Weird water bug - huge FPS drop

[312_Jura]

Hi,
I have this bug since the 14305 beta patch.
Along with the obvious visual anomalies, I also get a 20FPS drop.
I've tried setting the water to 0 - 3 to no avail.
Anybody else is getting this or knows a solution?

http://img88.imageshack.us/img88/6997/shot20110516143128.jpg

I'm running a HP 8710p:
Intel Core 2 Duo T7500
3GB RAM
NVIDIA Quadro NVS 320M - 256 MB
Windows 7 32bit

My config.ini:
[BOB]
EpilepsyFilter=0

[window]
DepthBits =24
StencilBits=8
DrawIfNotFocused=0
SaveAspect=0
Render=D3D9_0
width=800
height=600
ColourBits=32
FullScreen=1
ChangeScreenRes=1
Frequency=60
posLeft=0
posTop=0

[NET]
speed=100000
localPort=27015
serverName=My Server
serverDescription=IL-2 Sturmovik: Cliffs of Dover
serverInfo1=
serverInfo2=
serverInfo3=
serverInfo4=
VAC=1
maxPlayers=16
socksEnable=0
socksHost=
socksPort=1080
socksUser=
socksPwd=

[Console]
IP=20001
UseStartLog=1
WRAP=1
PAUSE=1
HISTORY=1024
HISTORYCMD=1024
PAGE=20
LOG=0
LOGTIME=0
LOAD=console.cmd
SAVE=console.cmd
LOGFILE=log.txt
LOGKEEP=0

[rts]
tickLen=30
ProcessAffinityMask=3
maxTimerTicksInRealTick=20
; 0 - not use, 1 - show cursor and not capture, 2 - not show cursor, and capture
mouseUse=2
; 0 - not use, 1 - use if hardware exist
joyUse=1
; 0 - not use, 1 - use if hardware exist
trackIRUse=0
DisableIME=0
culture=en-GB

[rts_mouse]
SensitivityX=1.0
SensitivityY=1.0
SensitivityZ=1.0
Invert=0
SwapButtons = 0

[rts_joystick]
FF=0

[core]
RandSeed = 0
TexQual=0
TexFlags.PolygonStipple=0
Shadows=0
SpecularLight=1
DiffuseLight=1
DynamicalLights=0
MeshDetail=2
LandShading=0
LandDetails=0
Sky=3
Forest=-1
VisibilityDistance=0
LandGeom=2
DrawCollisions=1
Water=3
Effects=1
EffFlags.Light=1
EffFlags.SpriteRender=0
Grass=-1
CordEffect=1
UseFog=0
UseLandCube=1
UseLandConnectedObject=1
LinearObjectManager=1
Roads=-1
Sun=1
Clouds=1
EffFlags.LightSpritesProj=1
ShadowMapSize=3
TexFlags.AsyncLoad=1
TexFlags.ShowTexture=0
SimpleMesh.SWTransform=0
SimpleMesh.QuadTreeClip=1
SimpleMesh.InstancingHW=1
EffFlags.LightContextSprites=1
CloudsFlags.Detailed=1
TexFlags.CreateHDR=1
Decals=0
EffFlags.SWLight=0
TexFlags.CockpitOnePass=0
MegaTexture=0
TexFlags.Reflection=0
RenderTargetQual=3
MSAA=0
MeshStatics=0
MeshStaticsDetail=0
SimpleMesh.QTNoCompose=0
MeshFirstLod=0
MeshShowLod=0
SpawnHumans=0
TexFlags.FastTransparency=1
TexFlags.SSAO=0
TexFlags.VSync=0

[sound]
SoundUse=1
DebugSound=0
SoundEngine=1
Speakers=1
Placement=0
SoundFlags.reversestereo=0
RadioFlags.Enabled=1
RadioEngine=2
MusicVolume=14
ObjectVolume=7
MusState.takeoff=1
MusState.inflight=1
MusState.crash=1
MusFlags.play=1
MasterVolume=14
Attenuation=7
SoundMode=0
SamplingRate=0
NumChannels=2
SoundExt.occlusions=1
SoundFlags.hardware=1
SoundFlags.streams=1
SoundFlags.duplex=1
SoundExt.acoustics=1
SoundExt.volumefx=1
SoundFlags.voicemgr=1
SoundFlags.static=1
VoiceVolume=8
Channels=1
SoundFlags.bugscorrect=0
SoundExt.extrender=0
SoundSetupId=8
ActivationLevel=0.02
Preemphasis=0.8
RadioLatency=0.5
AGC=1
PTTMode=1
RadioFlags.PTTMode=0
RadioFlags.PlayClicks=1
ActLevel=9
MicLevel=10
SoundFlags.UseRadioChatter=0
SoundFlags.AutoActivation=0
SoundFlags.forceEAX1=0
speakers=6
vgMaster=7
vgVoice=7
vgMusic=7


Cheers!

[David198502]

i dont know if this helps,but my conf.ini says:water=-1 by default.

[312_Jura]

i dont know if this helps,but my conf.ini says:water=-1 by default.
Grüß, that actually helped, danke sehr!