Temp guage & tachometer problem ...

[LyzardKing]

Ok, 89 325i Tachometer/gas MPG guages do not work, and after I recently changed the head, the temperature guage no longer works either. Where should I begin? For the temp guage I tried grounding out the sending unit (it's the brown plug, right?), but nothing happened. Any suggestions? [???1]

 

[LyzardKing]

Actually, I think I'm just going to get some aftermarket guages ... does anyone have any good insight into some good ones? ie price, ease of install, etc

 

[echothreezero]

Sound slike a faulty instrument cluster - although, the fact the entire RHS has gone, maybe just the RHS plug has fallen off the back of the IC. Pull it out and have a look. I don't know who makes aftermarket instrument clusters for e30's - usually just the faces.

 

[LyzardKing]

Yeah, I've been checking around and I think it's an issue with the SI board. I'll have to take it out and check the solders. And sorry for not knowing, but what's the RHS and IC?

Thanks for any and all assistance!

 

[echothreezero]

RHS = Right Hand Side
IC = Instrument Cluster.

 

[fosterchild420]

Where is a good place to buy another SI board? i have found them at alloembmwparts.com for $140. Is there a cheaper place or a better product somewhere else. I have been driving mine for a year with it dead, just thought i would finally fix it now.

 

[LyzardKing]

RHS = Right Hand Side
IC = Instrument Cluster.

I'm an idiot. [slap]

 

[LyzardKing]

Where is a good place to buy another SI board? i have found them at alloembmwparts.com for $140. Is there a cheaper place or a better product somewhere else. I have been driving mine for a year with it dead, just thought i would finally fix it now.

$140 isn't too bad. But check your local shop. I found one at mine for $118. The cheapest I've ever heard was like $97 or something (don't remember where). There will also be a core charge of (usually) $50, which is refunded upon return of your old board.

But once I changed mine, everything started working right away. Although the MPG gauge didn't work perfectly at first, it now does. I think it just needed some time to wear off the buildup of not moving for I don't know how long.

Good luck!

 

[fporro]

Where is a good place to buy another SI board? i have found them at alloembmwparts.com for $140. Is there a cheaper place or a better product somewhere else. I have been driving mine for a year with it dead, just thought i would finally fix it now.

i got about 40 of them, $ 35 + shipping,
you'll have to install new Rechargable batteries to it, or do that to your own board first, if it don't fix it them PM me.