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Search: Posts Made By: bono
Forum: X5 (E70) Forum 07-26-2019, 03:25 PM
Replies: 19
Views: 681
Posted By bono
I believe that the oil temp is usually ca. 10C...

I believe that the oil temp is usually ca. 10C about the engine temp, i.e. in 95-100C range. When towing 7,000 lbs, it is ca. 10C higher, i.e. in 100-110C range. I am not surprised by additional 15C...
Forum: X5 (E70) Forum 07-26-2019, 01:30 AM
Replies: 19
Views: 681
Posted By bono
I tow 7,000-7,200 lbs trailer with X5d (nickname...

I tow 7,000-7,200 lbs trailer with X5d (nickname kanar from the other forum). Last week I drove from Yosemite to Shaver Lake. The last part of the road is 12 miles 8% grade in average and partially...
Forum: X5 (E70) Forum 01-15-2019, 06:53 PM
Replies: 145
Views: 19,491
Posted By bono
Forgot to add... This is not even due to rear...

Forgot to add... This is not even due to rear axle overload (axle has safty margin built in) but due to light front axle and problems with handling / braking.
Forum: X5 (E70) Forum 01-15-2019, 06:51 PM
Replies: 145
Views: 19,491
Posted By bono
My observation is that when you need air...

My observation is that when you need air suspension due to sag, you actually need weight distribution and then you may not need air suspension.
Forum: X5 (E70) Forum 01-15-2019, 03:25 PM
Replies: 145
Views: 19,491
Posted By bono
You were brave towing uhaul trailer @75 mph. Did...

You were brave towing uhaul trailer @75 mph. Did you check the speed rating of the tires? I expect they were rated to max 65 mph.
Forum: X5 (E70) Forum 11-12-2018, 12:30 PM
Replies: 145
Views: 19,491
Posted By bono
I have bunk beds in the back. The inverter and...

I have bunk beds in the back. The inverter and batteries are under the bed.
Forum: X5 (E70) Forum 11-12-2018, 12:29 PM
Replies: 145
Views: 19,491
Posted By bono
1,100 lbs payload is just standard value BMW is...

1,100 lbs payload is just standard value BMW is using across all E70 engines. Check your approved gross vehicle weight and the actual weight, the difference would be the real payload. Anyway, IMO...
Forum: X5 (E70) Forum 11-11-2018, 07:00 PM
Replies: 145
Views: 19,491
Posted By bono
It appears that you do not know that German...

It appears that you do not know that German automotive industry is not only BMW and MB, but that's fine.

Anyway, if I were you I would stop glorifying MB hitch, which was known for weak welds and...
Forum: X5 (E70) Forum 11-11-2018, 02:19 PM
Replies: 145
Views: 19,491
Posted By bono
E53 (predecessor of E70) had those torsion arms...

E53 (predecessor of E70) had those torsion arms as the hitch assembly. E70 unibody is significantly stiffer than E53 and maybe this is the reason why BMW came to the conclusion that arms are not...
Forum: X5 (E70) Forum 11-11-2018, 01:34 AM
Replies: 145
Views: 19,491
Posted By bono
I think that the mounts to the unibody are strong...

I think that the mounts to the unibody are strong with significant margin. I agree that the long drop plates between the cross bar and the receiver are the weakest point. Therefore, I reinforced the...
Forum: X5 (E70) Forum 11-10-2018, 01:10 AM
Replies: 145
Views: 19,491
Posted By bono
I am only boon-docking. My mods include: lithium...

I am only boon-docking. My mods include: lithium batteries 400Ah, 2800 Magnum inverter, 640W solar panels. I ordered the trailer with two 20 lbs tanks instead of 30 lbs and relocated the batteries to...
Forum: X5 (E70) Forum 11-09-2018, 06:29 PM
Replies: 145
Views: 19,491
Posted By bono
Your tongue weight appears to be too high and I...

Your tongue weight appears to be too high and I would try to go down. You do not need more than 10% TW, unless you tow 80 mph.
Forum: X5 (E70) Forum 03-26-2018, 12:22 PM
Replies: 145
Views: 19,491
Posted By bono
That's fine. I do not care about trucks, will...

That's fine. I do not care about trucks, will never own one, etc., but since many people are using them with WD, I mentioned trucks which are body on frame. Again, the question was about unibody and...
Forum: X5 (E70) Forum 03-26-2018, 12:05 PM
Replies: 145
Views: 19,491
Posted By bono
I am not comparing anything. The question was...

I am not comparing anything. The question was about unibody and WD hitch. From a technical perspective, there should not be a problem with using WD on unibody, due to general chassis stiffness.
Forum: X5 (E70) Forum 03-26-2018, 12:25 AM
Replies: 145
Views: 19,491
Posted By bono
There is even youtube videos showing this - no...

There is even youtube videos showing this - no problem with opening doors / tailgate in X5, when the car goes off road. Truck frames are flexing in similar situations. This is pure engineering, any...
Forum: X5 (E70) Forum 03-25-2018, 08:28 PM
Replies: 145
Views: 19,491
Posted By bono
Unibody is stronger than body-on-frame. The most...

Unibody is stronger than body-on-frame. The most challenging part are the mounts point for the hitch. Many unibody manufacturers require WD to achieve full tow capacity.
Forum: X5 (E70) Forum 03-25-2018, 03:43 PM
Replies: 145
Views: 19,491
Posted By bono
Sorry, I thought you were referring to...

Sorry, I thought you were referring to reinforcement of Execuhitch to use WD. I reread you post and this was my mistake. I have OEM hitch and have Can Am type of reinforcement. My tongue weight is...
Forum: X5 (E70) Forum 03-25-2018, 12:04 PM
Replies: 145
Views: 19,491
Posted By bono
What reinforcement you can do to use a WD with...

What reinforcement you can do to use a WD with Execuhitch?
Forum: X5 (E70) Forum 03-24-2018, 05:43 PM
Replies: 145
Views: 19,491
Posted By bono
Towing this trailer on cruise control 60 mph the...

Towing this trailer on cruise control 60 mph the average mpg is 15 (between 14 and 16 mpg).

https://i.imgur.com/7Mm4Fn4.jpg?1
Forum: X5 (E70) Forum 03-24-2018, 05:39 PM
Replies: 145
Views: 19,491
Posted By bono
To be precise - Westfalia and Oris make EURO...

To be precise - Westfalia and Oris make EURO hitches for BMW. Appears that Oris merged with Bosal?
Forum: X7 Forum 05-22-2015, 09:43 AM
Replies: 8
Views: 8,151
Posted By bono
I don't think, or rather hope, they will start in...

I don't think, or rather hope, they will start in the $80k's. They need to compete with others, e.g. Mercedes GL.
Showing results 1 to 21 of 21

 
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