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Car Forum / BMW Cars / August 2005E32 wheel wobble (still!)
Friend's 1994 E32 740iL (88k miles) fitted with what look like E39 16" wheels. He had a pretty bad wobble at about 70-80mph. changed the T/C arms & bushes and also both track rods (old ones were seized and one ball joint was knackered). Still wobbled! Swapped whels from front to rear and now the wobble is *much* worse and appears at ~50mph!! Could this wobble be due to the E39 wheels not being suited to the E32 hubs? Does he need to fit hub-centering rings?? Any advice or help much appreciated. JB > Could this wobble be due to the E39 wheels not being suited to the E32 hubs? > Does he need to fit hub-centering rings?? Almost certainly, yes. I have E39 wheels on my E28 with the rings and it's fine.  SignatureWho needs a life when you've got Unix? :-) Email: john@unixnerd.demon.co.uk, John G.Burns B.Eng, Bonny Scotland Web : http://www.unixnerd.demon.co.uk - The Ultimate BMW Homepage! Need Sun or HP Unix kit? http://www.unixnerd.demon.co.uk/unix.html >> Could this wobble be due to the E39 wheels not being suited to the E32 >> hubs? >> Does he need to fit hub-centering rings?? > > Almost certainly, yes. I have E39 wheels on my E28 with the rings and > it's fine. Thanks John. JB JB@Nospam.co.uk JB says... > >> Could this wobble be due to the E39 wheels not being suited to the E32 > >> hubs? [quoted text clipped - 4 lines] > > > Thanks John. Indeed so. *Finally* found a place that does said rings (weirdly they were only 2 miles from my front door!) and now all is very, very well indeed. Many thanks to those who replied. SignatureBear "The deep south? Isn't that the place where the black guys are really lazy and all the white guys are just as lazy but they're mad at the black guys for being so lazy?" > Friend's 1994 E32 740iL (88k miles) fitted with what look like E39 16" > wheels. He had a pretty bad wobble at about 70-80mph. changed the T/C arms & [quoted text clipped - 3 lines] > Could this wobble be due to the E39 wheels not being suited to the E32 hubs? > Does he need to fit hub-centering rings?? If the wheels do not register on the hubs, yes. The wheel bolts alone are not enough to ensure the wheel is concentric with the hub. I have 17" E39 M-Tech wheels with centreing rings on my E34. No problems at all. Mike. >> Friend's 1994 E32 740iL (88k miles) fitted with what look like E39 16" >> wheels. He had a pretty bad wobble at about 70-80mph. changed the T/C [quoted text clipped - 15 lines] > No problems at all. > Mike. Many thanks. JB > Friend's 1994 E32 740iL (88k miles) fitted with what look like E39 16" > wheels. He had a pretty bad wobble at about 70-80mph. changed the T/C arms & [quoted text clipped - 5 lines] > Any advice or help much appreciated. > JB My 730i also suffers from this "shimmy" which at times (usually under hard braking) can become uncomfortable. The car is fitted with 16" BMW wheels but I don't know which model they originally came from. Some while ago I found a web site that showed pictures of the various wheel styles used by BMW ... but can I find it again - call I heck as like! Does anyone know of a URL that has this information? Also, how can I tell whether my wheels should have centreing rings, or not? Your assistance much appreciated, as always. SignatureRegards Steve G >> Friend's 1994 E32 740iL (88k miles) fitted with what look like E39 16" >> wheels. He had a pretty bad wobble at about 70-80mph. changed the T/C [quoted text clipped - 17 lines] > > Your assistance much appreciated, as always. Okay, I think I've found the wheels that are fitted to my car on www.bmwwheels.com. They're from a 5 Series E39 (Spoke Styling 33?) - BMW Part No. 36 11 1 092 209 - does that help in deciding if they need centreing rings? SignatureRegards Steve G >>> Friend's 1994 E32 740iL (88k miles) fitted with what look like E39 16" >>> wheels. He had a pretty bad wobble at about 70-80mph. changed the T/C [quoted text clipped - 23 lines] > Part No. 36 11 1 092 209 - does that help in deciding if they need > centreing rings? They are exactly the same as the ones causing the problem on my friends 740iL! Thanks for the info. If I find any centering rings I'll let you know. cheers, JB > Okay, I think I've found the wheels that are fitted to my car on > www.bmwwheels.com. They're from a 5 Series E39 (Spoke Styling 33?) - BMW > Part No. 36 11 1 092 209 - does that help in deciding if they need > centreing rings? IF they are actually E39 wheels - they won't be helped with centering rings since the center hubcentric diameter is SMALLER than any other BMW used (dunno why BMW did this - they just did..) E39 wheels can only be used on E39's. He should look for the right rings for his car before he destroys his car or looses control and kills someone. >> Okay, I think I've found the wheels that are fitted to my car on >> www.bmwwheels.com. They're from a 5 Series E39 (Spoke Styling 33?) - [quoted text clipped - 7 lines] > E39 wheels can only be used on E39's. He should look for the right rings > for his car before he destroys his car or looses control and kills someone. You sure about this Don? I've seen quite a few 7 series with these wheels fitted and know other 7 series owners that have different E39 style wheels fitted. SignatureRegards Steve G >> Okay, I think I've found the wheels that are fitted to my car on >> www.bmwwheels.com. They're from a 5 Series E39 (Spoke Styling 33?) - [quoted text clipped - 7 lines] > E39 wheels can only be used on E39's. He should look for the right rings > for his car before he destroys his car or looses control and kills someone. According to the TIS: "The center hub diameter of the wheels used on E39 models is 74mm, which is larger than the 72.5mm center hub diameter used on other BMW models. Wheels from other BMW models will not fit over the E39 hubs, and therefore cannot be installed. Conversely, wheels from E39 models will fit over the hub of other BMW models, but they will not properly center, and therefore must not be installed" I think you got things the wrong way around, Don. 'Tis easy to do, mate :-)) SignatureRegards Steve G > I think you got things the wrong way around, Don. 'Tis easy to do, mate > :-)) Yesterday was Monday right? It's entirely possible I had things completely wrong. It gets better as the week progresses.. :) > > I think you got things the wrong way around, Don. 'Tis easy to do, mate > [quoted text clipped - 4 lines] > > :) I know that feeling! Things also tend to be clearer after half a bottle of red and complete crystal clarity comes at the end of the bottle :-)) SignatureRegards Steve G > > Okay, I think I've found the wheels that are fitted to my car on > > www.bmwwheels.com. They're from a 5 Series E39 (Spoke Styling 33?) - BMW [quoted text clipped - 6 lines] > > E39 wheels can only be used on E39's. Not true. My '94 E34 has E39 M-Tech style 66 wheels, with centreing rings, because the wheel hub bores are *larger* than the hub locating diameters. Mike. > Okay, I think I've found the wheels that are fitted to my car on > www.bmwwheels.com. They're from a 5 Series E39 (Spoke Styling 33?) - BMW > Part No. 36 11 1 092 209 - does that help in deciding if they need > centreing rings? IF they are actually E39 wheels - they won't be helped with centering rings since the center hubcentric diameter is SMALLER than any other BMW used (dunno why BMW did this - they just did..) E39 wheels can only be used on E39's. He should look for the right rings for his car before he destroys his car or looses control and kills someone. >> Okay, I think I've found the wheels that are fitted to my car on >> www.bmwwheels.com. They're from a 5 Series E39 (Spoke Styling 33?) - BMW [quoted text clipped - 8 lines] > for his car before he destroys his car or looses control and kills > someone. You got any links for this info? (hub diameters of e32/e39 etc?) cheers, JB > Could this wobble be due to the E39 wheels not being suited to the E32 > hubs? Does he need to fit hub-centering rings?? Any advice or help much > appreciated. If the wheels aren't a tight fit on the hub centering rings, you've got the answer. Steel wheels are sometimes centred by the fixings, but I've not seen ally ones which are. Signature*It's a thankless job, but I've got a lot of Karma to burn off Dave Plowman dave@davenoise.co.uk London SW To e-mail, change noise into sound. >>Could this wobble be due to the E39 wheels not being suited to the E32 >>hubs? Does he need to fit hub-centering rings?? Any advice or help much [quoted text clipped - 3 lines] > the answer. Steel wheels are sometimes centred by the fixings, but I've > not seen ally ones which are. Try Land Rover. The wheels fit onto the ends of the hubs with no positive location and are held in place purely by the wheel nuts. SignatureRegards Steve G > > If the wheels aren't a tight fit on the hub centering rings, you've got > > the answer. Steel wheels are sometimes centred by the fixings, but I've > > not seen ally ones which are. > Try Land Rover. The wheels fit onto the ends of the hubs with no > positive location and are held in place purely by the wheel nuts. Do they use taper nuts? Signature*Why are a wise man and a wise guy opposites? Dave Plowman dave@davenoise.co.uk London SW To e-mail, change noise into sound. >>>If the wheels aren't a tight fit on the hub centering rings, you've got >>>the answer. Steel wheels are sometimes centred by the fixings, but I've [quoted text clipped - 4 lines] > > Do they use taper nuts? Yep, and they are fairly massive (24mm socket needed) and heavy. The hubs are studded and the clearance between the stud and the wheel is pretty tight - it encourages you to use copper grease when putting the wheels back on :-) My local tyre fitting emporium (no longer getting my custom) once forgot to torque up the front wheel nuts when they put new boots on the Discovery ... it made for "interesting" steering at 70mph! SignatureRegards Steve G > >>Try Land Rover. The wheels fit onto the ends of the hubs with no > >>positive location and are held in place purely by the wheel nuts. > > > > Do they use taper nuts? > Yep, and they are fairly massive (24mm socket needed) and heavy. The > hubs are studded and the clearance between the stud and the wheel is > pretty tight - it encourages you to use copper grease when putting the > wheels back on :-) > My local tyre fitting emporium (no longer getting my custom) once forgot > to torque up the front wheel nuts when they put new boots on the > Discovery ... it made for "interesting" steering at 70mph! Of course with rigid axles front and back, wheel runout just ain't as critical as on vehicles with less unsprung weight. Signature*I want it all and I want it delivered Dave Plowman dave@davenoise.co.uk London SW To e-mail, change noise into sound. |
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