-go.
2008 Z4MC: heavy wheels | crap suspension | skittish rear end | wobbly engine | not enough induction noise | underwhelming turn in | inconsistent braking | lardy battery | chubby steering wheel
2006 Z4 2.5si: gone
2006 Z4 2.5si: gone