There is a video under owner section from BMWUSA website and the height is 5' 6" tall.

BMW North America=

You are correct that BMW don't specifically advise against booster seats in the 3rd row. They simply don't address non-tethered car seats, lumping all car seats in together. They focus on child restraint devices, which I interpret as seats having restraint harnesses. Some seats for up to 12 years old have tethers, but obviously a simple booster cushion does not.

I think it is a judgement call as to the use of booster seats in the third row. The risks are that the seat may not be set up correctly and the belt tightened each time, because it is hard for the parent to access the third row. If the child releases the seat belt, it is harder for the parent to notice. Those are judgement issues, up to each parent.

I noted originally that BMW advises against putting child seats in the third row, which is true. It is hard to argue with the logic that it is reasonable to do so, especially given that the manual (and Meister's post above) both note that the 3rd row is equipped with locking seat belts for child seats. The ability to lock the lap/shoulder belt is important, so that the belt doesn't loosen during a trip.

Drive safe.

Both parts of the second row seat moves, the back part can recline back or forward and the bench part you sit on moves forward also, its make them quite comfortable for long trips.

Hi Meister,

The seat belts we get here are all " Inertia-reel seat belts with pyrotechnical belt tensioners and belt force governors"

What do you mean by locking feature except on driver's belt!

I am pretty sure we don't have that here, we actually by law have seperate mounting points in the BMW's (for that matter all cars here have them) for child restaint belts to clip into to hold the child seat on the back seats.

Believe it or not but when you buy a Merc convertible here they give you a free special child (baby) seat with belts to clip in there brackets. Rather than supply the correct standard brackets for Australia they must have thought it cheaper to supply the baby seats to suite the brakets from Europe who use the same system.

Yes, had a look at that and yes we have the seperate latch brackets for cargo webbing and tying items but we also have seperate brackets to clip the baby seats onto.

Our baby seats come with a standard harness (like seat belts) that use these brackets, so you can move your baby seat from one vehicle to another as it is a Australian standard, which is pretty good idea.

So, if you disagree, it must be wrong. I think you need therapy!!
But don't worry, I and everyone in this forum will support you during you therapy needs... :thumbup::stickpoke

Tethering child seats are the same as child restraint devices that uses the LATCH system.

In the manual it is very generic in its statement and talks about the child seat with picture of how to tether to the latching system (hooks) for the child seats. It even shows the pictures

+++
It even show a picture of the booster seat being installed but they call it child restraint devices (generic term), so the manual do refer to boosters and can be secured in the 3rd row seats.
Read the section under "Child Seat Security"
As you even mentioned and states int he manual "all of the safety belts of the 2nd and 3rd row seats and passenger seat belts can be locked to prevent them from pulled out in order to secure child restraint devices.

This statement says the safety belts in the 3rd row are made for securing child restraint devices (means boaster seats 40-80lbs).

Personally I think the manual is a bit contradictory.
Like I said and I believe someone else said this before me, BMW covers them self well in the manual so that they are not at risk of liabilities.
(you can do it, but don't do it) :dunno:

Well, at the risk of entering a debate that may have already gone over the edge....

Meister, I think you need to calm down. Your tone is insulting.

BMW refers to child restraint devices in the generic sense in the manual. They don't give the reason for not putting children in child restraint devices in the third row, but they make clear that the third row doesn't include tether anchors (yes, I know what they are, and I do know that they represent the T in laTch, so your claim that LATCH and tethers have nothing to do with each other is nonsense). Lower anchors don't matter, as seatbelts do the same function. Top tethers do matter and they are what the 3rd row is missing.

You can either use individual judgement and conclude that if your car seat doesn't have a tether you are OK in the third row. Or, you can pedantically read the manual and conclude things from it that may be extrapolations at best. Or, you can read the manual and decide what the German words translated to English by a copywriter actually meant in their first language. Or, you can keep your child out of the third row and just call it a day. Your call.

With any of the above options, dropping the swearing and overly dramatic putdowns will contribute to a happier community, IMHO (I use it to mean humble opinion, not sure where honest comes from). I refer us all back to the thread that Michelle posted, a sticky at the top of the forum, suggesting that a modicum of decorum goes a long way.

LOL, you humble! you are actually funny! :rofl::rofl::rofl:
Good luck with therapy dude! Me:stickpokeYou = BEST buddies!!Forever!!:D

But I think Meister is Okay! We'll all chip in for "get well soon" flowers for you.