Join Date: Jan 2005
Location: Estonia, Tallinn
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It's normal for the gauge to be like 1-2mm over the middle.
As for that comment that the manual states that it's okay for the gauge to be near red, that's bullshit... your risking to ruin your head gasket and the head itself running that hot.
The head is quite a fragile thing on M50 engines... well... actually all BMW inline six engines suffer that.
As for the gauges on the factory combi device... they are total bullshit... the water temp gauge's needle starts moving when the temperature is like 15C over normal...
I'm planning on installing aftermarket gauges for water temp, oil temp(motor, gearbox, rear diff, controller by a switch), oil pressure, vacuum and a voltmeter.
<img src='http://meph.pri.ee/~meph/sig.jpg' border='0' alt='user posted image' />
<span style='font-family:Arial'><span style='font-size:8pt;line-height:100%'><span style='color:green'><a href='http://www.clubarena.com/~bmwklubi/gallery/album32' target='_blank'>My car</a></span></span></span>
(Started as a 316... not anymore)
Custom leather interior, custom audio install, custom made bumpers, clear side and corner markers.
Custom exhaust, CAI (also custom =) )
M50B25 transplant, 325 brake system, brembo rotors, ferodo pads.
Coilover kit, 17'' rims, lots of gauges and a few surprises.