XBimmers | X7 - General BMW X7 Forum https://g07.bimmerpost.com/forums/ Chat about the BMW X7 en Sun, 07 Jun 2026 09:36:39 GMT vBulletin 60 https://g07.bimmerpost.com/forums/images/misc/rss.jpg XBimmers | X7 - General BMW X7 Forum https://g07.bimmerpost.com/forums/ am i being paranoid? Dealer shenanigans https://g07.bimmerpost.com/forums/showthread.php?t=2243865&goto=newpost Wed, 03 Jun 2026 17:44:12 GMT Hi all,

looking to buy my wife an M60i from a BMW dealer (i'll keep it anon for now)

Car is a 24 with about 20k miles. Car was not listed as a CPO. I questioned that and they said it was to keep the costs down. During negotiation i asked multiple times if in fact the only reason it wasn't CPO was cost and not an underlying condition when out of the blue dealer said okay, we'll CPO it to no cost to you.


Now here is where it gets weird. They took the car in end of April with about 20k miles, when the sales manager sent me the "CPO inspection" it showed the inspection was done in the middle of May with 17k miles.


So something clearly isn't adding up here. Took the car in with more miles then during inspection 2 weeks later had less miles?

I also had noticed that the rear bumper reflector was broken. How is that missed in the CPO certification process?

Strange right? ]]> General BMW X7 Forum 59doveblue https://g07.bimmerpost.com/forums/showthread.php?t=2243865 BMW X7 40i after 70k miles https://g07.bimmerpost.com/forums/showthread.php?t=2243837&goto=newpost Wed, 03 Jun 2026 14:22:00 GMT I am at the edge of reaching 70k. Both my maintenance plan and extended warranty are getting expired. Checking how people are maintaining after 70k miles and the warranty taken at this point of time and companies. I am really debating is it worth to maintain or sell the car at this point.... I am at the edge of reaching 70k. Both my maintenance plan and extended warranty are getting expired.

Checking how people are maintaining after 70k miles and the warranty taken at this point of time and companies.

I am really debating is it worth to maintain or sell the car at this point. Expecting huge costs in maintenance and unseen repair bills

Any suggestions would be appreciated.
Thanks ]]> General BMW X7 Forum Chicago Beemer https://g07.bimmerpost.com/forums/showthread.php?t=2243837 New X7 M60i coolant leak https://g07.bimmerpost.com/forums/showthread.php?t=2243421&goto=newpost Sat, 30 May 2026 20:23:28 GMT Hello! This is my first post here and I want to share a problem with you. I received my new X7 M60i on Wednesday. I was very excited until Thursday when I noticed what I initially thought was condensation from the AC but upon closer inspection I saw that it was green. I left the car parked until... Hello! This is my first post here and I want to share a problem with you. I received my new X7 M60i on Wednesday. I was very excited until Thursday when I noticed what I initially thought was condensation from the AC but upon closer inspection I saw that it was green. I left the car parked until today when I returned home. On the passenger side near the wheel I saw that it was wet. The car being cold I opened the caps of the two coolant tanks. The main one is ok but the low temperature one is empty and dry, the car only has 100km or 60 miles. Now I don't know what to do, should I drive the car to the dealer (8km/5miles) or call the service to pick it up? Thanks in advance
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]]> General BMW X7 Forum BogdanD82 https://g07.bimmerpost.com/forums/showthread.php?t=2243421 RDC receiver replacement (TPMS) https://g07.bimmerpost.com/forums/showthread.php?t=2243381&goto=newpost Sat, 30 May 2026 15:05:03 GMT For 2019 X7 40i, I am looking for additional info to do DIY to replace the RDC receiver (TPMS receiver) replacement. I have few questions: 1). Is receiver separate from antenna? 2). If separate is the receiver at the rear passenger side on the side wall where the rear battery and fuse boxes?... For 2019 X7 40i, I am looking for additional info to do DIY to replace the RDC receiver (TPMS receiver) replacement. I have few questions:

1). Is receiver separate from antenna?
2). If separate is the receiver at the rear passenger side on the side wall where the rear battery and fuse boxes?
3). If it has separate the receiver antenna is it below the panel outside under the car?
4). If I put new receiver do I need to code it for my VIN?
5). Do I have to use ISTA+?

Any pictures, sketches, part numbers you can share I appreciate. ]]> General BMW X7 Forum Waise https://g07.bimmerpost.com/forums/showthread.php?t=2243381 Midwest Bimmer Supply Exhaust/Evo Secondary Down Pipes https://g07.bimmerpost.com/forums/showthread.php?t=2243299&goto=newpost Fri, 29 May 2026 17:56:27 GMT Got it installed. Sneak peak attached. Getting diff and transfer case fluids changed, so i don't have any sound clips yet. Stay tuned.

Only issues have been: Valve controller appears to be faulty. Shouldn't be an issue once I contact Midwest. Also he mentioned it was approx 1 inch too long in the back, so he had to trim the exhaust pipes back slightly. Lastly, he mentioned a couple of areas are rubbing the subframe slightly (not sure where), but he said he could trim something if needed.

Got the downpipes from EVO raceworks directly.

I'm sure this exhaust is the same as those on aliexpress, but i wanted to go with a USA seller incase something was not right.

https://www.youtube.com/shorts/66rmq9kpCgA
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]]> General BMW X7 Forum 8202632 https://g07.bimmerpost.com/forums/showthread.php?t=2243299 Captain seats and trunk cargo in case of an accident https://g07.bimmerpost.com/forums/showthread.php?t=2243233&goto=newpost Fri, 29 May 2026 01:40:04 GMT Currently cross-shopping X5 vs X7 (upgrading from an '24 X3).

One question arose : when you fold the rear bench and work with only the captain seats, how safe is it if you get into an accident and your trunk has all kinds of things (especially considering you're traveling with children and the trunk is full)?
I'm worried about the lack of formal separation between the trunk and the seating area. You're only shielded by the captain seats.
Found a similar thread but wondering if there's anything new since then.

Thoughts/opinions? ]]> General BMW X7 Forum Aeromotive https://g07.bimmerpost.com/forums/showthread.php?t=2243233 Why not CPO? https://g07.bimmerpost.com/forums/showthread.php?t=2243045&goto=newpost Wed, 27 May 2026 17:19:00 GMT HI

Was looking for a x7 and came across this

https://www.bmwofbridgewater.com/vie...y?type=finance


Price a bit high, I called and ask if this was CPO, and the sales person said no. Reason given " We do not cpo cars that we think will not be driven much"?


Did not understand, Can someone help me out as why the Car is not CPO?

2. Seems bit high on the price, I am going to go take a look at it later today. I was thinking 85k tops ]]> General BMW X7 Forum Polskidebesciak https://g07.bimmerpost.com/forums/showthread.php?t=2243045 Spark plug replacement message https://g07.bimmerpost.com/forums/showthread.php?t=2243004&goto=newpost Wed, 27 May 2026 10:47:36 GMT Hello I have a 2024 x7 40i with about 48k in mileage. I got this message in the BMW App today and was wondering if this is a recommended service at around 50k miles. Hello

I have a 2024 x7 40i with about 48k in mileage.

I got this message in the BMW App today and was wondering if this is a recommended service at around 50k miles.
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]]> General BMW X7 Forum srican https://g07.bimmerpost.com/forums/showthread.php?t=2243004 Got anti-dazzle and start-stop sorted on my X7 last week https://g07.bimmerpost.com/forums/showthread.php?t=2242996&goto=newpost Wed, 27 May 2026 05:30:01 GMT 22 X7 40i with the lasers. Two things that have been bugging me since I got the car. First one — anti-dazzle. I take my kids to hockey three mornings a week down this road with zero street lights. Was either blinding oncoming traffic with high beams or squinting on low beams trying to see if... 22 X7 40i with the lasers. Two things that have been bugging me since I got the car.
First one — anti-dazzle. I take my kids to hockey three mornings a week down this road with zero street lights. Was either blinding oncoming traffic with high beams or squinting on low beams trying to see if there's a deer about to run out. Got it coded on and now the highs just stay on, car blacks out whatever's coming the other direction. My wife took it out the other night and asked me if I changed the headlights. Same headlights, they're just actually working now.
It doesn't do anything under about 60km/h though so it's useless in town. And last Tuesday in that big rainstorm it just gave up and went back to low beam, I'm guessing the camera couldn't see anything. Fair enough. Rest of the time it's been great.
Second one — start-stop. Had it coded out through BimmerCode like a year ago. Worked fine. Took it in for service around October and the dealer updated something, came home and start-stop was back on. Recoded it, held for one drive, next morning it's back. Apparently they locked it on the newer software. Got it done properly through a remote session this time and it's held through a couple weeks now including a car wash and a battery disconnect.
With three kids in the back seat the V8 shutting off and kicking back on at every light was getting real old. Especially the baby.
Anyone running anti-dazzle on the non-laser adaptive LED X7s? Wondering if it works the same or if the laser version is better at the cutouts. ]]> General BMW X7 Forum MDrivenLab https://g07.bimmerpost.com/forums/showthread.php?t=2242996 24 M60 Value https://g07.bimmerpost.com/forums/showthread.php?t=2242940&goto=newpost Tue, 26 May 2026 20:02:34 GMT Looking at an M60 locally at a dealer. They are asking $84k. It has 9000 miles. Msrp was $125k. Thoughts on what we should pay for it? 18 months of warranty left. Also considering the 40i. They seem to be closer to $70k +/-. Opinions? Thanks! Looking at an M60 locally at a dealer. They are asking $84k. It has 9000 miles. Msrp was $125k. Thoughts on what we should pay for it? 18 months of warranty left.

Also considering the 40i. They seem to be closer to $70k +/-.

Opinions?

Thanks!
]]> General BMW X7 Forum Mdef https://g07.bimmerpost.com/forums/showthread.php?t=2242940 <![CDATA[I'm looking for ISTA for G07.]]> https://g07.bimmerpost.com/forums/showthread.php?t=2242914&goto=newpost Tue, 26 May 2026 17:59:11 GMT Does anyone know where i can get ISTA for a 2019 x7 G07? I need to calibrate a wastegate and my version doesn't work for G07.

Thanks ]]> General BMW X7 Forum OG Style https://g07.bimmerpost.com/forums/showthread.php?t=2242914 60k oil change / service https://g07.bimmerpost.com/forums/showthread.php?t=2242861&goto=newpost Tue, 26 May 2026 12:39:12 GMT Question , I am heading to dealer for my 60k oil change and service on my 2022 x7 m50i - car is still under cpo and has scheduled maintenance covered up to 75k miles. The service manual says change spark plugs at 60k but my cbs system in the vehicle just shows oil service due - do you know if the... Question , I am heading to dealer for my 60k oil change and service on my 2022 x7 m50i - car is still under cpo and has scheduled maintenance covered up to 75k miles. The service manual says change spark plugs at 60k but my cbs system in the vehicle just shows oil service due - do you know if the dealer should be doing the spark plugs per manual and if so is it covered under my maintenance contract? Thanks in advance. ]]> General BMW X7 Forum MAZX72022 https://g07.bimmerpost.com/forums/showthread.php?t=2242861 <![CDATA[Premature Drivetrain Failures In X7's]]> https://g07.bimmerpost.com/forums/showthread.php?t=2242609&goto=newpost Sun, 24 May 2026 12:14:02 GMT It is no longer a secret that X7’s are experiencing high rates of drivetrain failure, … in the front and rear differentials as well as the Transfer Cases. The question is when will BMW issue a recall or provide revised service recommendations to owners? Add me to the list of failed front... It is no longer a secret that X7’s are experiencing high rates of drivetrain failure, … in the front and rear differentials as well as the Transfer Cases.

The question is when will BMW issue a recall or provide revised service recommendations to owners?

Add me to the list of failed front differentials. Thankfully I previously purchased the extended BMW Platinum VSC warranty and have an excellent local BMW service Department.

My case is particularly interesting however:

Vehicle: 22 X7 M50i with a failed front differential at 43k miles.

History:
  • The Transfer Case (TC) shuttered at 33k miles
  • TC, Front diff (FD) and Rear diff (RD) fluids all changed at 33k miles with new BMW OEM fluids
  • TC Stopped shuttering following the fluid change at 33k miles
  • At 33k miles, I had Blackstone Labs perform a chemical analysis of the three used fluids (FD, TC, RD) as well as the recommended three BMW OEM replacement fluids. (See attached report summary below)
  • Front Diff failed at 43k miles
  • I never used launch control
  • I never towed or tracked the vehicle

My Interpretation of what’s occurring with these Front differentials:
  • Based on laboratory analysis of the original front differential fluid at approximately 33,000 miles, I believe the front differential failure that later occurred at 43,000 miles was the result of progressive internal mechanical wear rather than owner neglect or delayed maintenance.
  • The differential fluid analysis at 33k miles showed significantly elevated wear indicators, including 397 ppm iron, 16 ppm aluminum, 5 ppm chromium, and an extremely elevated 236 ppm silicon level.
  • These results indicate substantial internal component wear and possible abrasive contamination long before final failure occurred.
  • Importantly, the lubricant itself remained chemically stable throughout the interval. The used oil viscosity measured 5.15 cSt at 100°C compared to 5.04 cSt for virgin recommended BMW OEM G5 fluid, indicating the oil had not significantly degraded, oxidized, or thickened.
  • This suggests the failure was not caused by neglected or deteriorated fluid, but rather by ongoing mechanical wear occurring while the lubricant remained within its designed operating range.
  • The extremely high silicon level is especially concerning in a sealed drivetrain component and may indicate residual manufacturing contamination, sealant-related contamination, or abrasive particulate contamination that accelerated bearing and gear wear. Combined with the very low-viscosity OEM front differential lubricant, abrasive silicon contamination may have reduced the lubrication film margin under high-load and high-temperature operating conditions. Silicon is an abrasive and is not present in the virgin OEM fluids.
  • In addition, the vehicle experienced transfer case shudder at approximately 33,000 miles which required fluid replacement. It is possible that abnormal torque oscillation or driveline loading associated with the transfer case condition may also have contributed additional stress to the front differential assembly.

I proactively serviced the differential fluid at 33,000 miles, vs BMW’s claimed “Lifetime status” of the fluids.

The subsequent differential failure at 43,000 miles appears consistent with an internal wear process that had already begun prior to the fluid service at 33k miles.

So, what are the implications?
  • For new X7 vehicle owners, be highly cautious during early breakin periods of high torque cornering events until the hypoid gears set in the front diff
  • It’s necessary to perform an early fluid change at 5k miles to remove the suspended early wear metals from the gears and residual silicon from manufacturing process of the differential housing that is floating in the used FD fluids. (Yes, silicon is a manufacturing byproduct of casting of the aluminum differential housing and is an abrasive). New differentials produce high initial wear metals as the gears set. Keeping those initial wear metals suspended in the fluid leads to a higher rate of future gear wear. It’s best to get both the silicon and early wear metals removed early on in the life of the differential.
  • Perform fluid changes every 10 to 15 k miles in the differentials and monitor the chemical analysis with a company like Blackstone labs to check on metal wear indicators and Silicon contaminants. My research tells me that 5 to 7 ppm of iron per 1k miles is normal. Silicon shouldn’t be present.
  • The OEM fluid for the front differential is indeed of an extremely low viscosity. It has a cSt measurement of 5.04 at 100 degrees Celsius. This is equivalent to thin ATF fluid. The question here however is do you replace it with a higher viscosity fluid? And if so, how much higher of a viscosity is reasonable? I’m not an engineer and don’t profess to know the right answer. Too high viscosity can lead to aeration/foaming behavior, certain bearings within the housing receiving too little oil distribution due to fluid dynamics, higher operating temperatures due to higher churn and viscous drag as well as potential impacts on the TC dealing with higher drag from the FD. The choices are OEM G5, Redline 75w85, or Redline 75w90NS, their respective viscosities in cSt at 100C are 5.04, 11.5 and 16, respectively. That means the latter two are 2x and 3x more viscous than OEM.

Sticking with the OEM G5 fluid honors BMW engineers, assuming the heat dissipation and fluid dynamics are of utmost importance.

Moving to Redline 75w85 requires one to believe BMW engineers are willing to sacrifice long term durability of the differential in order to meet regulated fuel efficiency requirements.

Moving to Redline 75w90NS or higher throws out the window any concerns of heat dissipation and fluid dynamics and assumes that BMW engineers are making broad material sacrifices on long term survival of the front differential to meet fuel efficiency regulatory requirements.

For my new front differential, I’m not certain which path I should take on which fluid to use.

Comments please, if you have a perspective. ???

Below I have attached a summary of my original Blackstone Reports from 33K miles.

I’m waiting for my rear diff to fail given the insanely high metal ppm that existed at 33k miles. I think it’s just a matter of time now as the iron content in the rear diff was 3X that of the front diff at 33k miles (but with only a third of the silicon contaminant level). Thankfully I bought the extended warranty.

This should not be happening at 30-40k miles for a $125k vehicle. I’ve had Toyotas and Porsches run over 200k miles without any drivetrain failure.

BMW needs to issue guidance and or a recall here. The NHTSA needs to get involved.
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]]> General BMW X7 Forum Chartmann https://g07.bimmerpost.com/forums/showthread.php?t=2242609 Failing Cats? https://g07.bimmerpost.com/forums/showthread.php?t=2242568&goto=newpost Sat, 23 May 2026 23:04:15 GMT Hi all, I have noticed that when I start the x7, especially in the morning, there is a bad smell coming from the exhaust. Not sure how to describe it. Sour? Rotten eggs? I feel like this could be the smell from failing catalytic converters, but I wonder if others have had issues with their... Hi all,

I have noticed that when I start the x7, especially in the morning, there is a bad smell coming from the exhaust. Not sure how to describe it. Sour? Rotten eggs?

I feel like this could be the smell from failing catalytic converters, but I wonder if others have had issues with their cats failing. Any way I can test them? There are no check engine codes from the monitors.

What else could it be?

This is on a m50i with low 70k miles on the odo. ]]> General BMW X7 Forum diyankov https://g07.bimmerpost.com/forums/showthread.php?t=2242568 Sell 2026 X7? https://g07.bimmerpost.com/forums/showthread.php?t=2242518&goto=newpost Sat, 23 May 2026 16:06:52 GMT I'm thinking of letting go of my 2026 X7 40i MSport, in order to invest in some real estate.

It has Driver assistance pro, and HK sound with 4k miles, no mods, like new condition

What do you all think I could get for it? ]]> General BMW X7 Forum amit1947 https://g07.bimmerpost.com/forums/showthread.php?t=2242518