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Getrag 265/6 and 265/5?

 
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labimmer



Joined: 17 Mar 2010
Posts: 60
Location: Truro NS Canada

PostPosted: Tue Jul 19, 2011 1:44 pm    Post subject: Getrag 265/6 and 265/5? Reply with quote

How can you tell which one is which
Would a e28 528i 1985 have the sport one 265/5


http://realoem.com/bmw/select.do?vin=9375635


Rmfd-FIVE SPEED (SPORT) TRANSMISSION 265/5.57-EV 1 01/1984 23001209586 ENDED
01 Rmfd-FIVE SPEED (SPORT) TRANSMISSION 265/5.45-HZ 1 01/1984 23001222446 ENDED
01 Rmfd-FIVE SPEED (SPORT) TRANSMISSION 265/5.45-HZ 1 01/1984 23001222446
or
01 Rmfd-FIVE SPEED (OVERDRIVE) TRANSMISSION 265/6.15-AEX 1 09/1982 23001220587 ENDED
01 Rmfd-FIVE SPEED (OVERDRIVE) TRANSMISSION 265/6.45-HY 1 09/1982 23001222445 ENDED
01 Rmfd-FIVE SPEED (OVERDRIVE) TRANSMISSION 265/6.45-HY
_________________
1975 BMW 530i E12 (M30B32)5 speed Conversion
1985 BMW 735i E23 (M30B34) 179 ECU conversion
1988 BMW 535is E28
2011 SAAB 9-5 Aero
Benz 190SL 1962
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wkohler



Joined: 11 Jul 2008
Posts: 770
Location: Phoenix, Arizona

PostPosted: Wed Jul 20, 2011 3:43 am    Post subject: Reply with quote

The only way to know for sure is to look at the location of the reverse switch.



The picture above shows a 265/6 that I bought because the seller read the numbers off the front case section, which are those for a 265/5. It came from a Euro '85 735i I didn't know for sure until I put a shifter on it and it had the overdrive pattern. Anyway, you can see above that the reverse switch was moved from the most inconvenient spot ever (if you have to remove/install the transmission) to another spot nearby. Essentially, if the switch is in the way of the upper left nut, it's a dogleg. If it's above the upper left nut, it's an overdrive.

Also, you can tell by looking at how the shifter console attaches to the rear case section. If there are long bolts that go all the way through that section, it sounds like a dogleg. If it's setup like the one pictured, it's an overdrive transmission.

This transmission could be yours, btw.

As for the 528i you're talking about, to find how the car was originally equipped, ask a dealer for the build information (give them the last seven digits like you did to RealOEM). The bmw-z1.com decoder says everything has a sport transmission, so it's not much help.

If the car was originally equipped with a 265/5, there's a good chance it might have been replaced by an overdrive unit. The 265/5 is not as strong and suffers from synchro and bearing issues, particularly on 4 and 5. So, the only real way to tell is with the reverse switch location.
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Christopher Kohler
07/80 M535i 5-Speed Polaris/Marineblau
07/75 530i 5-Speed Golf/Schwarz
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