JB4 Fuel Pressure Upgrade Kit for 2020+ BMW B58/S58/B48 & B58 Supra
- Description
- Fitment
- Refund Policy
Finally an upgrade kit that adds a high fuel pressure connection to the JB4 for B58/B48 Gen2 and S58 platforms allowing direct control of fuel pressure and fuel trims. Most useful for manual transmission vehicles or those running heavy E85 mixtures on a locked ECU.
It's easy to install and includes a replacement JB4 board and a fuel pressure connector harness that attaches to your existing JB4 harness.
Note this kit is not compatible with Gen1 B58 motors.
Customers who purchased their JB4 new from BMS or an authorized reseller and their upgrade kit directly from BMS can receive a $75 core refund for their original JB4 board. To take advantage of this core refund ship your original board along with copies of the original JB4 purchase receipt and your JB4 upgrade kit order number to the address on our website. Cores must be received 45 days after upgrade kit receipt to qualify.
For installation directions and additional information click here.
Vehicle Fitment
BMW 2 Series
• 2022+ B58 G42 BMW M240i, M240i xDrive, and M240xi
• 2023+ S58 G87 BMW M2
• 2022+ G42 B48 BMW 220i, 230i
• 2020-2021 F22 F23 B48 BMW 230i including xDrive
• 2020-2021 F22 F23 B48 BMW 225i including xDrive
BMW 3 Series
• 2019+ B58 G20 G21 BMW M340i, M340i xDrive, and M340xi
• 2021+ S58 G80 BMW M3
• 2021+ S58 G80 BMW M3 Competition
• 2020+ G20 G21 B46 B48 BMW 318i, 320i, 320Li, 320e, 330i, 330e, 320Li including xDrive
BMW 4 Series
• 2021+ B58 G22 G23 G26 BMW M440i, M440i xDrive, and M440xi including Gran Coupe
• 2021+ S58 G82 BMW M4
• 2021+ S58 G82 BMW M4 Competition
• 2022+ S58 G83 BMW M4 Convertible
• 2021+ G22 G23 G26 B48 BMW 420i, 430i including Gran Coupe and xDrive
• 2020 F32 F33 F36 B48 BMW 430i including Gran Coupe and xDrive
• 2020 F32 F33 F36 B48 BMW 425i including xDrive
Toyota Supra
• 2020-2026 Toyota GR Supra Mk5 B58 3.0L 6 cyl.
• 2020-2026 Toyota GR Supra Mk5 B48 2.0L 4 cyl.
Returns
Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. All items are subject to 15% restocking fee from the manufacturer.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Additional non-returnable items:
Gift cards
Downloadable software products
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted (if applicable)
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
If you would like to start a return please click here
Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at info@amtuning.ca.
Sale items (if applicable)
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Labor Fees (if applicable)
AM Tuning Canada is not responsible for, and shall not be liable for, any labor fees, installation charges, removal charges, diagnostic fees, or other service-related costs incurred by the customer or any third party in connection with the installation, removal, modification, servicing, or use of any products purchased from AM Tuning Canada. Unless expressly agreed to in writing by AM Tuning Canada, all such labor and service costs are the sole responsibility of the customer.
Exchanges (if applicable)
To start an exchange, click here
Non-refundable items
The following items are non-refundable and non-returnable once purchased: oils, fuel or oil additives, filters, tuning cables, OBDeleven products, Braum seats, spark plugs, coil packs, and similar consumable, wheel spacers, wheels bolts, license plate brackets, electronic tuning components and any other product subject to discretion of AM Tuning Canada.
Other products from brands such as MHD, Bootmod3, Ecutek, Braum racing, Novitec are also non-refundable and non-returnable.
All sales of these items are final and are subject to the policies and discretion of AM Tuning. By completing a purchase, the customer acknowledges and agrees to these terms.
