JDY Performance

JDY Performance S58 Single Turbo Kit BMW M2 M3 M4 (RHD)

SKU: S58-145-E73-KA/LH
$15,599.00 AUD
Turbo Option:
Wastegate Dump:
A/R

Engineered for ultimate performance, precision, and reliability.

Note: All kits are come with Engine Catch Tank Kit.

The JDY Performance BMW G8X Single Turbo Kit RHD is purpose-built for the BMW G8X M2, M3, and M4 platforms, delivering unmatched horsepower potential, efficiency, and durability.

Designed with premium materials and verified by advanced simulation testing, this kit sets a new benchmark for single-turbo conversions.

Key Features & Technical Highlights

Exhaust Manifold (316 Stainless Steel)

  • CNC-machined one-piece 6-port flange.

  • Constructed from 42mm OD / 36mm ID and 48mm OD / 42mm ID 316 stainless tubing (3 mm wall).

  • Two runner sizing options provide flexibility:

    • Small ID faster spool and response.

    • Large ID higher peak horsepower.

  • Equal-length manifold design ensures balanced flow and improved turbo efficiency.

  • Welded with Fronius TIG equipment, using dual-sided argon shielding for maximum strength and reliability.

  • Verified via ANSYS fluid dynamics testing for optimized gas flow and durability.

Turbo Compatibility

  • Supports all Precision Turbo T4 sized(H Cover 6870/7275/7675, Sportsman 6875/7480/8085) turbochargers.

  • Note: 48mm version is available by custom order to match with Precision Turbo Sportsman Turbochsrgers.

Exhaust Sealing & Hardware

  • Solid copper manifold gasket replaces OEM MLS for superior sealing.

  • Upgraded reinforced V-band clamps for durability under extreme pressure and heat.

Downpipe (304 Stainless Steel)

  • 4-inch OD, 2 mm wall stainless steel, dual-section A/B design for easier install.

  • Fully welded inside and out, with dual-sided argon shielding.

  • Compatible with OEM and aftermarket mid-pipes.

  • Additional O2 bung for wideband sensors, with OEM O2 sensor provisions included.

Wastegate & Boost Control

  • Single Precision Turbo 60mm dual-port wastegate.

  • Choice option of internal dump and external dumpexhaust routing(Screamer pipe ).

Oil & Water Lines

  • Feed line: Stainless steel AN4 swivel fittings, PTFE core, stainless braided exterior.

  • Return line: Upgraded to PTFE core piping, with aluminum AN10 fittings, black hard-anodized finish.

  • All lines covered with fire-resistant thermal sleeves.

  • CNC-machined aluminum fittings and flanges, anodized black for strength and longevity.

Coolant Relocation & Catch Can Integration

  • CNC-machined aluminum coolant relocation bracket, specifically designed to also accommodate the JDY oil catch can system.

  • Includes all necessary brackets, hoses, bolts, quick-connects, and wiring adapters for a seamless plug-and-play relocation.

  • JDY Performance dedicated catch can system is Includes in the kit. 

Charge Piping & Clamps

  • 3-inch aluminum charge pipes, fully TIG welded inside and out, hard-anodized finish.

  • All connections feature JDY Fast-Release Wiggins Clamps no silicone couplers required.

  • CNC-machined billet throttle body flange replaces OEM plastic unit.

Intake System

  • CNC-machined aluminum velocity stack for optimized airflow.

  • Includes performance cotton filter and optional silicone coupler for different setups.

Heat Management

  • Custom 304 stainless steel heat shields protecting the plastic valve cover, firewall, and electrical connections.

  • Exhaust housing, turbo manifold, downpipe, and wastegate dump pipes coated with ceramic thermal barrier (same tech used in race pistons).

  • Enhanced heat protection ensures long-term reliability of OEM wiring and components.

Fuel System Safety High Pressure Line Upgrade

  • Proprietary JDY redesign reroutes OEM high-pressure fuel line away from turbine housing.

  • Designed for 350 bar operating pressure (tested at 450 bar).

  • Eliminates vapor lock risk from fuel overheating an unique JDY-exclusive safety feature.

Materials Overview

  • Exhaust Manifold: 316 Stainless Steel

  • Downpipe: 304 Stainless Steel

  • Charge Piping: Aluminum Alloy (Hard-Anodized)

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

  • Coolant Hoses: Reinforced Silicone with Braided Mesh

  • Heat Shields: 304 Stainless Steel

Click Here For Installation Manuel

Important Information:

This product is intended for performance use and should be installed by a qualified professional.

It is the customer’s responsibility to ensure compatibility with their specific vehicle prior to purchase. If you are unsure, please contact us before ordering.

Gridline Custom Motorsports is not responsible for issues arising from incorrect installation, misuse, or improper product selection.

Due to the nature of performance parts, some items may be special order and subject to supplier availability and lead times.