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08-07-2015, 10:00 AM | #1 |
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Strange Noise when in reverse...DCT
Hey guys,
I'm new to the E92 M3 (not BMWs) and I have heard this strange noise emanating from the passenger rear wheel area when backing out of the garage. The trans is a DCT. Its only happened randomly twice, but its got me worried. Its a metallic clanging sound. It almost sounds as if there's a soup can dangling off the rear suspension somewhere. Any ideas?
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2011 Mineral White M3 ZCP - Opticoat, Ventureshield, some CF, B&B exhaust, AFE Intake Vorsteiner VFF 101s Ohlins
2014 Mineral White 328d Xdrive Wagon - Opticoat, Ventureshield, B8s, H&R, Apex SM-10s Hawk Pads 2021 718 Cayman GT4 - Fire extinguiser |
08-07-2015, 10:07 AM | #2 |
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Drives: 11 ZCP DCT M3 14 328d 21 GT4
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did a little research....seems to be the E Brake or pebbles in the rotors. Or caliper heat shield issues.
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2011 Mineral White M3 ZCP - Opticoat, Ventureshield, some CF, B&B exhaust, AFE Intake Vorsteiner VFF 101s Ohlins
2014 Mineral White 328d Xdrive Wagon - Opticoat, Ventureshield, B8s, H&R, Apex SM-10s Hawk Pads 2021 718 Cayman GT4 - Fire extinguiser |
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08-07-2015, 10:26 AM | #4 |
I even mod my cereal
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Drives: 11 ZCP DCT M3 14 328d 21 GT4
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we get a lot of road tar nuggets (balls?), so I'm sure its that stuck in there. thanks
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2011 Mineral White M3 ZCP - Opticoat, Ventureshield, some CF, B&B exhaust, AFE Intake Vorsteiner VFF 101s Ohlins
2014 Mineral White 328d Xdrive Wagon - Opticoat, Ventureshield, B8s, H&R, Apex SM-10s Hawk Pads 2021 718 Cayman GT4 - Fire extinguiser |
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08-07-2015, 10:56 AM | #5 |
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is it one clank/clunk or sounds of a bunch of pebbles rattling in a can?
every now and then i get a light clank as I back out of the garage but I chalked that up to just drivetrain noise. I've also had the rattling pebbles in a can sound... first time it was a brake pad lodged between the dust shield and the rotor left by previous owner (or shop). the second time i think it was pebbles and they eventually fell out or something.
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Marc
2011 Space Grey Metallic E90 M3 DCT ZCP |
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08-07-2015, 11:09 AM | #6 |
I even mod my cereal
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Drives: 11 ZCP DCT M3 14 328d 21 GT4
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it is usually one or two sounds....sounds like a cow bell....didn't want to put that in the original post because I thought I would get too many SNL references.
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2011 Mineral White M3 ZCP - Opticoat, Ventureshield, some CF, B&B exhaust, AFE Intake Vorsteiner VFF 101s Ohlins
2014 Mineral White 328d Xdrive Wagon - Opticoat, Ventureshield, B8s, H&R, Apex SM-10s Hawk Pads 2021 718 Cayman GT4 - Fire extinguiser |
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