Member
Hello everyone!
I have BMW E30 1,8i M40 1989 year. I drive car every day and generaly, he me good servant. But I noticed that when I drive about 90 per km in four gear and when I leave gas I hear some strange "buzz", like sound of fail bearing. It takes a little and be all normal again when I give gas. What might be?
Cheers,
Elvir.
Also, this is my "cube"(That we call E30 in Serbia. )
Last edited by Elvir; 09-19-2016 at 04:24 PM.
Member
Have you checked the front wheels for play?
If your e30 runs bad, switch to Megasquirt first. Then try new spark plugs, cap and rotor, wires, oxygen sensor, crank shaft position sensor, coolant temp sensor, air flow meter, idle control valve, throttle position sensor, digital motor electronics unit, harmonic balancer, fuel injectors, engine harness...
Member
You think on front bearing ? Maybe one of the possible problems ?Originally Posted by Kershaw
Member
Sure, why not? You need to check these things in person. Vibration in the front end could be a lot of things. Put the car up on the jacks and wiggle the tire top to bottom. Check the balljoints. Check the strut mounts.
If your e30 runs bad, switch to Megasquirt first. Then try new spark plugs, cap and rotor, wires, oxygen sensor, crank shaft position sensor, coolant temp sensor, air flow meter, idle control valve, throttle position sensor, digital motor electronics unit, harmonic balancer, fuel injectors, engine harness...
Member
So, when you are off throttle for a few seconds you hear the buzz? Can you determine if it is from the front or rear of the car or directly beneath you?
If you can, get a video of the sound, if not, just describe it phonetically. For example, is it a bzzzzzzz, buuuuuhhhhh, or wuhhhh?
Your car looks good too, reminds me of my first touring.
Last edited by roguetoaster; 09-19-2016 at 11:19 PM.
Member
Hey guys, I have this problem continues, but did not deal with because it is not so often.
Also, I found out that the sound is maybe coming from gearbox.
Member
I solve ths problem. It was flex disc on drive shaft.
Attachment 659507
smooth operator
the old one was kind of torn up so the little torn pieces were hitting something? that happened to me before
No e30s again.
Member
The old one was crack badly on rubber and the drive shaft was on "swing" when I leave gas on high speeds. (about 90/100km/h)
smooth operator
at last it is good now.
it must have lasted a long time since it is on a 318. on a 325, once the guibo starts going, it goes quickly and the driveshaft starts hitting stuff
- - - Updated - - -
at least, on the standard transmissions it does
No e30s again.
Posting Permissions
Reply With Quote
Bookmarks