1M HPFP Different than 335i - BMW 3-Series (E90 E92) Forum

sdstatestud88 · 01-03-2012, 09:00 PM

I have heard a couple of rumors that the 1M hpfp is better than the current one in our 135/335 regardless if you have the original or most current one.

Can anyone confirm this?

enrita · 01-03-2012, 10:04 PM

Yes it is better apparently, should flow more as well.

rudebwoi · 01-03-2012, 10:18 PM

obvious next question would be is it interchangeable?

enrita · 01-03-2012, 10:44 PM

Quote:

Originally Posted by rudebwoi

obvious next question would be is it interchangeable?

yes , i think actually all new pumps have the same code as the 1M, check on realoem.com

Fred_Boosted · 01-03-2012, 11:09 PM

Problem is, not all N54s are running the same HPFP without problems...

Same engine not even same pump lol

zerep1 · 01-04-2012, 12:42 AM

The new pump I believe is called hpep or marketing purposes or high pressure exchange pump but it's the same crap and if you get your pump changed enough you will end up with this one the problem is that the hpfp is not the only issue in the fuel system but most other component benefit when it's replaced with a new one

jdub486 · 01-06-2012, 11:22 PM

The newest n54 pump is from the 1m. The part number ends in 170. I had the 933 pump for 10k miles before the long cranks started. I was not throwing any codes, but the dealer changed the pump with the 1m part without question.

onebadmofo · 01-06-2012, 11:39 PM

While we're on the subject, were there any 1M's with failed or failing pumps yet?

Rysandro · 01-06-2012, 11:45 PM

How long have then been using the 1M pump?

I went from having pump issues every 2 months to not having an issue the past 4-6 months

jb's335 · 01-08-2012, 12:05 AM

Quote:

Originally Posted by onebadmofo

While we're on the subject, were there any 1M's with failed or failing pumps yet?

+1

Also whoever does this upgrade first needs to figure out how to use the 1M's fuel lines as well, since they actually incorporate a fuel filter...

01-03-2012, 09:00 PM	#1
sdstatestud88 First Lieutenant Drives: 2008 AW E92 Join Date: Oct 2009 Location: San Diego Posts: 327 iTrader: (1)	1M HPFP Different than 335i I have heard a couple of rumors that the 1M hpfp is better than the current one in our 135/335 regardless if you have the original or most current one. Can anyone confirm this? __________________ Installed:Cobb AP, AR Kittyless, Vanguard V2, ETS 7'' FMIC, BMS DCI, BMS OCC, Rob Beck PCV 2 Fix, ST V1 Coilovers, BBS LM reps, Hankook V12 Evo...SWS 8, RF P-300 Amp, Technic Soon:New SNAIL, Wavetrac/Quaife, M3 Bushings
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01-03-2012, 10:04 PM	#2
enrita Major General Drives: 335i - Big turbos Join Date: Sep 2008 Location: Italian in Sweden Posts: 6,858 iTrader: (0)	Yes it is better apparently, should flow more as well. __________________ 07 335i AT - TD St.2 Turbos - COBB (Custom Cobb mapping by http://www.protuningfreaks.com/) - JB4G5 ISO - Okada Coils - NGK 5992 Plugs - E85 Walbro - Injen Intake - Helix IC - Snow Stg. 3 - Stett CP - AR DPs - midpipes 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - Level 10 AT upgrade - Alpina AT Flash

01-03-2012, 10:18 PM	#3
rudebwoi HNIC Drives: 08 335i Join Date: Oct 2009 Location: CT Posts: 145 iTrader: (2)	obvious next question would be is it interchangeable? __________________ AW E90 335i Cobb Stage 2+ \| AG M355's 19" Satin Black \| VRSF dps \|VRSF 5" IC \|Euro Bumper \| PM me for 2013 Nav discs!

01-03-2012, 11:09 PM	#5
Fred_Boosted First Lieutenant Drives: 335i Join Date: Nov 2011 Location: USA Posts: 307 iTrader: (0)	Problem is, not all N54s are running the same HPFP without problems... Same engine not even same pump lol __________________

01-04-2012, 12:42 AM	#6
zerep1 Lieutenant Drives: 335i e90, 328i f30 Join Date: Nov 2010 Location: Miramar florida Posts: 429 iTrader: (1)	The new pump I believe is called hpep or marketing purposes or high pressure exchange pump but it's the same crap and if you get your pump changed enough you will end up with this one the problem is that the hpfp is not the only issue in the fuel system but most other component benefit when it's replaced with a new one __________________ Irub

01-06-2012, 11:22 PM	#7
jdub486 Private Drives: 2007 e92 335i 6mt FBO Join Date: Sep 2011 Location: Maryland Posts: 61 iTrader: (0)	The newest n54 pump is from the 1m. The part number ends in 170. I had the 933 pump for 10k miles before the long cranks started. I was not throwing any codes, but the dealer changed the pump with the 1m part without question.

01-06-2012, 11:39 PM	#8
onebadmofo BimmerPost Supporting Vendor Drives: 2007 E92 335i Join Date: Aug 2010 Location: Staten Island, NY Posts: 2,342 iTrader: (14)	While we're on the subject, were there any 1M's with failed or failing pumps yet? __________________ The OG of coding/programming in the tri-state area. More info here.

01-06-2012, 11:45 PM	#9
Rysandro Colonel Drives: White 335i Sedan Join Date: Dec 2008 Location: Orange County CA Posts: 2,818 iTrader: (2)	How long have then been using the 1M pump? I went from having pump issues every 2 months to not having an issue the past 4-6 months __________________ www.alphaspraypowdercoating.com

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