G05 X5 road noise

70007

Well-known member
Hi. Does anyone have an X5 G05 with 22” wheels. I get a fair amount of noise / resonance / whining type of noise above 120km/h. The car is super quite otherwise, just this “howling” noise above 120. Difficult to discribe.


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MLorgat

Active member
Those 22's pick up buckles super easily. Take it for balancing and alignment, and check your thread wear. If either of them were off, the insides or centres get chewed up due to the nature of the Xdrive system.

Take it for high-speed balancing if you can. A lot of fitment centres in my area are using older machines, and some can't even do alignment on 22'' wheels on the X5. Best bet would probably be Tiger Wheel.

In future, do B&A every 10k KM to maximise Tyre lifespan and also alternate tyre pressures within the recommended range for both front and rear every now and again to manage thread wear (e.g 2.4 and 2.6 or 2.8 and 3.0 bars respectively).

I Don't think these 22's are practicaI for SA roads so I took off both mine and dad's 22'' wheels and swopped them for 20'' with RFT's and AT's (see Below)

1001483598.jpg
 
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MR_Y

Well-known member
Those 22's pick up buckles super easily. Take it for balancing and alignment, and check your thread wear. If either of them were off, the insides or centres get chewed up due to the nature of the Xdrive system.

Take it for high-speed balancing if you can. A lot of fitment centres in my area are using older machines, and some can't even do alignment on 22'' wheels on the X5. Best bet would probably be Tiger Wheel.

In future, do B&A every 10k KM to maximise Tyre lifespan and also alternate tyre pressures within the recommended range for both front and rear every now and again to manage thread wear (e.g 2.4 and 2.6 or 2.8 and 3.0 bars respectively).

I Don't think these 22's are practicaI for SA roads so I took off both mine and dad's 22'' wheels and swopped them for 20'' with RFT's and AT's (see Below)

View attachment 35536

Top advice here ☝️
👌
 

70007

Well-known member
Those 22's pick up buckles super easily. Take it for balancing and alignment, and check your thread wear. If either of them were off, the insides or centres get chewed up due to the nature of the Xdrive system.

Take it for high-speed balancing if you can. A lot of fitment centres in my area are using older machines, and some can't even do alignment on 22'' wheels on the X5. Best bet would probably be Tiger Wheel.

In future, do B&A every 10k KM to maximise Tyre lifespan and also alternate tyre pressures within the recommended range for both front and rear every now and again to manage thread wear (e.g 2.4 and 2.6 or 2.8 and 3.0 bars respectively).

I Don't think these 22's are practicaI for SA roads so I took off both mine and dad's 22'' wheels and swopped them for 20'' with RFT's and AT's (see Below)

View attachment 35536

Thanks, I”ll give this a go. Will do the B&A this week as a first try.


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Teezoh

Well-known member
Hold up, where's the post on the new cabbie with 10 000 photos? :ROFLMAO:

You can't create problematic threads on a new car before you show or tell.
 

Nastaliq

Well-known member
I have noticed the whistling and whining noise, also on 22", but the whistling is coming from the side view mirrors above 120. apparently as air flows against it, at higher speeds, it is forced between where the mirror caps mate with the mirror housing, on my car this is where the Cerium grey meets the black part creating the housing.

BMW advised to install felt tape along the bottom side of the mirrors to prevent the air from scooping inside there and making a noise, but that sounded completely moronic to me, so I havent done it.

I am largely deaf to it now, but a drive up from the bergs in the snow this weekend proved that the whistle is alive and well.

As for changing the tyres, wheel combos, there are whole threads on this topic and the G05 drivetrain and transfer case is very very picky about what rolling circumference is used. Each of these cars built, had the transfer case calibrated on build with a specific tyre size, wheel diameter (and resultant weight).

Bimmerpost forums seem to indicate square setups usually work fine, but some post to say it causes jerking.
While others have gone down in size with no ill effect as well.

I changed from 21s to the stock (for my build) 22s. The previous owner sold off the more expensive 22s and fitted the "looks like crap" 21s that the car came with. I wanted to keep in original, so swopped them and paid the cash difference. Car is fine with no jerking.

But the post above about not taking the car ANYWHERE for balancing and alignment is completely true.
Whats also true is that the wheels are now all soft and pickle if you go over a rock the size of a vicks tub (meanwhile apparent the car is an SUV :cool:
 

70007

Well-known member
Hold up, where's the post on the new cabbie with 10 000 photos? :ROFLMAO:

You can't create problematic threads on a new car before you show or tell.

only got it for a week now. Must still get some seat time in. Did have a quick trip to Mossel Bay the past weekend. Will put something together when I get a gap, bit hectic at the moment work wise!

On a side note, what happened to you, it’s been months since I last saw you car in Bfell?


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Teezoh

Well-known member
only got it for a week now. Must still get some seat time in. Did have a quick trip to Mossel Bay the past weekend. Will put something together when I get a gap, bit hectic at the moment work wise!

On a side note, what happened to you, it’s been months since I last saw you car in Bfell?


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Son is in high school now, so we moved a little closer in order to not sit in traffic every morning and afternoon.

Besides that and his constant sports matches all over Cape Town, the new startup is keeping me very busy so I barely have time to enjoy the car, just collecting dust most of the time.
 
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