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Old 12-09-2016, 10:35 AM   #41
cassiopeia76
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Join Date: Dec 2016
Location: Denmark
Posts: 2
My Ride: BMW 316i 1.9 Compact
Quote:
Originally Posted by vickk11 View Post
Hi all,
Interesting tread. I am upgrading my 316 e46 to a 318 and found out the difference thanks to you all and other links on the net. The only difference between the 316 and 318 m43TU engine is the camshaft and the DISA valve. Also when they are being changed the computer should be coded to the change. And that's it! The camshaft holds the intake valves a tiny bit longer open, and the DISA valve is not present on the 316. I hope I can feel it after I change all these Here is 2 pics I found that can show a bit..
DISA part number: 11-61-1-438-404
316 camshaft number: 11311436853
318 camshaft number: 11311739176
Sorry for wake up an old thread, but how did it go with this project vickk11?

I know Schmiedmann got this upgrade kit - 316I 1.9L to 318I M43. Myself is driving a E36 compact with engine M43B19 - 105hp. And could use some more hp, so this upgrade could be useful for me.

Thanks in advance.
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Old 12-09-2016, 11:16 AM   #42
vickk11
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Join Date: Dec 2014
Location: Denmark
Posts: 2
My Ride: 316 e46
Hi,
No problem. I replaced both the camshaft and the valve and updated the computer, Actually the computer was flashed with a 318 software. So it worked and gave me more power. My old engine was only 97,5 Bhp out of 105Bhp, when I tested it! Unfortunately I could not test the it with the new upgrade that I did, because I was stupid enough not to fix the bearings on the crankshaft and pistons and my engine broke down! So I bought a new 318 engine and now it gave me 121,5 Bhp, which is significantly better than before... But it did work even with the old engine. It was not a big difference, but still I could feel the car quicker.
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Old 12-09-2016, 11:45 AM   #43
cassiopeia76
Registered User
 
Join Date: Dec 2016
Location: Denmark
Posts: 2
My Ride: BMW 316i 1.9 Compact
Quote:
Originally Posted by vickk11 View Post
Hi,
No problem. I replaced both the camshaft and the valve and updated the computer, Actually the computer was flashed with a 318 software. So it worked and gave me more power. My old engine was only 97,5 Bhp out of 105Bhp, when I tested it! Unfortunately I could not test the it with the new upgrade that I did, because I was stupid enough not to fix the bearings on the crankshaft and pistons and my engine broke down! So I bought a new 318 engine and now it gave me 121,5 Bhp, which is significantly better than before... But it did work even with the old engine. It was not a big difference, but still I could feel the car quicker.
Thanks for your answer vickk11.
Iīll look into this project, my M43 engine only has 142k on the clock, but perhaps itīs better just to make an engine swap, like you did. Anyway thanks again and have a great weekend.
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