[M2_hitam]

Hi Guys,

i have a problem with stationary/idle knocking, can anyone help me what happen and how to solve it?

here is the list of my mods and condition :

- BMW M2 N55 LCI, DCT.
- Using gasoline 98RON (93 octane) but the reflash using BM3 OTS Stage 2 91 octane.
- ER Catless Downpipe
- Forge Intercooler Upgrade
- Forge chargepipe
- K&N Drop in air filter
- Stock Spark plug and Stock coil
- Mileage 11K Kilometers

When WOT datalog there is no knocking until 6800-ish RPM.. but when the car stop OR starting to move sometimes theres a knocking under 1100 RPM EVEN on stock tune. need help

1. will this knock damage my engine?
2. what cause the knocking?
3. how do i fix it?

here is the link for the datalog :

- https://www.bootmod3.net/log?id=6130...0b4344f3a87885 (stage 2 octane 91 stop position)

- https://www.bootmod3.net/log?id=6130...90c62f11a409ad (stage 2 octane 91 stop position)

- https://www.bootmod3.net/log?id=6130...0b434470c006a0 (stock tune datalog)

- https://www.bootmod3.net/log?id=6130...729b0a3854fe6a (stock tune datalog)

- https://www.bootmod3.net/log?id=612c...90c62fa1f42f48 ( Stage 2 octane 91, 4th gear WOT)

- https://www.bootmod3.net/log?id=612c...90c62f11a3fd1f (stage 2 octane 91, 3rd gear WOT)

- https://www.bootmod3.net/log?id=612a...90c62fa1f42bfc (low Speed driving)

thanks.