Discussion about issues encountered whilst converting to M3 Flash and GWS

aus335iguy

Colonel
Nov 18, 2017
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Down under
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335i DCT 2009
A thought ...The gearbox has an input shaft speed sensor. It already knows that the revs don’t match the request. Wonder if it flags it with a code in the cars that you altered the LC value ?
 

Jake@MHD

Major
Platinum Vendor
Nov 7, 2016
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Philly
A thought ...The gearbox has an input shaft speed sensor. It already knows that the revs don’t match the request. Wonder if it flags it with a code in the cars that you altered the LC value ?

Zero issues with the LC value being edited on DME side.
 

RSL

Lieutenant
Aug 11, 2017
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Busy day at work, sorry. I haven't done the M3 conversion yet, but someone that's on a stock bin might be best, just to rule any scaling/tuning issues out. Then again might need some adjustments to smooth anything out after.

Would be interesting to test it on varying degrees of M3 swapped parts, but as a start, someone that has blatant and easily repeatable shift issues and a minimal amount of parts swapped would be great. At this point though, anyone or everyone just to prove/disprove the viability.
 

dyezak

Major
May 4, 2017
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Plano TX
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335is
I'm packing up and heading out to the hill country for a weekend of zero connectivity, no internet, no phones...only guns, beer, and turkey waiting to become dinner.

In other words I won't be making any progress until I get back.
 

Stokes

Sergeant
Jan 26, 2018
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Houston, TX
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2011 BMW 135i
I'm sitting on the sidelines waiting for the N54 solution so the N55 can follow sometime later. Otherwise, I'd be an option for testing.
 
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NoQuarter

Major
Nov 24, 2017
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Indiana, USA
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Z4 35is, 535xi, X5 35i
I'm packing up and heading out to the hill country for a weekend of zero connectivity, no internet, no phones...only guns, beer, and turkey waiting to become dinner.

In other words I won't be making any progress until I get back.

Contrary.... this is a perfect step to making progress. Our hobby needs to stay fun and your effort went way above what you expected I am sure. Time to step back and come back at it when ready.
 

RSL

Lieutenant
Aug 11, 2017
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Might be easier with someone close by, but it isn't a ground up logic build from the sound of it. Did Jake specifically ask for that? No sure anyone with the conversion in this thread is remotely close to him, so hopefully, it's not a requirement.
 

BMWJunkie

Private
Dec 25, 2016
37
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I'm not local but we've worked together several times and I have a for sure method of testing with my 2.81 diff and my rpm mismatch.