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RadarContact RadarContact is offline
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Question I want a driver's-side under-hood meth tank! - 02-14-2017, 06:16 PM

Now that the big oem airbox is gone, it just makes so much sense, to me at least, to mount a water/meth (mix) tank between the PS reservoir and the headlight/WW reservoir...right over the wheel well liner.

1) anyone know of an OEM WINDSHIELD WASHER tank that fits? How about a 2007-2011 Bmw 3-Series Tank, p/n 61677157146, maybe?

2) anyone think this is a bad idea?? My only concern is fire, but...since the blue stuff we use for our windshield is basically boost juice...if I'm not worried about it, then why worry about the water/meth mix?

3) do I need to mount the pump a certain way (height wise) compared to the tank and nozzles? Thought I read somewhere that tank highest, then pump, then nozzles. Ala Gravity prime??

Tell me your thoughts!!

Thanks,
// Radar //

Last edited by RadarContact; 02-14-2017 at 06:26 PM..
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Limpmode Limpmode is offline
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Default 02-17-2017, 06:37 AM

There's no reason not to do it. I've seen kits (Snow performance) for other makes of vehicles that have under hood mounts. If you have the space then it's probably the ideal location; shorter wiring, lines, etc. Quicker purging as well. I may attempt to do the same thing when I get my kit, as long as I can find the room to do a clean install.


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Default 02-17-2017, 06:42 AM

Thanks for the reply. Sanity check complete! Lol

Yeah, I've got this gigantic area behind the DS headlight that would be perfect.
Need to make a trip to my local junk yard for some ideas.


2010 535i M-Sport, Sport AT, fully coded
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WOT808 WOT808 is offline
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Default 02-23-2017, 03:31 AM

I have a universal tank from advanced mounted behind my front bumper on the driver side corner. I'll come up with a better solution soon but that space works alright.
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Default 02-23-2017, 06:27 AM

Quote:
Originally Posted by WOT808
I have a universal tank from advanced mounted behind my front bumper on the driver side corner. I'll come up with a better solution soon but that space works alright.
Well, that's exactly what I'm wanting to do, but want to find one that fits "clean".

Can you post a pic or text me one? Like to see the fitment. I can pm you my text number.

Thanks,
// Radar //


2010 535i M-Sport, Sport AT, fully coded
Alpine White w/Natural Leather
OEM style-135 wheels w/spacers
JB4 G5 ISO, BMS Backend Pump Flash
MMPe DCI, VRSF Chargepipe/Tial BOV
Wagner Stepped FMIC
Bought but not yet installed!
- VRSF 3" Pipes
- BMS WMI w/dual CM5s
- Rear Backup Camera
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Default 02-24-2017, 09:45 AM

What capacity are you looking for?

How about a factory coolant reservoir? Has fittings for lines, and OEM caps made for it that you can use on the unneeded ports - but you would need adapters to fit the meth setup I'm sure.

Not sure how you're going to be able to get a tank high enough that the injection nozzles will be on a lower plane. Pump is probably not an issue, and makes sense there.


2009 535i Sport SAT -- JB4 G5 ISO | MHD E85 BEF | VRSF 3" *** | VRSF 7" FMIC | Fuel-It Stage 2 | BMS DCI | Koni FSD | 15mm Rear Spacers
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Default 02-24-2017, 02:59 PM

A gallon would probably be enough, I would think.

I'll look into that...I was kind of pre-occupied on washer tanks, so that gives me more to look at. Thanks.

I think the tank can be up (just barely) higher if it's shaped right.

Keep thinking!! Lol

// Radar //


2010 535i M-Sport, Sport AT, fully coded
Alpine White w/Natural Leather
OEM style-135 wheels w/spacers
JB4 G5 ISO, BMS Backend Pump Flash
MMPe DCI, VRSF Chargepipe/Tial BOV
Wagner Stepped FMIC
Bought but not yet installed!
- VRSF 3" Pipes
- BMS WMI w/dual CM5s
- Rear Backup Camera
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