'88 E30
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Quick search on R3v says that's high. Ground nut on the cluster tight? System bled, might want to rebleed given how you swapped the sensor. Also would be useful to take engine temps with an infrared just as a check that the gauge/sensor/wiring is reading correctly.
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I searched on r3v last night too, found lots of different opinions on the topic. Also read about the ground nut, havent checked it at all, but the gauge doesn't jump around sporadically either.
Granted 24v stuff runs a tad hotter than m20s, I will try to re-bleed as best as I can. I checked again last night and both of the hoses were very firm when warm, couldn't really squeeze the lower hose anymore. Where would you shoot the infrared temp sensor at? Thermostat housing?
Here's the thread I found for reference: http://www.e30tech.com/forum/showthread.php?t=63652
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I was under the impression that the 2 s50 coolant sensors both talked to the ecu for efficiency. A tech at BMW Concours told me that.
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@DrLeadFoot
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But to get the cluster to work with a 24v swap you need the brown temp sensor from the m20 (what I've read on every swap thread ever) It has one lead on it and is the proper resistance to work with the cluster. The one I removed from the s50 had two leads on it and my temp gauge on my cluster didn't work when it was still in the head.
I stole the sensor from the m50 that was previously in my car (m20 temp sensor was in that head)
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Actual numerical values for the coolant temperature would be nice, as would oil temp and cylinder head temps to be able to say for sure, but that isnt easily done here.
From my foggy memory, that range on the temp gauge is only around 220F on my car, so if I ever saw the needle get that high on a hot day with lots of boost/stop and go, I didnt panic.
If it never gets any higher in extreme conditions then I wouldnt have any problem driving my car like that
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Clutch is still pretty new. Haven't put on a whole lot of miles yet
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It may be a difference in thermostat temp. I have experimented with stock gauges and they are not linear, the visual middle is actually a pretty wide span of temp. I would reccomend a real temp gauge, I have an Autometer short sweep. Cheap and effective. I wouldn't worry about that reading high. I will eventually upgrade to a gauge that has a programmable indicator for overtemp. I think innovate has a combo gauge that does. I left my oe temp sensor connected and mounted under the intake manifold as an underhood temp gauge.
Sent from my potato phone.
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Good to know john.
Do you have pics of it in your car by chance?
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Been driving it for about a month now (usually just in weekends and such for fun) and I was having an issue where it would randomly die while driving.
Snap had mentioned it sounded like a main relay symptom. I swapped in a spare main relay I had from my other harness, cleaned the harness ground up and found a new ground for some accessories I was running. Also swapped DMEs to the 413 silver label that came with my s50.
(I had a spare so why not)
Beat the shit out of it for about an hour a few days ago and no random turning off whilst driving happened. Hooray!!
I just thought it was odd it would start acting up after almost 1400 miles on the swap.
I still want to get harness covers & re secure my fuse box cover
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Looking good! How much better is the s50 over the m50 in your opinion?
If my car wasn't originally m50 swapped when I bought it, I wouldn't waste time with swapping an m50 over a decent m20.
S50 feels much better
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Officially addicted to auto x
First time ever doing an event like this and it was tons of fun. Will definitely want to do this again. After pushing my car to the best of my limited abilities I can see how a proper suspension helps. Yogurtland springs on bilstein HDs made for an interesting combo of body roll, lols, and getting sideways.
There were a total of 21 drivers in the novice class and I was super happy to come in 5th! I was trying to break 38seconds and finally snuck into the 37s on the very last run
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Hell yeah! Even with the M10 in my car, I had a blast. Was planning to do a lot more this year, but didn't get the car together soon enough. FVSCC has an event on the small track at Road America this weekend that I'm hoping to make it to. Should be a lot more fun now. I get TONS of body roll. Should really work on the suspension.... but turbo...
Need to get the car together by May next year instead of late July...
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Harness covers installed
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