This Part Fits Your Vehicle
Product Information
Upgrade your engine with the do88 charge pipe kit for B58 Gen 2 found in BMW M340i and more!
The B58 Gen 2 engine is fantastic but it has a known reliability issue: its charge pipe. This pipe is known to be fragile and can break even on stock cars during track sessions. If you're considering tuning your engine, it's highly recommended to upgrade the charge pipe beforehand.
Many aftermarket charge pipe kits for the B58 engine are available, but in our opinion, most are not properly designed. Many competitors use a basic design: two pipes joined by a straight reducing silicone hose. It's evident they haven't understood the importance of handling the thermal movement in this system. Such design is almost certain to cause problems with the hose popping off due to it does not allow movement from temperature changes. A common solution people think of is tightening the clamps more, but this will in most cases break the pipes since it will deform the clamping surface.
But we've taken a different approach at do88. For us it was clear the system needs a flexible connection in-between the two pipes which can handle the thermal expansion / contractions. Our solution is an aramid reinforced silicone hose with 3-humps. This hose design allow movement in any direction without folding or putting the connections at stress. To further strengthen our design the pipes have CNC-machined 6063 hose connection ends with 3mm wall thickness. These hose connections won’t deform even for overtightened hose clamps.
Our charge pipes don’t only solve the durability but of course also improve the performance. We designed our pipes with a larger diameter and smooth mandrel bends to enhance the performance. The lower pipe measures 60mm (2 3/8”;) and the upper pipe 76mm (3”;), they effectively reduce the pressure drop and cut down on turbulence.
Our charge pipe, which connects to the throttle body by its CNC machined flange, has two 1/8 NPT ports suitable for methanol injection or outlets like a boost pressure sensor. Additionally, we provide two 1/8 NPT plugs for those who choose not to use these ports.
Important Notice
The space available for the charge pipe between the throttle body and the slam panel (the sheet metal part located over the radiators) is very limited on the G-chassis platform. In some cases, it may be necessary to grind the edge of this slam panel by a few millimeters to provide additional space for the do88 charge pipe.
Features:
- Flexible hose connection in-between upper and lower charge pipes allowing movement which prevent the hose from popping off.
- Special designed 3-humped reduced silicone hose reinforced with high temperature rated aramid fabric and outer stainless-steel rings.
- Super high quality hose clamps from Mikalor included. These clamps are fitted with an inner-ring inside the clamp that prevents damage to the hose as well as distributing the pressure of the clamp evenly around the hose.
- Better air flow and less backpressure for your engine!
- 27 % more flow than OEM, with 558 CFM @ 150mbar (2.17psi) compared to the OEM 439 CFM.
- CNC machined hose connections with matching inner diameter to the pipe that gives a deformation safe hose clamping surface.
- CNC machined MAP sensor boss, turbo and throttle body connections.
- CNC-machined (2x) 1/8 NPT connections, perfect for methanol injection or as outlets for example boost pressure sensor.
- Two 1/8 NPT plugs are included if you don't use the ports.
- Mandrel-bent 60mm (2 3/8”;) and 76mm (3”;) charge pipes coated in a stylish black powder coat.
- Does not interfere with the engine cover.
- Includes all hardware and instructions for complete installation
What's Included:
- do88 Charge pipe, BMW G-Serie (B58)
NOTE: Product images shown may not be an exact representation of the actual product.
Model + ![]() |
Drivetrain ![]() |
|---|---|
| A90 Supra 3.0T I6 [B58] | |
| G01 X3 M40i 3.0T I6 [B58] | |
| G02 X4 M40i 3.0T I6 [B58] | + |
| G05 X5 xDrive40i 3.0T I6 [B58] | |
| G06 X6 xDrive40i 3.0T I6 [B58] | |
| G11 740i 3.0T I6 [B58] | + |
| G12 740i 3.0T I6 [B58] | + |
| G14 840i 3.0T I6 [B58] | + |
| G14 840i xDrive 3.0T I6 [B58] | + |
| G20 M340i 3.0T I6 [B58] | + |
| G21 M340i 3.0T I6 [B58] | + |
| G22 M440i 3.0T I6 [B58] | + |
| G22 M440i xDrive 3.0T I6 [B58] | + |
| G23 M440i 3.0T I6 [B58] | + |
| G23 M440i xDrive 3.0T I6 [B58] | + |
| G26 M440i 3.0T I6 [B58] | + |
| G26 M440i xDrive 3.0T I6 [B58] | + |
| G29 Z4 M40i 3.0T I6 [B58] | |
| G30 540i 3.0T I6 [B58] | + |
| G30 540i xDrive 3.0T I6 [B58] | + |
| G31 540i 3.0T I6 [B58] | + |
| G31 540i xDrive 3.0T I6 [B58] | + |
| G32 640i 3.0T I6 [B58] | + |
| G32 640i xDrive 3.0T I6 [B58] | + |
| G42 M240i 3.0T I6 [B58] | + |
| G42 M240i xDrive 3.0T I6 [B58] | + |
Return and Exchange Policy
The Return & Exchange Policy below outlines our current terms. While we try to adhere strictly to the guidelines detailed below, there are always exceptions to the rules, please speak to a BMP Tuning Customer Support Representative for clarification on anything you might have questions about - contact us.
Order Cancellations
Order Cancellation Hours of Operation
- All order cancellations are processed during regular business hours only. Any order cancellation requests made outside of normal business hours will be processed during the next business day.
Order Cancellation Fees
- Any cancelled orders including orders that have not shipped will be subject to a 5% cancellation fee to offset order processing fees that are not refunded to BMP Tuning by financial institutions and fee is waived completely if store credit is requested.
- Cancellation fee applies to any order regardless of stock status, please contact BMP Tuning if there are any questions regarding stock status before placing an order.
- If an order has already been processed or shipped and BMP Tuning is unable to cancel the order, the customer will be responsible for returning the item to us once received. Once the return is received it will be processed like any other return and be subject to the "Return and Exchange Policy" listed below.
- Certain products sold cannot be cancelled after the order has been placed due to agreements with the manufacturer, or in the case of made to order/custom items. This may be noted in the product description, but feel free to contact us to make sure before ordering.
- Any order placed via Katapult are non-refundable; refunds, if required, will be issued via store credit only.
Return & Exchange Policy
Domestic Orders
- BMP Tuning will accept returns for unused products within 1 year/365 Days from the date of purchase.
- Returned products must be new, unused, and must be in the original packaging, including labeling, manuals, hardware, etc. Special order items are non-refundable.
- Returns will NOT be processed for any received products without the proper RMA Form completed and included with the return, customer will also be responsible for return shipping to their original shipping address.
- Returns beyond 60 days of original purchase once processed can only be refunded as BMP Tuning store credit.
- In the case of an exchange, BMP Tuning will waive normal restocking fees and only collect for original shipping of the returned product unless otherwise stated by a BMP Tuning Customer Service Representative when requesting your RMA number.
- Once store credit has been issued for a return, it is final and cannot be reversed or exchanged for a refund to your original payment method at a later time. Please ensure you are comfortable with receiving store credit before completing your return.
- Contact us within 7 days of delivery if an item has arrived damaged or incorrectly so that we can rectify the situation with the responsible party. Any notifications past 7 days from delivery could cause issues with replacement and BMP Tuning is not liable for any mis-shipments or damaged items if notified past the 7th day.
- Once delivered to shipping address provided, packages are customer’s responsibility—consider requesting a signature upon delivery or insuring your order with Route.
International Orders
- New, unopened products can be returned within 60 days of purchase.
- Opened/used products and Scratch & Dent parts cannot be returned.
- Contact us within 7 days if your item is damaged upon receipt.
- Once delivered, packages are customer’s responsibility—signature confirmation is available upon request.
- Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.
Return Fees & Shipping:
- Customer is responsible for a 20% restocking fee, original shipping, and return shipping.
- In instances where the customer received FREE shipping, the shipping amount that BMP Tuning paid on behalf of the customer will be deducted from the total refund.
- BMP Tuning's restocking fee is waived in the instance customer requests store credit as long as the item is being returned to BMP Tuning and not the manufacture directly.
- Any orders that are returned to BMP Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our "Return and Exchange Policy", including a 20% restocking fee.
- Any returns that are denied for any reason will be sent back to the customer at the customers expense. Any denied return left with BMP Tuning longer than 30 days is considered forfeited by the customer and will be disposed of by BMP Tuning at BMP Tuning's discretion.
- Any order placed via Katapult are non-refundable; refunds, if required, will be issued via store credit only.
Route Shipping Protection - Refunds & Cancellations
- Route shipping protection is an insurance purchased for your shipment. Because of this, any protection on items that have already been shipped cannot be refunded.
- If your order is cancelled PRIOR to the items shipping, then the Route purchase can be refunded with the cancelled item(s). Once the order has shipped, we cannot refund the Route shipping protection.
Tariffs & Duties – No Refund Upon Return
- BMP Tuning is not responsible for any tariffs, duties, or import fees charged by customs authorities or shipping carriers.
- If you return an item, any tariff or duty you paid at delivery will not be refunded by BMP Tuning, as those are non-refundable government charges.
- Refunds for returned items will be limited to the cost of the product (minus applicable fees), not including any tariffs or duties originally paid.
- Please ensure you understand your country’s import fee obligations prior to ordering.
- If you have questions about potential tariffs, duties, or returns, contact us before placing your order—we’re happy to assist.
- All existing policy conditions (restocking fees, RMA requirement, return shipping responsibilities) still apply as stated in the original policy.
Product Return Exemptions
Tuning Software And Cables
BMP Tuning will NOT accept returns for any tuning software or tuning cables. This includes, but is not limited to:
- ECU Tunes
- TCU Tunes
- Tuning Cables such as IE POWERlink V4 Flash Cable, APR Ultralink, Unitronic UniCONNECT+ Cable, 034Motorsport Dynamic+ Tuning Cable
- Plug and Play Tuners such as Burger Motorsports JB4, COBB AccessPort
- OBDEleven Pro
Scratch & Dent, Open Box, and Clearance Items
There are absolutely no returns on any product sold as "Scratch & Dent", "Open Box", or "Clearance."
Pricing Or Photo Errors
- While we always try to provide the most accurate product and pricing information, we are humans and can make mistakes. If we listed an incorrect price or information for any product on our site, BMP Tuning reserves the right to refuse or cancel any orders placed. PRICING AND AVAILABILITY ARE SUBJECT TO CHANGE WITHOUT NOTICE.
- We try to ensure that all products are represented properly in description and photo. However, due to photos provided from manufacturers, sometimes a photo might be outdated or a generic photo for the part may be used for the item. If you have any questions about any product, please contact us before placing your order.
Need help with your order?


+ 


