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No electrical power
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- Newbie
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No electrical power
Hahaha, it will be etched on my mind for ever. I'll let you know what the final outcome is.
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- Senior Member
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- Joined: Thu Aug 20, 2015 1:17 pm
No electrical power
My car was dead but had a fully charged battery showing 14.1v at the charger. Turned out it must have been low on amps. A new battery from 'Tanya' delivered the next day at an unbeatable cost and car was fine again.
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- Lifer
- Posts: 5277
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- Location: NW London
No electrical power
At least it's not etched on your nads!
Just had a look at the wiring diagrams. The jump terminal is direct to battery and unfused.
Battery B+ goes direct to F102 40 A and F100 250 A fuses. They are in A400 and are worth checking, I think you've blown the 250 A fuse. Hopefully that hasn't caused any other issues but if none of the A41 (glovebox) fuses have blown then happy days as these are all downstream of the main fuse.
3.0si Sport: F10 Illuminated ZHP, Retrofit Cruise, OE Stubby, Gaptech RCH+, Kenwood BT73DAB + Handsfree, HIDs, LED Sidelights, OE LED Number Plate Lights, Custom LED strip bootlight.
- ronk
- Lifer
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- Location: Durham
No electrical power
With the above in mind - can you do a continuity test from the end of the battery terminals and let us know the results please .
It’s a cheap option than the Fuse change !
It’s a cheap option than the Fuse change !
Last edited by ronk on Sat Oct 09, 2021 6:45 pm, edited 1 time in total.
You don't stop playing when you get old - You get old when you stop playing!
So I bought a 35is with all the toys to play with.
So I bought a 35is with all the toys to play with.
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- Lifer
- Posts: 5277
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- Location: NW London
No electrical power
Not sure how that will prove the fuse on B+. Just test continuity across the fuse
3.0si Sport: F10 Illuminated ZHP, Retrofit Cruise, OE Stubby, Gaptech RCH+, Kenwood BT73DAB + Handsfree, HIDs, LED Sidelights, OE LED Number Plate Lights, Custom LED strip bootlight.
- ronk
- Lifer
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No electrical power
I’ve just realised that was gobbledegook I’d written ((aka crap) amended to say continuity over the leads!
Last edited by ronk on Sat Oct 09, 2021 7:03 pm, edited 1 time in total.
You don't stop playing when you get old - You get old when you stop playing!
So I bought a 35is with all the toys to play with.
So I bought a 35is with all the toys to play with.
- ronk
- Lifer
- Posts: 14227
- Joined: Tue Feb 24, 2009 11:50 am
- Location: Durham
No electrical power
Are main fuses expensive?
I’m surprised the battery charger is still functioning if it’s popped a 250 amp fuse?
I’m surprised the battery charger is still functioning if it’s popped a 250 amp fuse?
You don't stop playing when you get old - You get old when you stop playing!
So I bought a 35is with all the toys to play with.
So I bought a 35is with all the toys to play with.
- Smartbear
- Lifer
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- Location: a barn in Somerset
No electrical power
If your boot is still closed & you have no access inside it, are the battery terminals still joined together?Red Panda wrote: ↑Sat Oct 09, 2021 3:07 pm Thanks for the info. No you have understood exactly. No power anywhere. Very hard to access the battery area also - as the boot is locked as a bonus. Battery is at 13v. I've checked the fuses by the DME relay by the ECU - all good. The battery junction box fuse (the one which is part of the battery terminal connector?) I was thinking must be good as I'm getting 12v when I connect the battery under the bonnet?
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
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- Lifer
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No electrical power
I don't think so, maybe £ 50?
Charging/testing from the bonnet terminals would work because it's a big fat lead that just goes straight to the battery (and alternator I think).
3.0si Sport: F10 Illuminated ZHP, Retrofit Cruise, OE Stubby, Gaptech RCH+, Kenwood BT73DAB + Handsfree, HIDs, LED Sidelights, OE LED Number Plate Lights, Custom LED strip bootlight.
- ronk
- Lifer
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No electrical power
I would try and borrow a battery - even if it has to be connected to the existing leads with jump cables.
You don't stop playing when you get old - You get old when you stop playing!
So I bought a 35is with all the toys to play with.
So I bought a 35is with all the toys to play with.
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- Newbie
- Posts: 8
- Joined: Tue Jun 01, 2021 1:32 pm
No electrical power
Smartbear wrote: ↑Sat Oct 09, 2021 7:43 pmIf your boot is still closed & you have no access inside it, are the battery terminals still joined together?Red Panda wrote: ↑Sat Oct 09, 2021 3:07 pm Thanks for the info. No you have understood exactly. No power anywhere. Very hard to access the battery area also - as the boot is locked as a bonus. Battery is at 13v. I've checked the fuses by the DME relay by the ECU - all good. The battery junction box fuse (the one which is part of the battery terminal connector?) I was thinking must be good as I'm getting 12v when I connect the battery under the bonnet?
Rob
You have hit the nail on the head Smartbear - now I am in the boot, thanks to Ronk, I can see the 250amp connection is separate. Now connected, all is good. Feel a bit of a dummy, but this forum solved my wayward direction - many thanks.
- Mr Tidy
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No electrical power
That's great news.
If it ever happens again stick lump of wood or similar under the bootlid to stop it latching, or use the keyhole in the bottom of the release!
I learnt the hard way with an E46 Compact.
Coupes because stunning!
Current - Silver Grey MC, Imola Red heated Nappa & carbon trim. Aeros, H & R Coil-overs, 224s, OE Strut brace, Nav, cup-holders, DSP Hi-Fi, pdc, cruise, MFSW, no CDV! E90 330i daily
Gone - Montego Blue
Gone - Ruby Black
Current - Silver Grey MC, Imola Red heated Nappa & carbon trim. Aeros, H & R Coil-overs, 224s, OE Strut brace, Nav, cup-holders, DSP Hi-Fi, pdc, cruise, MFSW, no CDV! E90 330i daily
Gone - Montego Blue
Gone - Ruby Black
- ronk
- Lifer
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No electrical power
Happy days!
You don't stop playing when you get old - You get old when you stop playing!
So I bought a 35is with all the toys to play with.
So I bought a 35is with all the toys to play with.
- Scubaregs
- Lifer
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- Joined: Thu Jul 01, 2021 7:36 am
No electrical power
Just a thought Red Panda, you weren’t in the Lebanon the last couple of days by any chance?
I know they are saying they ran out of fuel, but............
https://news.sky.com/story/lebanon-tota ... s-12429825
I know they are saying they ran out of fuel, but............
https://news.sky.com/story/lebanon-tota ... s-12429825
Abstinence is fine, in moderation.
San Francisco red G29 30i. BMW S1000r Sport.
San Francisco red G29 30i. BMW S1000r Sport.
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- Newbie
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No electrical power
Battery safety terminal has been activated as the cars electrical system gave out a fault signal when you crossed the leads? Check it out , either it will have blown off the battery or just separated the male female connector inside the plastic housing.
Nothing works other than lights and radio or a similar mix
Had the same problem on mine, positive battery terminal not tightened after I reconnected it after winter, going fast over a bumpy road , all the lights came on on the dash it beeped twice then carried on as normal, checked it out Terminal connector of the battery intermittently caused a electrical volt change, bumpy road computer thinks accident !
Next day nothing no life except radio and lights, re charged battery, all the same, bump started it, drove it for 10 minutes and it overheated no fan!
Checked everything again and the found out about the BST!! Battery safety terminal, checked it out and it’s gone off
Nothing works other than lights and radio or a similar mix
Had the same problem on mine, positive battery terminal not tightened after I reconnected it after winter, going fast over a bumpy road , all the lights came on on the dash it beeped twice then carried on as normal, checked it out Terminal connector of the battery intermittently caused a electrical volt change, bumpy road computer thinks accident !
Next day nothing no life except radio and lights, re charged battery, all the same, bump started it, drove it for 10 minutes and it overheated no fan!
Checked everything again and the found out about the BST!! Battery safety terminal, checked it out and it’s gone off