| nsbone |
Posted
Monday, Dec 11th 12:38am [Edit] [Quote] [IMS] [View car] |
Member
Post nr. 446
KL, Malaysia
e21 323/6 316, e34 520i, e32 730i |
Hi,
I am planning to convert my 316 (M10 engine).
I found a gearbox set for M10 (3HP22) of a 320/4, but has been sitting for a while.
My question:
- will the auto trans fit from 320/4 fit into 316?
- Do i need radiator for auto gearbox? (ie does 3HP22 come with gearbox cooling hoses to the radiator?)
Any other gotcha?
thanks in advance,
rahman |
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| BruceH |
Posted
Monday, Dec 11th 12:44am [Edit] [Quote] [IMS] [View car] |
Member
Post nr. 1065
Atlanta, GA USA
81 323 Baur, 85 745 |
The 3HP22 is cooled by the radiator. Either source a 320 auto rad or rig a separate cooler.
You are going to have wiring issues to sort thru, nothing major but the auto has a no-start in gear switch. Reverse light leads are going to have to come up into the shifter assembly.
I went from an auto to manual on the 323. I had to swap driveshafts out. I am pretty sure you are going to have to do the same. Make sure you grab the driveshaft from the auto 320 along with the slushbox.
Bruce |
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| nsbone |
Posted
Monday, Dec 11th 12:49am [Edit] [Quote] [IMS] [View car] |
Member
Post nr. 448
KL, Malaysia
e21 323/6 316, e34 520i, e32 730i |
Hi,
Thanks for the tips.
Another question, how about the gearbox crossmember (mounting bracket), can i reuse my current crossmember meant for the manual trans?
Yeah, actually i am still missing the radiator and its hoses...hmmm |
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| BruceH |
Posted
Monday, Dec 11th 3:24am [Edit] [Quote] [IMS] [View car] |
Member
Post nr. 1067
Atlanta, GA USA
81 323 Baur, 85 745 |
I seem to remember swapping out the "crossmember" on the Baur. I would bet it is different for you too.
Grab more than you think that you will need. |
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| bmw_m_320i |
Posted
Monday, Dec 11th 4:51am [Edit] [Quote] [IMS] [View car] |
Member
Post nr. 737
Helena, Montana
none right now :( |
Why not try and find a 4HP22 from an E30 318i, E23 735, E28 535, E24 635. basically anything with an M10 or M30 will bolt up, just make sure its not a 4HP22EH which has an electronic valve body, making installation alot more difficult. The 4HP22 would give you overdrive, which would lower highway RPMs quite a bit and increase MPG |
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| nsbone |
Posted
Monday, Dec 11th 6:53am [Edit] [Quote] [IMS] [View car] |
Member
Post nr. 449
KL, Malaysia
e21 323/6 316, e34 520i, e32 730i |
Hi,
Are we talking the gearbox from e30 318i with M10 or M40 engine?
rgrds, |
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| bmw_m_320i |
Posted
Monday, Dec 11th 8:50am [Edit] [Quote] [IMS] [View car] |
Member
Post nr. 738
Helena, Montana
none right now :( |
from an M10 engine |
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| nsbone |
Posted
Monday, Dec 11th 9:40am [Edit] [Quote] [IMS] [View car] |
Member
Post nr. 450
KL, Malaysia
e21 323/6 316, e34 520i, e32 730i |
ok ok! my assumption is right... |
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