Vartan Gharpetian Posted October 11, 2022 Share Posted October 11, 2022 Hello 2002FAQ family, I recently purchase a 235 Getrag dogleg transmission, condition unknown. The gentleman I purchased it from mentioned that he owned it for several years and the person he purchased it from said it was in a good working condition. Before installing it on my 02, I like to get some advise on the followings: What usually goes bad on these transmissions? Is there a repair kit that I can purchase and keep incase I need it in the future? Who may have parts that may want to part with? Who(expert) would you recommend in Southern California? As always, I would appreciate your advise and help. Quote Link to comment Share on other sites More sharing options...
Solution Dudeland Posted October 11, 2022 Solution Share Posted October 11, 2022 How much you want to spend? MM can fix you up, or are you thinking like cross referencing bearings?. Quote Link to comment Share on other sites More sharing options...
Vartan Gharpetian Posted October 11, 2022 Author Share Posted October 11, 2022 Where is MM located at? I need them to inspect it and let me know what has to be done on it, if any. Quote Link to comment Share on other sites More sharing options...
Son of Marty Posted October 11, 2022 Share Posted October 11, 2022 Richmond MO, that took about 10 seconds to google. 1 Quote Link to comment Share on other sites More sharing options...
kbmb02 Posted October 11, 2022 Share Posted October 11, 2022 51 minutes ago, Son of Marty said: Richmond MO, that took about 10 seconds to google. You googled “MM” and found the specific vendor location in 10 seconds? 2 3 Quote Link to comment Share on other sites More sharing options...
Furry Camel Posted October 11, 2022 Share Posted October 11, 2022 Syncros are NLA, which is the most common problem. The thing is, you need to put it in a car and drive it so you will be more educated on what to tell any prospective rebuilder the problem/s it has, if any. 1 Quote Link to comment Share on other sites More sharing options...
Vartan Gharpetian Posted October 11, 2022 Author Share Posted October 11, 2022 Great advise, thank you. Quote Link to comment Share on other sites More sharing options...
uai Posted October 11, 2022 Share Posted October 11, 2022 If you get an endoscope you can already check some of the destructions through the oil filler plug. Check the gearwheels to the rear of the box. Synchros can be refurbished - at least here in germany some companies do that. 2 Quote Link to comment Share on other sites More sharing options...
Rich Posted October 11, 2022 Share Posted October 11, 2022 Jim at metric rebuilt mine, it is well worth the money 1 Quote Link to comment Share on other sites More sharing options...
rstclark Posted October 11, 2022 Share Posted October 11, 2022 Search is your friend here. There is good info on what typically wears and needs work I wouldn't rush into rebuilding it until you have tried it in the car Quote Link to comment Share on other sites More sharing options...
Vartan Gharpetian Posted October 11, 2022 Author Share Posted October 11, 2022 @RSTCLARK, @RICK and @UNI thank you so much for your guidance and advise. Quote Link to comment Share on other sites More sharing options...
otisdog Posted October 11, 2022 Share Posted October 11, 2022 Jack Fahuna, Pro BMW in the valley. Quote Link to comment Share on other sites More sharing options...
Mark92131 Posted October 11, 2022 Share Posted October 11, 2022 16 hours ago, Vartan Gharpetian said: What usually goes bad on these transmissions? Mine had a bad output shaft which I sourced a NOS one in South America. Had the bad one repaired. Rebuilt by Bill Holmes of Bavarian Rennsport. Replaced a couple of worn synchros from Germany while it was open. Mark92131 1 Quote Link to comment Share on other sites More sharing options...
otisdog Posted October 13, 2022 Share Posted October 13, 2022 You probably will need a different length driveshaft also. Quote Link to comment Share on other sites More sharing options...
Furry Camel Posted October 14, 2022 Share Posted October 14, 2022 8 hours ago, otisdog said: You probably will need a different length driveshaft also. From 4 speed to 5 speed, yes. From 5 speed to 5 speed (245 to 235), no. Quote Link to comment Share on other sites More sharing options...
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