shake at 70 mph

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    My 1999 528 tourer starts to shake through the front seats over 65 mph, peaks at 70, then seems to improve over that speed I've had the front wheels balanced but it's made no difference.
Any suggestions

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Renkus Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13-January-2004 Location: United Kingdom Status: Offline Points: 2	Topic: shake at 70 mph Posted: 13-January-2004 at 17:46
	My 1999 528 tourer starts to shake through the front seats over 65 mph, peaks at 70, then seems to improve over that speed I've had the front wheels balanced but it's made no difference. Any suggestions

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grant w Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Really Senior Member II Joined: 26-February-2003 Location: United Kingdom Status: Offline Points: 558	Posted: 13-January-2004 at 22:30
	post this thread on the 5 series technical forum you might get a answer then ... Edited by grant w
	www.redevom3.co.uk 1989 e30 m3 2.5 1996 e36 m3 evo , sold 2002 e46 m3 smg . 1991 Daihatsu 2.8 TD Work Horse Rust Never Sleeps . Tattooed Lady - Bearded Baby - there my family ..

kbannon Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Admin Group E39 525i Sport Individual Joined: 09-October-2002 Location: 64 Zoo Lane Status: Offline Points: 15508	Posted: 13-January-2004 at 22:39
	thread moved!!!
	Current: 2009 E60 520d "Sport" tractor Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual

Old shape! Members Profile Send Private Message Find Members Posts Add to Buddy List Really Senior Member I Joined: 08-January-2004 Location: United Kingdom Status: Offline Points: 497	Posted: 14-January-2004 at 12:03
	Renkus. Balancing the wheels does not always show a sideways movement (1) such as an "Egg" in the tyre. Give them a good look over, preferably take them off and check. Rear wheels can also get out of balance, and they may need doing. Prop shaft can also get out of balance, but rather unlikely. And it would be a bit noisy too if it was that. (1) Although a Tyre man worth his salt would have spotted it when carying out the balance. (1a) Unless he put the guard on the machine so the tyre was hidden during it's test-spin. But again, if he was worth his salt, he should have done a final visual check without the guard on. I don't think it is more serious than tyres or wheels. Buckled wheel maybe...kerbed it lately? HTH. regards
	Paul DH 1994 E38 "Proud owner of a "3/4 engined E37.9 that's almost a real car with real paint...WITH 6 WASHER JETS!" 1989 520i (E34) Gone 1988 320i Coupe (E30) Gone 1995 520 Estate (E34) (Wife) 1992 320i SE OBC (E36) (Wife) Gone 1988 320i Saloon (E30) (Wife) Gone

Peter Fenwick Members Profile Send Private Message Find Members Posts Add to Buddy List Bavarian-Board Contributor Joined: 27-August-2003 Location: Lost somewhere in time... Status: Offline Points: 6484	Posted: 14-January-2004 at 13:57
	I have had the same problem with several of the cars I have owned over the years and it has always gone away when I have had new tyres put on. My last car, a Primera, used to vibrate between 60 and 70 and 90 and 100. Had all four wheels balanced and it made no difference. Got four new tyres put on and the problem went away.
	Entering an age of Austerity and now driving a Focus Diesel.

Old shape! Members Profile Send Private Message Find Members Posts Add to Buddy List Really Senior Member I Joined: 08-January-2004 Location: United Kingdom Status: Offline Points: 497	Posted: 14-January-2004 at 14:14
	So peter, at least one of those Primera tyres had a deformed tread, or an egg, or even a hard spot on the wall (Can happen with cheapo Taiwan type tyres). Proof that balancing doesn't always work for the wheel wobble. Wheel not go into the science of the frequency of wobble versus RPM of wheel and tyre pressure etc. That needs a whole new forum! regards
	Paul DH 1994 E38 "Proud owner of a "3/4 engined E37.9 that's almost a real car with real paint...WITH 6 WASHER JETS!" 1989 520i (E34) Gone 1988 320i Coupe (E30) Gone 1995 520 Estate (E34) (Wife) 1992 320i SE OBC (E36) (Wife) Gone 1988 320i Saloon (E30) (Wife) Gone