Jump to content

How do I tell if a 245/5 is the smaller 3 piece unit?


mcibmw

Recommended Posts

I'm looking at a 245 / 5 speed from what I believe is a 1979 e21. It is an original Alpina car that had an m30 swapped into it. I'm looking for the "3 Piece" 245/5 but am not quite sure what I'm looking for to tell the difference. I was told these 3 piece units have a slightly smaller bellhousing and are a little stronger. After some research on here as well as google, I haven't come to any solid conclusions and was hoping some more seasoned BMW veterans might be able to weigh in. Is this at all related to the difference between the 3 and 4 bolt bellhousing? I'll be putting this into a custom built chassis (long story) where space is at a premium so the smaller the transmission the better. The transmission is about 5 minutes from my house so I can easily swing by to grab photos of it or look for any particular numbers stamped on it, as long as I know what I am looking for.

Thanks,

Micah

Link to comment
Share on other sites

As requested, here's some photos I took of the transmission.

I observed the following numbers as seen in the photos below:

2.1

225

245.0.540.00

225

3.1

DIN 158

There is also a 79/80 date stamp.

If anyone has any information what these numbers indicate, it would be greatly appreciated.

Thanks,

Micah

post-232-13667670064463_thumb.jpg

post-232-13667670066095_thumb.jpg

post-232-13667670070538_thumb.jpg

post-232-13667670072959_thumb.jpg

post-232-13667670074596_thumb.jpg

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

  • BMW Neue Klasse - a birth of a Sports Sedan

    BMW Neue Klasse - a birth of a Sports Sedan

    Unveiling of the Neue Klasse Unveiled in 1961, BMW 1500 sedan was a revolutionary concept at the outset of the '60s. No tail fins or chrome fountains. Instead, what you got was understated and elegant, in a modern sense, exciting to drive as nearly any sports car, and yet still comfortable for four.   The elegant little sedan was an instant sensation. In the 1500, BMW not only found the long-term solution to its dire business straits but, more importantly, created an entirely new
    History of the BMW 2002 and the 02 Series

    History of the BMW 2002 and the 02 Series

    In 1966, BMW was practically unknown in the US unless you were a touring motorcycle enthusiast or had seen an Isetta given away on a quiz show.  BMW’s sales in the US that year were just 1253 cars.  Then BMW 1600-2 came to America’s shores, tripling US sales to 4564 the following year, boosted by favorable articles in the Buff Books. Car and Driver called it “the best $2500 sedan anywhere.”  Road & Track’s road test was equally enthusiastic.  Then, BMW took a cue from American manufacturers,
    The BMW 2002 Production Run

    The BMW 2002 Production Run

    BMW 02 series are like the original Volkswagen Beetles in one way (besides both being German classic cars)—throughout their long production, they all essentially look alike—at least to the uninitiated:  small, boxy, rear-wheel drive, two-door sedan.  Aficionados know better.   Not only were there three other body styles—none, unfortunately, exported to the US—but there were some significant visual and mechanical changes over their eleven-year production run.   I’ve extracted t
  • Upcoming Events

×
×
  • Create New...