Jump to content
  • When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

4 Speed Dilemma Need A Part/help Asap


Recommended Posts

Brothers in arms:


Short story details: new 1600 project car, blown tranny. Sitting apart at somebody elses place need to move it out quickly.


dealing with the following;

 4 speed transmission output flanges are either 3 or 4 bolt pattern. This we know.

There are at least two spline types, course and fine.

What I have are two transmissions. One is bad that came out of a 69 1600 w/mechanical clutch. Believe it is a Getrag 232 as this has the course spline and was mated to the smaller flywheel and old style pressure plate. While the good transmission, from a 74 2002, is most definitely a Getrag 242.

Getrag 242 has a 4 bolt output flange with a fine spline

Getrag 232 (the one in need of replacement) has a 3 bolt output flange with the course spline.

Problem: the drive shaft at the output flange is a 3 bolt and the good trans has a four bolt flange.

Simple; just swap the flanges, no. the splines are different. I have a 3 bolt flange from another trans (believe a 5 speed) but it too is the wrong size. The spline is fine yet the diameter of the shaft is smaller than the 242.

Question: Does anyone know if there exists a 3 bolt flange for the Getrag 242 that is the correct spline?

Is a 5 speed 3 bolt the one?

Is a 4 speed 3 bolt from and early e21 the one?

Anyone know for sure what 3 bolt output flange exists that will fit a Getrag 242?


What's needed;

A) a good/cheap 1600 4-speed-or-

B) the appropriate 3-bolt flange-or-

C) Drive shaft fabricator shop in the north bay.




But what do I know

Link to comment
Share on other sites

You are dealing with a early 1600 with a long neck diff.  The 3 bolt guibo is different than the 3 bolt E21 style. Your driveline should have 3 guibo joints in it (trans, driveline middle, and diff)  You really need to find a early course spline trans you can put the 3 bolt flange from your old box on.  What is wrong with the trans?  I will be a 232 with the Porsche style syncros.  The clutch is not going to be a problem as there was no difference between the 1600 and 2000 cc transmissions. 


Other possibility (not going to be a quick fix) is to convert the driveline and diff to short neck, 4 bolt and just use a later trans. 

1970 1602 (purchased 12/1974)

1974 2002 Turbo

1988 M5

1986 Euro 325iC

Link to comment
Share on other sites

Hey Byron,



Yes long neck diff;


Of course there is always the route of complete drive line upgrade. But I'll need to replace the control arm flanges too. Way more involved than I have the time and money for at the moment. Plus trying to keep it original as best as I can.


The 232 "popped" while on the highway and then when I down shifted into 3rd, I was never able to up shift or down shift again. Once I stopped I found that 2nd and 3rd put out the do not disturb no entry sign.  Reverse is still playing well with others.


Anyway, if you want the 232 I have, let me know.


Thinking I may have to custom build a drive shaft to get it going again.


Note: Clutch/flywheel on a 1600 is smaller than the 215mm. Good thing is my clutch & PP are in great shape. Otherwise, replace the flywheel with a newer one.

But what do I know

Link to comment
Share on other sites

I'll look and see if I have a early course spline 232 in the shed. That would be the easy fix. You might try Carl and LaJolla and see if he has one.



A working trans is the simplest way to go.


Let me know what turns up.

Edited by conkitchen

But what do I know

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • 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

  • Supporting Vendors

  • Create New...