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      03-06-2018, 03:02 PM   #1
Crookbook
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Thumbs down DONT buy a JB4 or from burgertuning

A few weeks ago I decided to take my car to the next level. A stock 2013 BMW 135is N55 with a DCT.

The notion was that Burger Tuning had quality products with a good reputation and quality customer service. I ended up spending just over $2,000 with them, purchasing a Pheonix Racing stepped intercooler, Pheonix Racing charge piping, JB4, JB4 Bluetooth Connect, BMS Intake, and their BMS Meth Kit. Oh and the App for an additional $27.99.

After installing all of Burger Tuning's parts with exception to the Methanol Kit and the Bavarian Auto sport Catless Downpipe , the JB4 gave me issues. Initially the work was performed by One Nine Motorworks with no issues on the first start-up. This quickly changed, the JB4 threw a series of codes all pertaining to DME related issues. Misfires, Fuel pressure Issues, and Knocking.

The car was then taken to RKTunes for diagnosis where they checked, re-checked, and re-checked again (3 times) the JB4 Installation. Checking the installation was advised by Terry at Burger Tuning, but the car would still enter limp mode right off the bat under any acceleration. The list of different codes each time had RKtunes joking that I had an N54 in the form of an N55.

RKTunes then removed the JB4 and reconnected the factory plugs with no issues what so ever. The car drove fine with no tune even with the performance parts installed. I made the choice to do an ecu flash to salvage the time spent at RKTunes and get rid of all the frustration this process created.

In effort to resolve the problems, Burger Tuning simply directed me to n54tech forums as customer service and stated my data logs showed nothing. They would not accommodate any returns even though the methanol kit was not unpackaged and comforted my issues by stating
"There are thousands of people out there with JB4 on stock turbo engines or upgraded turbo engines pushing 400-650 wheel hp on their N55's.
JB4 is not a cause of any issue unless it's faulty which we will replace or repair if needed. This case is very rare."

DON'T WASTE YOUR TIME AT BURGER TUNING.
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      03-06-2018, 03:43 PM   #2
MGM135is
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I think most people have a positive experience with BMS. As for tuning, I would get a Dinan S2. Not customizable, but reliable.
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      03-06-2018, 03:45 PM   #3
HyeWarrior
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I had severe issues with the JB4 as well. Like you, had the installation checked over multiple times, and still gave me issues like misfires and stalls at idle.

Took it out, and its been fine ever since.

If I had to tune again, Id probably go MHD
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      03-06-2018, 03:46 PM   #4
Crookbook
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Must be everyone but me...
I ended up having RKTunes flash my ECU and use a tablet to switch between the tune I prefer.
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      03-06-2018, 04:08 PM   #5
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I had a jb4 and I never liked the power delivery (I don't think JB4+DCT works very well.... really laggy). I went to Dinan and have been happy ever since.
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      03-06-2018, 06:11 PM   #6
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I'm sure most people have good success with it and it works great. I do believe however that *some* people, and I don't know the percent, don't have very high standards or understanding of things and wouldn't notice an issue.
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      03-07-2018, 05:26 PM   #7
ShocknAwe
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Reads very differently than my experiences with BMS over the years. Sorry you did not have a good experience with their products and service. Assuming you purchased everything new, did they not want to swap your JB4 unit to rule out a bad box or harness? It's all very strange.
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