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      10-11-2020, 12:00 PM   #1
xcelir8bmw
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BMW X2 M35i (M235i, M135i) Fuel Pump

BMW X2 M35i (M235i, M135i) Fuel Pump...

What BMW part # do we have in regards to the fuel pump in our car?
And then obviously to understand the specs.

What BMW part # can we get that is oversized compared to the originally installed fuel pmp in our car?
And then obviously to understand the specs.

Why do I ask? Without going to a larger fuel pump, we cannot support any aftermarket intake modifications.

I believe I've proven this in other threads.
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      10-11-2020, 12:10 PM   #2
billnchristy
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Our pump is different than 135 and 235. I think they figured it out too.

Our pump:
https://www.realoem.com/bmw/enUS/par...&q=16117300463

135/235:
https://www.realoem.com/bmw/enUS/par...&q=16117300472
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      10-11-2020, 12:14 PM   #3
xcelir8bmw
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Interesting comparison on part #'s. That's a great find!

Now curious on the actual 'specs' in liters-per-hour. Couldn't find that.
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      10-11-2020, 12:22 PM   #4
xcelir8bmw
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And now also thinking injectors.

Rabbit hole...
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      10-11-2020, 12:30 PM   #5
billnchristy
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Injectors are shared with X6m

Being generic as hell, if they can support 100hp a hole then we have some wiggle room.
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      10-11-2020, 12:56 PM   #6
xcelir8bmw
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Well back to the show on fuel pump LpH.
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      10-11-2020, 01:01 PM   #7
billnchristy
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Have you looked through the tech doc?
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      10-11-2020, 01:05 PM   #8
billnchristy
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Here you go:

B46 Engine
7. Fuel System
There is no fuel pressure sensor in the low-pressure range of the fuel system. The fuel low pressure is calculated in the Digital Motor Electronics based on a mathematical model. The power consumption of the electric fuel pump also provides information on the fuel low pressure. If the power consumption is high, this means that a high fuel - low pressure exists and if the power consumption is low, this means that a lower fuel - low pressure prevails.
The following table provides information on the technical data of the electric fuel pump.
Technical data
The electric fuel pump becomes impermissibly hot with excessive dry running > 1 minute. There is a risk of a component fault￿

Engine speed range 2600 – 6000 rpm
Pressure area 2.0 - 6.5 bar
Supply voltage 12 V
Delivery rate at 3200 rpm and 3.5 bar > 80 liters/60 minutes
Delivery rate at 4250 rpm and 6.3 bar > 105 liters/60 minutes
Delivery rate at 5600 rpm and 5.3 bar > 190 liters/60 minutes
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      10-11-2020, 01:10 PM   #9
xcelir8bmw
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190. That sux.

My STI stock was like 220.

When I went E85 I did 320.

Wow.
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      10-11-2020, 01:11 PM   #10
xcelir8bmw
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Wait that was B46, not B48 right?
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      10-11-2020, 01:32 PM   #11
billnchristy
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We have same pump
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      10-11-2020, 01:35 PM   #12
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🤢
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      10-11-2020, 01:48 PM   #13
billnchristy
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I wonder if we can find the 135/235 pump specs
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      10-12-2020, 06:32 PM   #14
xcelir8bmw
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Quote:
Originally Posted by billnchristy View Post
I wonder if we can find the 135/235 pump specs
Please!
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      10-13-2020, 11:32 AM   #15
xcelir8bmw
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ttt
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      10-14-2020, 01:49 AM   #16
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Quote:
Originally Posted by xcelir8bmw View Post
ttt
Sorry for my ignorance, I saw "ttt" somewhere else.
What does it mean?
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      10-14-2020, 08:21 AM   #17
xcelir8bmw
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Quote:
Originally Posted by trnguyen View Post
Quote:
Originally Posted by xcelir8bmw View Post
ttt
Sorry for my ignorance, I saw "ttt" somewhere else.
What does it mean?
To The Top
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      10-18-2020, 06:12 PM   #18
xcelir8bmw
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Saw Burger has an add on FPS for other vehicles, not ours though. Fuel It! branding.
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      10-22-2020, 11:14 AM   #19
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Did we ever find out what the real part # is in our vehicle compared to others with a similar new engine/other types of engines? And then therefore, specifications?
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