12-02-2020, 03:20 PM | #1 |
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JB4 for X5 50i
Hello, I'm selling my JB4 that I used on my 2019 X5 50i. Felt a big difference when installed. Reason for selling is that I sold my X5 for an M5 Competition Thanks!
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2014 BMW X5 35i Black Sapphire Metallic/Terra Dakota SOLD
2019 BMW X5 50i M Sport Black Sapphire Metallic/Ivory White Merino SOLD 2019 BMW M5 Competition Snapper Rocks Blue |
12-17-2020, 10:21 AM | #2 |
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Bump!
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2014 BMW X5 35i Black Sapphire Metallic/Terra Dakota SOLD
2019 BMW X5 50i M Sport Black Sapphire Metallic/Ivory White Merino SOLD 2019 BMW M5 Competition Snapper Rocks Blue |
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02-01-2021, 09:47 PM | #3 |
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I may be interested, how difficult is installation? Is it detectable if I brought my truck in for service at the dealer?
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02-02-2021, 06:45 PM | #4 |
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Drives: 2017 M3 Comp & 2020 X5 M50i
Join Date: Sep 2013
Location: West Hills, CA
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I think its installation is a pain in the ass, but its easier after you do it once. Is this compatible with the M50i engine tho?
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02-05-2021, 03:17 PM | #5 |
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Installation is pretty easy. I can install it in under 30 minutes. I had to take my X5 to the dealer several times for a leaky sunroof. So I had to uninstall and reinstall it many times. They never detected anything.
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2014 BMW X5 35i Black Sapphire Metallic/Terra Dakota SOLD
2019 BMW X5 50i M Sport Black Sapphire Metallic/Ivory White Merino SOLD 2019 BMW M5 Competition Snapper Rocks Blue |
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02-05-2021, 03:21 PM | #6 |
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According the the JB4 website it looks like it is the same tuner for the 50i and M50i.
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2019 BMW X5 50i M Sport Black Sapphire Metallic/Ivory White Merino SOLD 2019 BMW M5 Competition Snapper Rocks Blue |
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02-06-2021, 08:51 AM | #7 | |
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Quote:
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02-08-2021, 07:56 AM | #8 |
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I never had any CEL or issues while running it. I would always run MAP 2. I ran MAP 6 a few times with 5 gallons of E85 added to 93 fuel. Zero problems. Getting E85 was a pain for me so that is why I mostly ran MAP 2. However, the guys at JB4 are awesome to email questions to. I have JB4 on M5 Comp. On a new install I usually will run it first on Map 0 make sure there are no issues, then go to Map 1 run it make sure there are no issues, and then go to Map 2.
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2014 BMW X5 35i Black Sapphire Metallic/Terra Dakota SOLD
2019 BMW X5 50i M Sport Black Sapphire Metallic/Ivory White Merino SOLD 2019 BMW M5 Competition Snapper Rocks Blue |
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