seat occupancy code

[andrewwynn]

If you have e70 seat and e53 you need e53 seat emulator.

At least now it makes sense and correct no way you can get a new oem butt sensor for 18-25 year old car

[Henn28]

Originally Posted by andrewwynn

If you have e70 seat and e53 you need e53 seat emulator.

At least now it makes sense and correct no way you can get a new oem butt sensor for 18-25 year old car

I agree, except that I’m not sure how that would work… the e70 plugs are 3 pin/wire and the e53 plugs are 2 wire, that run into either side of the little sensor box under the seat. The e70 seats don’t have the little box.

It looks to me that the e70 seat wiring has a neutral added as the third wire that the e53 seat wiring doesn’t have.

Absolutely unrelated Andrew, but do you know if TIS has m62 rebuild data and information, like crank/cam bearing and other tolerances especially?

[andrewwynn]

Originally Posted by Henn28

I agree, except that I’m not sure how that would work… the e70 plugs are 3 pin/wire and the e53 plugs are 2 wire, that run into either side of the little sensor box under the seat. The e70 seats don’t have the little box.

It looks to me that the e70 seat wiring has a neutral added as the third wire that the e53 seat wiring doesn’t have.

Absolutely unrelated Andrew, but do you know if TIS has m62 rebuild data and information, like crank/cam bearing and other tolerances especially?

I think you are thinking of some adapter to use the e70 seat sensor in e53. That might be possible if the right conditions prevail but the normal fix is a fake seat sensor based on thr car.

Start a thread about rebuild info i can look into it.

[Henn28]

Originally Posted by andrewwynn

I think you are thinking of some adapter to use the e70 seat sensor in e53. That might be possible if the right conditions prevail but the normal fix is a fake seat sensor based on thr car.

Start a thread about rebuild info i can look into it.

Willdo...I posted some pics from the initial teardown on the Overland thread, but should probably start an M62 rebuild thread so as not to hijack the overland posts.

So far the motor looks great, especially the bores. A little polishing in them is all I see, but no scoring of any sort that I can feel with my finger/nail. I'm thinking it is most likely then that the low compression I was seeing in two cylinders is from rings or valves. I'll put new rings in it, and lap the valves as part of the process.

I've decided to put 4.6 cams into my heads and build what will essentially be a 4.4 with the 4.6 top end. I'm thinking that 80 or 90% of the 4.6's added HP comes from the heads anyway and putting the rebuild motor into something like an E36 will make for a nice project and a monster when it is done. Maybe 320-330ish HP?

The only difference between the 4.4 and 4.6 heads are the cams and the springs. I've found and bought a set of 4.6 cams, thanks to a forum member, and am looking for a set of 4.6, or aftermarket springs without having to buy the heads too (since mine are in good shape).

New 4.6 springs are available from BMW, but aren't cheap when multiplied by 32. I have one spring on order, along with the retainers, seal and locks so that I can weigh and measure it all, and then try to find a similar and cheaper alternative that will work.

I'm expecting to need new bearings on the crank, at a minimum.

[BimmerBreaker]

Seats looks great!

Is there any chance the seat bases got mixed up and the driver's seat now has the occupancy sensor?

Originally Posted by Henn28

Absolutely unrelated Andrew, but do you know if TIS has m62 rebuild data and information, like crank/cam bearing and other tolerances especially?

TIS does have this information. The repair procedure references a table which tells you what size bearings to use based on plastigauge measurements. It even lists a permissible deviation in weight from one rod to another.

[Henn28]

Originally Posted by BimmerBreaker

Seats looks great!

Is there any chance the seat bases got mixed up and the driver's seat now has the occupancy sensor?

So freaking comfortable, thanks again for the cloth, it was the right way to go. I love the “heritage” look and will definitely repeat it on whatever I end up building to out my 4.4 into.

I did t think that the seats could be reversed. I’ll definitely though. That would take the seat belt tensioners being reverseable (right?) and my upholstery guy pulling them off and then putting them back on the wrong way. Definitely possible to do, assuming that it’s physically possible.

Will check today.

[Clavurion]

Originally Posted by andrewwynn

At least now it makes sense and correct no way you can get a new oem butt sensor for 18-25 year old car

What do you mean?

https://www.hubauer-shop.de/en/senso...776921952.html

https://www.leebmann24.com/fi/de/pro...nnung-10395050