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Messages - X5Sport

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1
General Discussion / Re: BMW TwinPower Turbo
« on: Yesterday at 06:09:12 PM »
Updated my reply.....and yes it is confusing.

The pre-LCI F46 (220 Gran Tourer) was a single turbo with that type of exhaust manifold, but now has two turbos as the engines have been de-tuned to get through EU6c/d emissions, and then the second turbo brings the bhp and torque back up again.

Yours could be either just the clever manifold, or a twin-scroll.  Clear as mud really!

A bit like the engine numbering being 630,635,640 but all use a 3-litre engine!  I would expect yours being a 640 it ought to be a twin scroll?

2
General Discussion / Re: BMW TwinPower Turbo
« on: Yesterday at 05:53:43 PM »
It’s a twin turbo in both of mine (E71 & F46) but I did notice that it is only the LCI F46 which actually has two hairdryers!

Are you certain that it isn’t a ‘twin scroll’?  Looking at Realoem shows a split exhaust manifold feed to the blower with a wide exhaust turbocharger scroll cage that resembles a twin-scroll.  Single scroll have almost identical stage sizes whereas yours has a ‘standard’ inlet side (charge air) and a wide driven side (exhaust).

https://www.realoem.com/bmw/enUS/showparts?id=LW72-EUR-04-2011-F12-BMW-640i&diagId=11_4474

It may be an optical illusion.

This might help though......

https://cdn.bmwblog.com/wp-content/uploads/n55_eng_3.jpg

3
For parts of the UK closer to France have very low power DAB transmitter levels set.  It’s down to Continental TV sharing the same frequency band as the UK DAB service (bad planning on our part).  The results for that part of England is poor to non-existent coverage.  You need the right aerials and diversity unit in the car (as it would if a factory build) or an external aerial.

I have noticed that the DAB(T) traffic system signals in our area are not as good this week but the DAB reception generally is fine.  Could be weather or engineering work.

4
Other Marques / Re: 640i Cabriole
« on: Yesterday at 05:43:37 PM »
Very nice......shame ‘convertible season’ is coming to an end.  :(

5
General X5 Forum (E70) / Re: High battery discharge
« on: September 20, 2018, 08:58:18 PM »
Given the X6 (well mine at least) draws 60A with the electrics on that kills a battery in under 30 mins.

I wonder much better the mpg would be without all of the modern electronics..... ???

6
Problems / Re: Radio = Battery
« on: September 20, 2018, 08:55:41 PM »
If the battery is not holding a charge then the alternator has to work harder.  That means more ‘load’ on the engine.  More load = more engine drag = lower mpg.

Shiny new battery = happy alternator = less drag on the engine = happy owner (once you’ve paid for the expensive battery that is  >:( )

7
Buy and sell / Re: BMW X6 alloys and winter tyres 19" fits E53 X5 .
« on: September 20, 2018, 04:32:20 PM »
X6 uses an active torque distribution rear drive system.  It’s only fitted to the X6 family and X5M.  Standard E70 doesn’t get it fitted.  Hence the different bores.

8
The lounge / Re: Storm damage
« on: September 20, 2018, 04:25:23 PM »
 :cry1:  As long as you and yours are safe......the rest is fixable.

Seems we’re in for another blow in the South & East tonight and then again on Sunday  :(

9
General X5 Forum (E70) / Re: High battery discharge
« on: September 19, 2018, 08:44:20 PM »
If you can find the date code number on the battery then use the link below to give you an idea of what year it was made.  I found this for decoding (or at least trying to) Yuasa batteries.....

https://www.scribd.com/doc/68738883/Batteries-Date-Stamp-Codes

10
General X5 Forum (E70) / Re: Possible new E70....
« on: September 19, 2018, 06:27:40 PM »
The Intercooler has air going through it, not oil!  If there’s oil in the Intercooler system then the turbo seals are going and that means a new/refurbished one may be needed soon.

11
General X5 Forum (E70) / Re: High battery discharge
« on: September 19, 2018, 06:25:23 PM »
It could just mean your battery is dying and nothing wrong with the regulator.  It may not be holding a charge.

What are the battery volts (read after 4 hours since last use and with the car asleep or you will get a wrong answer)?

12
Only one part number per type and the increased towing capacity has different shafts to cope with pulling 3.5T instead of 2.7T gross mass trailers.  You need the right diff and accessories for your optioned car.  They aren’t interchangeable.

13
General Discussion / Re: HRW element repair
« on: September 17, 2018, 06:43:06 PM »
You need a silver loaded paint.  You can buy it from RS Components, Farnell etc.  It is also used for repairing PCB tracks.  It isn’t cheap (well it does contain silver after all).

It does work, but use a very fine paintbrush or something like these:

https://www.amazon.co.uk/Power-TEC-91452-Touch-Tips-Set/dp/B00ATPNSKA/ref=sr_1_1?ie=UTF8&qid=1537206138&sr=8-1&keywords=touch+up+paint+brush

to apply it.

An alternative might be very fine copper track tape.  Not sure where to buy it now Maplin’s have gone.

14
General X5 Forum (E70) / Re: Possible new E70....
« on: September 16, 2018, 07:42:42 PM »
They are a small yard right alongside the A1 southbound and just north of Sandy roundabout.  Access is off London Road (I think).  They sell pretty much anything that they can get hold of.

I’m not sure what they mean by an ‘oil pipe’ either.  Could be turbo feed or oil filter mount, gearbox oil cooler or turbo Intercooler.

If they offer a warranty, read the fine print carefully.

15
Newbies section / Re: Introduction
« on: September 16, 2018, 03:10:05 PM »
Hello and welcome. :hi:

A manual version is a very rare beast indeed.

If it helps, a copy of the repair guides used by Dealers has appeared at newtis dot info.

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