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DS-1 Precision-Engineered High-Flow Catted Downpipe for B58 3.0L Engi...

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T#:6683680

Part#: 0005DS1

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$ 979.00 USD

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$ 979.00 USD

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Elevate your BMW's performance with the DS-1 high-flow catted downpipe, precision-engineered for the BMW B58 3.0L engine. Crafted for optimal flow and factory-like fitment, this 5" mandrel bent stainless steel upgrade delivers faster turbo spool up, a richer exhaust note, and improved throttle response. It features a 200 CPSI race catalytic converter, a true 5" catalyst, T304 stainless steel, TIG welding, and CNC flanges. Enhance power, sound, and quality. Unleash the DS-1: Elevating Performance for BMW Models with the B58 3.0L Engine The DS-1 high-flow catted downpipe is the ultimate performance upgrade for BMW models featuring the B58 3.0L engine. Meticulously engineered and crafted with precision, this 5" mandrel bent stainless steel masterpiece optimizes airflow while preserving a factory-like fitment. Key Features: Turbocharged Performance: Experience faster turbo spool up, a deeper exhaust note, and significantly improved throttle response, enhancing your driving experience. Race-Ready Catalytic Converter: Equipped with an ultra-high flow 200 CPSI race catalytic converter, the DS-1 ensures optimal exhaust performance, raising the bar for your BMW. Unparalleled Flow: The DS-1 boasts a true 5" (127mm) diameter catalyst, reducing flow restrictions by an impressive 56%, surpassing the capabilities of 4" sports catalysts used by competitors. Premium Stainless Steel: Crafted from top-tier T304 high-grade stainless steel, the DS-1 guarantees durability and longevity, making it a lasting investment. Precision Welding: Employing TIG welding with chemical weld passivation, the DS-1 not only ensures enhanced appearance but also provides superior corrosion protection, combining style and longevity. Optimized Design: Leveraging 3D computer design and flow simulation, the DS-1 minimizes bends and incorporates gradual transitions for smooth and efficient airflow, resulting in peak performance. Perfect Fit: Enjoy an OEM-like fitment that seamlessly retains factory O2 sensor functionality, ensuring a straightforward installation process. Crafted to Perfection: Our CNC flanges and precision laser-cut brackets underscore the meticulous craftsmanship invested in creating the DS-1 downpipe, ensuring a seamless and high-performance integration with your BMW. Fits these BMW Models: BMW 340i (F30/F31) - 2016+ BMW 440i (F32/F33/F36) - 2016+ BMW 540i (G30/G31) - 2017+ BMW 640i (G32) - 2017+ BMW X3 M40i (G01) - 2018+ BMW X4 M40i (G02) - 2018+

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6PK1400

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T#:392783

Part#: 6PK1400

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$ 23.99 USD

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$ 23.99 USD

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Gates Heater Hose - Heater Core to Expansion Tank - E46

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T#:596351

Part#: 64218376153

In Stock

Sale - Save 28% $ 94.99

This product was last offered at the strikethrough price on
05-03-2026

$ 68.44 USD

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Sale - Save 28%

$ 94.99

This product was last offered at the strikethrough price on
05-03-2026

$ 68.44 USD

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Upper Radiator Hose

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T#:592898

Part#: 11531265271

Ships in 1 Business Day

$ 35.00

This product was last offered at the strikethrough price on
05-07-2026

$ 34.00 USD

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$ 34.00 USD

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Gates Automotive XL V-Belt (13x875mm)

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T#:29466782

Part#: 9345

In Stock at Vendor

$ 31.71 USD

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$ 31.71 USD

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The Automotive XL™ is a durable, heavy-duty replacement V-belt designed for the most demanding engine drives. Due to thermal forces in the vehicle engine, this variable notched belt tightens on the drive as it heats up to prevent slippage or belt loss, improve belt performance, and reduce noise. Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley. Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley. Thermally active tensile cords for maintenance-free performance when properly installed and tensioned. XL Belts resist oil, heat, ozone, weather, and aging for improved belt life. Meets or exceeds SAE J636C specifications.

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Racing Multi Rib Accessory Belt K060547RPM

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T#:2181331

Part#: K060547RB

In Stock at Vendor

$ 40.99

This product was last offered at the strikethrough price on
05-07-2026

$ 39.99 USD

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$ 39.99 USD

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6pk1600

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T#:640075

Part#: 6PK1600

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$ 35.99

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05-07-2026

$ 34.99 USD

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$ 34.99 USD

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Gates 3/4" Molder Rubber Heater Hose - 28480

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T#:638853

Part#: 28480

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$ 27.99

This product was last offered at the strikethrough price on
05-07-2026

$ 26.99 USD

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$ 26.99 USD

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Lower Radiator Hose - E46 3 Series (Not M3)

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T#:387180

Part#: 337992TCKOGV0903

Ships in 4 Business Days

$ 42.99 USD

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$ 42.99 USD

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Gates Thermostat - 80Â°C - E46, Z3, Z4

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T#:403799

Part#: 11531318274

Ships in 5 Business Days

$ 73.99 USD

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$ 73.99 USD

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Gasket Not included

Gates Return Hose - E46

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T#:591760

Part#: 11531436410

Ships on Jul 30, 2026

$ 31.99 USD

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$ 31.99 USD

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Connects the Expansion Tank to the Water Pipe

Gates Expansion Tank Hose - E39

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T#:591764

Part#: 11531438632

Ships on Jul 30, 2026

$ 60.99 USD

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$ 60.99 USD

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Runs from the expansion tank to the heater core

Micro-V AT Belts

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T#:591648

Part#: 11281401159

Ships on Jul 30, 2026

$ 23.99 USD

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$ 23.99 USD

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A/C Belt Hydraulic Tensioner

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T#:592828

Part#: 11281745545

Ships on Jul 30, 2026

$ 73.99 USD

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$ 73.99 USD

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Accessory Belt

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T#:592850

Part#: 11287628651

Ships on Jul 30, 2026

$ 24.99 USD

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$ 24.99 USD

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Gates RPM Supercharger Belt - 1310mm

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T#:1560425

Part#: 7PK1310

Special Order: No Guaranteed ETA

$ 55.99 USD

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$ 55.99 USD

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Multi Rib Accessory Belt - 1385

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T#:593532

Part#: K060539

In Stock

$ 32.99 USD

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$ 32.99 USD

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Water Pump

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T#:592890

Part#: 11517546994

In Stock

$ 649.99

This product was last offered at the strikethrough price on
05-03-2026

$ 372.99 USD

Limited Qty Sale

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$ 649.99

This product was last offered at the strikethrough price on
05-03-2026

$ 372.99 USD

Limited Qty Sale

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Multi Rib Accessory Belt - 1367

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T#:593530

Part#: K060532

Ships in 1 Business Day

$ 40.99

This product was last offered at the strikethrough price on
05-07-2026

$ 38.99 USD

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$ 38.99 USD

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Water Pump - Remanufactured

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T#:591803

Part#: 11517513062

In Stock at Vendor

$ 182.99 USD

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$ 182.99 USD

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Lower Radiator Hose To Thermostat Housing 23486

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T#:592166

Part#: 17122754247

In Stock at Vendor

$ 108.99

This product was last offered at the strikethrough price on
05-07-2026

$ 105.99 USD

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$ 105.99 USD

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Additional Water Pump - 41560E - MINI N14 N18

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T#:636986

Part#: 11537630368

In Stock at Vendor

$ 101.99 USD

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$ 101.99 USD

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This electric water pump works with the coolant system to cool the internals of the turbocharger system. Connects to the coolant systems and is regulated by the electronics in your MINI. Directional flow arrows let you know the connection to your pipes. Updated pump. Fits BMW Engines including: N14,N18

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Mechanical Belt Tensioner 39127

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T#:591685

Part#: 11287571015

In Stock at Vendor

$ 226.99

This product was last offered at the strikethrough price on
05-07-2026

$ 220.99 USD

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$ 220.99 USD

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Radiator Hose - Upper

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T#:592927

Part#: 11531741415

In Stock at Vendor

$ 38.99

This product was last offered at the strikethrough price on
05-08-2026

$ 37.99 USD

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$ 37.99 USD

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Gates High Performance Timing Belt

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T#:3018039

Part#: T167RB1

In Stock at Vendor

$ 302.99

This product was last offered at the strikethrough price on
05-08-2026

$ 293.99 USD

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$ 293.99 USD

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Gates Micro-V Aramid Serpentine Drive Belts

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T#:42167225

Part#: K060563A

In Stock at Vendor

$ 38.69 USD

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$ 38.69 USD

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Drive Belt

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T#:50101782

Part#: 6K410AP

In Stock at Vendor

$ 16.99 USD

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$ 16.99 USD

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Gates High Performance Timing Belt

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T#:3018040

Part#: T179RB

In Stock at Vendor

$ 154.99

This product was last offered at the strikethrough price on
05-08-2026

$ 149.99 USD

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$ 149.99 USD

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Oil Cap W/ Seal

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T#:591525

Part#: 11121486686

Ships in 1-2 days

$ 27.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 26.99 USD

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$ 26.99 USD

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Gates Thermostat O-Ring - E36

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T#:374981

Part#: 11531721218

Ships in 1-2 days

$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD

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$ 2.99 USD

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BMW does not include a O-ring with their new thermostats

Gates Radiator Hose - Lower - E46

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T#:1972

Part#: 11531436408

Ships in 4 Business Days

$ 42.99 USD

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$ 42.99 USD

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OEM Replacement Lower Radiator Hose for E46 3 series (Not M3). We recommend replacing the Coolant Temperature Sensor while replacing this hose as the original sensor is often damaged while trying to remove it from the old hose.

This lower radiator hose fits the following BMWs:
1999-2000 E46 3 Series Sedan/Wagon - 323i & 328i
1999-2000 E46 3 Series Coupe/Conbertible - 323Ci & 328Ci
2001-2005 E46 3 Series Sedan/Wagon - 325i, 325xi, 330i, 330xi
2001-2006 E46 3 Series Coupe/Convertible - 325Ci, 330Ci

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Upper Radiator Hose - Short Section 23481

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T#:592164

Part#: 17122754224

Ships on Jul 30, 2026

$ 33.32 USD

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$ 33.32 USD

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Mechanical A/C Belt Tensioner Assembly

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T#:592837

Part#: 11287512758

Ships on Jul 30, 2026

$ 116.99 USD

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$ 116.99 USD

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Gates Adjusting Pulley (Center Mounting) - A/C Belt and Water Pump/Al...

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T#:591658

Part#: 11281731220

Ships on Jul 30, 2026

$ 43.99 USD

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$ 43.99 USD

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Crankcase Pressure Regulator Valve

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T#:592957

Part#: 11617501566

Ships on Jul 30, 2026

$ 70.99 USD

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$ 70.99 USD

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Water Pump

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T#:591817

Part#: 11517550484

Ships on Jul 30, 2026

$ 242.99 USD

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$ 242.99 USD

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Lower Radiator Hose To Thermostat Housing - Rear 23484

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T#:592159

Part#: 17122754220

Ships on Jul 30, 2026

$ 49.99 USD

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$ 49.99 USD

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Multi Rib Belt K060352

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T#:591691

Part#: 11287604014

Ships on Jul 30, 2026

$ 24.99 USD

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$ 24.99 USD

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Drive Belt - Alternator

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T#:592803

Part#: 11231469235

Ships on Jul 30, 2026

$ 18.99 USD

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$ 18.99 USD

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Gates Deflection Pulley - Water Pump/Alternator Belt (Center Mounting...

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T#:596324

Part#: 11287549557

Ships on Jul 30, 2026

$ 62.99 USD

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$ 62.99 USD

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Accessory Belt

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T#:591609

Part#: 11281432724

Ships on Jul 30, 2026

$ 41.99 USD

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Qty

$ 41.99 USD

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Gates Expansion Tank Hose - E36, Z3

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T#:591957

Part#: 17111723521

Ships on Jul 30, 2026

$ 19.99 USD

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$ 19.99 USD

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Connects the expansion tank to the radiator

Coolant Hose - Lower Expansion Tank

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T#:591798

Part#: 11533400205

Ships on Jul 30, 2026

$ 37.99 USD

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$ 37.99 USD

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Radiator Hose - Lower 23375

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T#:592153

Part#: 17121475574

Ships on Jul 30, 2026

$ 84.99 USD

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$ 84.99 USD

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Gates Automotive XL V-Belt (13x925mm)

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T#:29466783

Part#: 11287589365

Ships on Jul 30, 2026

$ 31.99 USD

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$ 31.99 USD

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The Automotive XL™ is a durable, heavy-duty replacement V-belt designed for the most demanding engine drives. Due to thermal forces in the vehicle engine, this variable notched belt tightens on the drive as it heats up to prevent slippage or belt loss, improve belt performance, and reduce noise. Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley. Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley. Thermally active tensile cords for maintenance-free performance when properly installed and tensioned. XL Belts resist oil, heat, ozone, weather, and aging for improved belt life. Meets or exceeds SAE J636C specifications.

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