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HKD126 HKD126 is offline
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Default Tuner recommendation? JB4 (methanol) with MHD backend - 07-01-2019, 01:16 PM

Can anyone recommend a tuner for the N54 that works with the JB4 (methanol injection) and MHD backend flashes? The car is currently FBO with methanol, but also looking to upgrade the turbos and get a custom tune for it.

Please elaborate on your experience with your recommended tuners.

So far Ive heard good things about BQ and Wedge.

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Zeezul Zeezul is offline
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Car: e92 n54 pre lci
Default 07-01-2019, 05:09 PM

Trebila is good. He's the only tuner I've ever used though.

FBO MT N54 w/stock turbos-tuned by Trebila
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Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
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Default 07-01-2019, 10:41 PM




Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

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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codesx codesx is offline
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Car: 2008 335i Vert (E93, N54)
Default 07-02-2019, 09:59 AM

If you do the tune and nothing else, it would be very interesting to see Dyno results of the before and after.

2008 335i Convertible, E93, N54, A/T (200,000+ km)
Wheels: 322 | Tires: R.275/35r18, F.245/40r18
TUNE: JB4/Trebila | 24 PSI | 100% Meth via dual CM5 | 94 Octane
BMS: JB4, Map 6 | WMI | 5" FMIC | OCC | DCI | Cowel Filters
RB: Inlets | PCV Valve
VRSF: DiPis | CP
xHP Stage 3
NGK-97506 @ .020

2018 - A/T Replaced | Ign Coils | Walnut Blast
2019 - Index 12 Injectors | VCG | OFHG & O-rings | TStat
2020 - OPG | Battery | IBS | Water Pump | Plugs | Alternator
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HKD126 HKD126 is offline
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Default 07-04-2019, 01:45 PM

Originally Posted by Dave @ BMS/Fuel-It!


Any particular one youd recommend over the others?
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