Excellent. I see 200F on my Autometer gauge with the sender in the head with a Wahler 88C thermostat.
'94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
'93 325is Coupe, Schwarz, work beater 299k
'89 325i Vert, Alpine White: 5spd swapped. Sold
'04 Toyota Sienna XLE Limited AWD, In progress swapping to M50/G250, http://www.wibimmers.com/board/index...nna-25i-build/
'05 Volvo V70 R, 6mt, mostly stock, kid hauler 200k Sold
'85 Toyota LandCruiser: Lifted, gas hog. 205k
Cool. Thanks for all the reports..
So, I think we can conclude that a good working thermostat, under normal conditions and with a cooling system (fan,radiator,pump,etc) in good condition, will keep coolant temperature (measured in the head) at +5 degrees above the thermostat specified temperature, more or less.
So 80 deg C thermostat -> 85 degrees C coolant temp
So 88 deg C thermostat -> 92 degrees C coolant temp
So 92 deg C thermostat -> 97 degrees C coolant temp
I still haven't measured my real temperatures, but I'll let you know when I do.
If others have some data that confirms or contradicts above assumptions, please let us know.
Last edited by ed323i; 07-26-2018 at 09:37 PM.
1997 E36 BMW 323i (European) 275k km (171k miles), with following small mods:
- Chip tuned DME (190HP/257Nm); 328i dual pipe exhaust (plug&play); Meyle HD control arms, Bilstein B4 shocks
- Fan delete mod: Stock 92C thermostat, 80/88C temp. switch, 80/20% water/coolant; INPA says temps 100% OK
- Throttle body coolant hose delete mod; Comprehensive ASC Delete option list; Solved: -30 additive adaptation values
Bookmarks