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BMW B58 Downpipe Upgrade – 3.0 L Turbo Models
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B58 Downpipe Upgrade – 3.0 L Turbo Models
Boost power and soundtrack with this high‑performance downpipe upgrade for every B58 3.0 L turbo engine. Fabricated from premium 304 stainless steel, it frees exhaust flow, chops turbo lag, and unlocks the deep, aggressive tone every B58 should have.
Key Features
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Direct bolt‑on installation – no cutting or welding required
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Dyno‑tested gains – genuine horsepower & torque improvements
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Street‑tuned or track‑ready performance
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Corrosion‑resistant 304 SS for long‑term durability
Design Highlights
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High‑temperature TIG welding delivers a sleek finish and rock‑solid integrity
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TIG craftsmanship outperforms MIG alternatives with cleaner, stronger welds and higher thermal resistance
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Engineered for optimal exhaust flow & turbo efficiency
Proven Performance
We recorded +20–25 bhp on stock tuning and 120 bhp+ on tuned setups. Professional installation is recommended; tolerances are tight and some factory exhausts sit slightly differently.
Fitment (Pre‑OPF / GPF)
Direct bolt‑on for the following chassis and models:
| Year | Chassis | Model | Drive |
|---|---|---|---|
| 2019‑23 | A90 | Toyota Supra | RWD |
| 2016‑19 | G20 | 340i & 340i xDrive | RWD / AWD |
| 2020+ | G20 | M340i & M340i xDrive | RWD / AWD |
| 2015+ | F22 / F23 | M240i & M240i xDrive | RWD / AWD |
| 2016+ | G22 / F32 / F33 / F36 | 440i & 440i xDrive | RWD / AWD |
| 2016+ | G30 | 540i & 540i xDrive | RWD / AWD |
| 2016+ | G11 / G12 | 740i & 740i xDrive | RWD / AWD |
| 2017‑20 | G01 | X3 M40i | AWD |
| 2017‑20 | G02 | X4 M40i | AWD |
| 2019+ | G05 | X5 40i & xDrive40i | RWD / AWD |
| 2019+ | G07 | X7 40i & xDrive40i | AWD |
| 2019+ | G29 | Z4 M40i | RWD |
Not compatible with OPF / GPF‑equipped vehicles.
Built for performance. Made to last.
Turn your B58 into what it was meant to be.
Shipping Policy
- Orders are typically processed within 3 business days.
- Delivery for items that are out of stock or back-ordered cannot be guaranteed.
- Additional shipping costs and/or a 20% restocking fee may apply for refused or undeliverable shipments.
- Packages are thoroughly packaged for safe arrival and insured up to $100.
- In case of incorrect items received, notify us within 2 days for prompt resolution.
Return Policy
- Faulty product returns must be notified within 7 days of receipt.
- Refunds applicable only to faulty products, excluding shipping fees.
- The buyer is responsible for return shipping charges.
- Non-defective items are subject to a 20% restocking fee.
- Change of mind returns accepted within 30 days in original packaging.
Help
Give us a shout if you have any other questions and/or concerns.
Email: info@precisioncarzone.com.au
Phone: +61 (0)477 290 704
