Ive been in the process of getting my passengers seat fixed as it was pretty much dead it all directions except seat back with twist. I removed it and got all the motors working, seemed like there was corrosion on the commutator of all the motors. The car was a flood car (I found out the hard way)
Anyway I broke one motor by accident and it is for the front pitch inclination. P/N: 52101378838. I am looking on ebay and there is one for $29 + $9 shipping, identical. I found another with a voltage regulator attachment on the rear of the motor. Motor and gearbox look identical and it is showing up on RealOEM as another part number but for my car. According to his post, it is interchangeable with my P/N. It is selling for $24 and free shipping.
https://www.ebay.com/itm/BMW-E34-E32...5YGomC&vxp=mtr
#17
http://www.realoem.com/bmw/enUS/show...diagId=52_3638
Thank you,
Sergio S.
BMW 7er Website www.7er.com
1989 BMW 735i Schwarz (sadly, sold) // 1989 BMW 750iL Cirrusblau Metallic // 1998 BMW 740iL Oxfordgrün Metallic // 2000 M5 Carbon Schwarz ///
The no. 17 you want from realoem is 52101378838 positioning drive, pitch angle front, BOSCH, From: 06/01/1986 To : - Supersedes: 52101390248 (09/01/1986 — 11/28/1995), Part 52101378838 was found on the following vehicles:
•5' E34 (03/1987 — 12/1996) •7' E32 (10/1985 — 08/1994)
in the offer is mentioned: Interchange Part Number: 1378839, 1378839779, 52101378836, 1 378 839 9, 13788399, 52101378838, 52101389416
Shogun tricks and tips for the E32 series are HERE!
Thanks, just needed to double check. Any reason why this voltage regulator is attached to some of these motors?
BMW 7er Website www.7er.com
1989 BMW 735i Schwarz (sadly, sold) // 1989 BMW 750iL Cirrusblau Metallic // 1998 BMW 740iL Oxfordgrün Metallic // 2000 M5 Carbon Schwarz ///
I assume for the seat and mirror memory versions http://www.e38.org/e32/BMW_pdfs/smm.pdf
we once disassembed these gears on a defective Alpina B12 sports seat, they are all different, see the TI above
Last edited by shogun; 11-13-2017 at 05:45 AM.
Shogun tricks and tips for the E32 series are HERE!
I just did a seat teardown on the E32 I'm restoring a few days ago. The Ebay link that you provided seems to be the motor for the seat rails to move forwards and backwards. As you will see, to remove these motors you will need to remove the plate underneath the seat that are not bolted on, but riveted. There is no way to slide out the motors without removing this metal plate.
I have removed the seats and I just used an air chisel gun and sheared the rivets off. This gave me access. The seat inclination motor looks like its the seat rail motor but there are 2 that look alike. The seat rail motor has a thru shaft on the gearbox with 2 ends. The other end attached to the rod that drives a gear on the other side of the seat.
Purchased the eBay motor, still waiting for it to ship
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