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Angry Major Hiccups in upper RPM?? Log Attached Help! - 08-20-2020, 07:09 AM

08 335i N54, JB4, ******* ***, Charge Pipe HKS BOV, Cold air, Fuel it Bucketless Stage 2 lpfp, NGK Plugs 2 step colder, Helix hpfp overdrive unit, VRSF 5" stepped FMIC, Full E85, MHD JB4 E85 BEF, Map 7 on JB4.

As I accelerate the car begins to hesitate really bad and then I eventually let off because of it, I looked at the graph and the only thing I see out of place is IGN 1, is it misfiring or is something else going on? I've attached a log and if someone could look it I would really appreciate it.
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File Type: csv P32_M7_R3_200819_1626.csv (18.5 KB, 32 views)
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Default 08-20-2020, 08:11 AM

When you read codes, what do you get?


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Default 08-20-2020, 08:46 AM

99% of the time no codes. One time misfire on cylinder 4.
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THE BEAST THE BEAST is offline
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Default 08-20-2020, 09:41 AM

Hpfp is oscillating quite a bit.
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Default 08-20-2020, 10:20 AM

The hpfp is a brand new (rebuilt) pump from FCP Euro, I bought it because I was installing the Helix overdrive unit.
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Default 08-21-2020, 05:36 AM

The hpfp does look odd.

May be worth reaching out to FCP

is it new or remanufactured?


Burger Motorsports
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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 08-21-2020, 05:40 AM

Any thoughts?? What about the log, Ing 1 does it look normal and if not what if anything can be done?
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Default 08-21-2020, 05:41 AM

According to FCP it's a rebuild of BMW's latest series hpfp.
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