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2Addicts | BMW 2-Series forum Technical Topics Suspension | Chassis | Brakes Clunk noise when reversing full lock in cold.

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      12-01-2016, 06:25 AM   #1
leeadam
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Clunk noise when reversing full lock in cold.

Anyone else had this:
when its cold and i first get in car it makes a clunk clunk noise from front when i reverse out of car spot on full lock right hand down. once car warmed up its gone when u do same manoeuvre, not sure if common or to check.

its odd sound wheel could be slipping but u feel a physical clunk feels mechanical.
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      12-01-2016, 08:12 AM   #2
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Myself and others have experienced the same thing. Last few winters there were some post about this.

Probably caused by 'stiction'.

Do you have summer tire's on the wheels.

I just switched to Michelin a/s from PSS's and haven't had the clunk this season, but maybe just not cold enough yet.
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      12-01-2016, 10:34 AM   #3
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Definitely experienced this as well....only with summer tires (pss). Havent experienced with my winter setup. Only when full lock in reverse backing out and only when cold. It does sound like a mechanical clunk...like a knuckle popping out and back in sorta thing.
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      12-01-2016, 11:50 AM   #4
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hi all ..yes exactly what you guys describe... my old e92 used to do similar but this is much worse. Its just starting to get lot colder in the uk. i am running Mich pilot super sports..u think thats what it is a slip...its all i could think off as when warmed up and driven 10 min up road didnt do it.
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      12-03-2016, 11:22 AM   #5
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I've had this a few times. Freaked me out thinking something was loose. Don't ever remember such in my previous E82 or E93.
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      12-04-2016, 04:26 PM   #6
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so is this something that can be fixed or its simply a quirk of this model.?
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      12-06-2016, 08:11 PM   #7
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My buddy just got a new stingray and his does this too. At first he thought it was the diff, but then read it was something with the cold summer tires. ?
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      12-07-2016, 07:00 PM   #8
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Is it when you apply the brakes? I've noticed the brake pads in this car can knock sometimes between reversing and then moving forward.
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      12-09-2016, 03:07 AM   #9
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Lee,

Its normal and a feature of the cars "Ackerman" geometry.

http://www.babybmw.net/viewtopic.php...erman#p1195880

Daniel,

Brake clunk - again typical with these caliper / pads - pads can move radially slightly - nothing to be concerned about.

BP
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      12-09-2016, 07:28 AM   #10
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Woah. So glad I found this thread. I was about to go to dealer. I thought it was abs coming on or maybe broken end link.
Can someone explain so Im not ignorant?
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      01-27-2017, 06:01 AM   #11
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Quote:
Originally Posted by Bee Pee View Post
Lee,

Its normal and a feature of the cars "Ackerman" geometry.

http://www.babybmw.net/viewtopic.php...erman#p1195880

Daniel,

Brake clunk - again typical with these caliper / pads - pads can move radially slightly - nothing to be concerned about.

BP
oh is it?? it really bugs me, embarrassing in car park reversing out on lock my car going clunk clunk as i pull out. WORSE as weather so cold at moment, im having new supersports fitted in morning wonder if will be worse or less. its bugging me, so you think no point going to dealer about it?
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      01-27-2017, 06:25 AM   #12
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Quote:
Originally Posted by leeadam View Post
oh is it?? it really bugs me, embarrassing in car park reversing out on lock my car going clunk clunk as i pull out. WORSE as weather so cold at moment, im having new supersports fitted in morning wonder if will be worse or less. its bugging me, so you think no point going to dealer about it?
Lee,

If it's bugging you, then yes go to the dealer to take a technician out for a test drive to replicate the problems and see what he says.

BP
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      01-30-2017, 04:37 AM   #13
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Quote:
Originally Posted by Bee Pee View Post
Lee,

If it's bugging you, then yes go to the dealer to take a technician out for a test drive to replicate the problems and see what he says.

BP
will only do from cold so if i go to dealer sound gone. ive replaced all tyres now with new super sports, not noticed as bad..but not been as cold.
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      01-30-2017, 09:06 AM   #14
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Quote:
Originally Posted by leeadam View Post
will only do from cold so if i go to dealer sound gone. ive replaced all tyres now with new super sports, not noticed as bad..but not been as cold.
"Akermann" geometry related clunks/noise will be exaggerated by cold tyre sidewalls. Less evident when tyres are warm.
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      02-07-2017, 09:31 PM   #15
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Took mine to the dealer, as I've owned BMWs since 1991, and the only time you should get clunks in the suspension is when something isn't right. Turns out strut bearings at top were faulty -- as were the second set that they replaced them with (they noticed immediately and ordered another set). There is a difference between clunks and scrubbing of tires.
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      02-08-2017, 03:58 AM   #16
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Quote:
Originally Posted by Wagerd View Post
Took mine to the dealer, as I've owned BMWs since 1991, and the only time you should get clunks in the suspension is when something isn't right. Turns out strut bearings at top were faulty -- as were the second set that they replaced them with (they noticed immediately and ordered another set). There is a difference between clunks and scrubbing of tires.
i agree should not make this noise. cold or warm, booking mine in ..although must bmw dealers are useless monkeys when it comes to fixing anyone, they lack any skill. My family been in motor trade 50 years, hate having to use main dealers urgh. Ill update with their....excuses.
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      02-15-2017, 03:08 AM   #17
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Well Went In They Replaed A Few Bits Under Warranty Including Squeaking Seat Base New Rear Door Boot Lock And Suspension Mounts Or Something
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      05-22-2022, 07:51 PM   #18
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Quote:
Originally Posted by leeadam View Post
Well Went In They Replaed A Few Bits Under Warranty Including Squeaking Seat Base New Rear Door Boot Lock And Suspension Mounts Or Something
https://www.dropbox.com/sh/3aizpw9sx61cpjw/AADKT7XpAGXST9Xgd6bh9llya?dl=0

Your makes the same sound ?
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      05-26-2022, 04:51 PM   #19
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Quote:
Originally Posted by DanielGr View Post
Is it when you apply the brakes? I've noticed the brake pads in this car can knock sometimes between reversing and then moving forward.
Some brake pads, especially ones without the factory style shims, can clunk when changing directions or simply by applying the brakes for the very first time after the car has been sitting for a while.

It's a good idea to remove and clean the contact surfaces of the pad to caliper/caliper holder once year or two. This is a great product we use at our shop since 2005. We have yet to find anything else that works better. It's also under Molykote, but the MB version is much less expensive.

https://www.amazon.com/Genuine-Merce...&creative=9325
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