JDY BMW G8X Single Turbo Kit M2/M3/M4

🔧 Key Features & Technical Highlights

Exhaust Manifold (316 Stainless Steel)

• CNC‑machined one‑piece 6‑port flange

• 42mm OD / 36mm ID tubing, 3mm wall thickness

• Fronius TIG‑welded with dual‑sided argon shielding

• ANSYS fluid dynamics tested for optimized gas flow

Turbo Compatibility

• Supports Precision Turbo T4 (6670/6870/7275/7675)

• Compatible with 6870, 7275, 7675, 7480 Sportsman, 8085 Sportsman, 8385 Sportsman

Exhaust Sealing & Hardware

• Solid copper manifold gasket (superior to OEM MLS)

• Reinforced V‑band clamps for extreme durability

Downpipe (304 Stainless Steel)

• 4‑inch OD, 2mm wall, dual‑section A/B design

• Fully TIG‑welded with dual‑sided argon shielding

• OEM & aftermarket mid‑pipe compatibility

• Extra O2 bung for wideband sensors

Wastegate & Boost Control

• Dual Precision Turbo 46mm dual‑port wastegates (LHD version)

• Internal or external dump routing (screamer pipe option)

Oil & Water Lines

• AN4 stainless feed line with PTFE core

• AN10 PTFE return line with anodized aluminum fittings

• Fire‑resistant thermal sleeves for all lines

Coolant Relocation & Catch Can Integration

• CNC‑machined relocation bracket with JDY catch can compatibility

• Includes brackets, hoses, bolts, quick‑connects, and adapters

Charge Piping & Clamps

• 3‑inch aluminum charge pipes, TIG‑welded, hard‑anodized

• JDY Fast‑Release Wiggins clamps (no silicone couplers)

• Billet throttle body flange replaces OEM plastic

Intake System

• CNC‑machined velocity stack for optimized airflow

• Performance cotton filter included

Heat Management

• Custom 304 stainless heat shields for valve cover, firewall, and wiring

• Ceramic thermal barrier coating on manifold, downpipe, and dump pipes

Fuel System Safety Upgrade

• JDY proprietary high‑pressure fuel line reroute (350 bar rated, tested at 450 bar)

• Eliminates vapor lock risk — exclusive JDY safety feature

📦 Materials Overview

• Exhaust Manifold: 316 Stainless Steel

• Downpipe: 304 Stainless Steel

• Charge Piping: Hard‑Anodized Aluminum Alloy

• Oil & Water Lines: PTFE Core, Stainless Braiding, Aluminum AN Fittings

• Coolant Hoses: Reinforced Silicone with Braided Mesh

• Heat Shields: 304 Stainless Steel

JDY’s Turbo Kit is the ultimate upgrade for BMW S58 engines — engineered for extreme performance, precision fitment, and long‑term reliability.

If your item is in stock and the order is placed before 3 PM, it will ship the same day. Products that include ceramic coating are shipped the following business day. If the product or color you’re looking for is out of stock, you can join the waitlist by clicking the “Email When Available” button. We’ll notify you as soon as it’s back and provide an estimated restock time.

Custom Orders
For custom requests, please email us directly. We’ll review your order and provide an estimated delivery time based on the required manufacturing process.

Damaged, Incorrect, or Missing Items
If your order arrives damaged, incorrect, or missing parts, simply email us a photo along with your order number. We’ll arrange a refund or exchange right away. Contact us at info@ttmengineering.se and we’ll make it right.

Returns & Satisfaction
Unused and uninstalled products are eligible for a refund, exchange, or store credit. Unfortunately, once a product has been used or installed, we cannot accept returns or offer refunds. If you decide you don’t like a product after installation, it will not qualify for return.

Restocking Fee
A restocking fee of 20% of the original purchase price may apply to returned products. This fee covers the costs of processing and restocking. Please refer to our Policies Page for full details on exchanges and returns.