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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW X Series E70 (2007-2013)

Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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Universal Catalytic Converter - 2.25"

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T#:23152011

Part#: 602205

In Stock

$ 97.99 USD

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$ 97.99 USD

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Enhance your BMW's performance with this OBD II compliant universal fit catalytic converter. This converter, devoid of O2 sensor bungs, ensures compatibility with various vehicles. However, please note that it's not a 50-state legal catalytic converter. For California residents, it's recommended to verify local laws pertaining to aftermarket catalytic converters.

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Rear Oxygen Sensor - Bank 2 Post-Cat

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T#:35863161

Part#: 11787545075

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$ 76.99 USD

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$ 76.99 USD

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The oxygen sensor is vital to the performance and drivability of your car. The engine computer relies on data from the sensor to make adjustments in engine efficiency and performance. When your BMW oxygen sensor fails, the computer can no longer sense the air/fuel ratio, so it ends up guessing -- resulting in poor performance, poor gas mileage, and increased pollution. Make sure your BMW engine performs as it should, and doesn't use more fuel than it needs to, by simply changing your oxygen sensor today. There is no lifespan on O2 sensors but there are several fault codes that indicate a failed sensor (O2 monitoring, cat efficiency, O2 heating circuit, O2 readiness, and others). The O2 sensor is heated and has a self-calibration feature so once you get the codes or feel performance has suffered, a new sensor is a good starting point to get you back to peak performance.

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URO Oxygen Sensor - For BMW N54 N55 N20 Engines

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T#:37925873

Part#: 11787589475

In Stock

$ 69.99 USD

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$ 69.99 USD

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URO Oxygen Sensor - For BMW N54 N55 N20 Engines

The URO Oxygen Sensor - For BMW N54 N55 N20 Engines is a high-quality replacement designed to restore proper oxygen sensor function and optimize the engine air-fuel mixture. This direct-fit OE replacement ensures seamless compatibility with factory components, providing accurate fuel metering for improved engine efficiency and emissions control. The plug-and-play design simplifies installation, allowing for a hassle-free replacement without modifications. Built from high-quality materials, this oxygen sensor is engineered to withstand extreme exhaust system temperatures, ensuring long-lasting durability and consistent performance. Featuring alloy conductors that minimize electrical resistance, it delivers precise readings for optimal fuel efficiency. Backed by a 24-month unlimited mileage warranty, it offers peace of mind for BMW owners seeking reliable performance.

Key Benefits:

Direct-fit OE replacement restores proper oxygen sensor function and fuel metering
Plug-and-play connection for quick and hassle-free installation
High-temperature resistant materials ensure long-lasting durability
Alloy conductors minimize electrical resistance for accurate sensor operation
24-month unlimited mileage warranty for added confidence

Upgrade your BMW N54, N55, or N20 engine with the URO Oxygen Sensor and experience improved efficiency, emissions control, and long-term reliability.

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Vacuum Control Valve - E36 E39 E46 E53 E65 E66 E70 E83 E90

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T#:24179138

Part#: 11747810831

Back Ordered

$ 23.99 USD

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$ 23.99 USD

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Vacuum control valve used in emissions control systems.

URO Oxygen Sensor - Post Cat - BMW N63 4.4L

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T#:43750201

Part#: 11787614322

Ships in 1 Business Day

$ 69.99 USD

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$ 69.99 USD

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Replace worn-out and or malfunctioning O2 sensors to make your vehicle emissions compliant

Exhaust Flange Nut - Priced Each

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T#:5362909

Part#: 18407502196

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$ 2.99 USD

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$ 2.99 USD

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This URO Parts Copper Exhaust Nut is the ideal replacement for standard BMW hardware, offering factory-level fitment and reliability.

Exhaust Clamp (D=70mm) - Priced Each

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T#:377354

Part#: 18307560780

In Stock

$ 27.99 USD

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$ 27.99 USD

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Used to connect two pieces of exhaust tubing

Active Autowerke Performance Catted Downpipes - Flanged - E70/71 E60/...

For Model Years 2010-2012 Only

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For Model Years 2010-2012 Only - VIN Required for Purchase

T#:22822600

Part#: 11-041F

Ships in 10 Business Days

5% off MSRP $ 2,999.00

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

$ 2,849.99 USD

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5% off MSRP

$ 2,999.00

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

$ 2,849.99 USD

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The S63 and N63 twin-turbo V8s are world-class powerplants, but they’ve got a breathing problem. From the factory, your BMW X5M, X6M, 550i, or 650i is suffocating under massive backpressure caused by restrictive, bulky catalytic converters that trap heat and kill momentum. If you want real power, you have to let those turbos spin. Active Autowerke’s Signature High-Flow Downpipes are the ultimate "no-compromise" upgrade for the serious BMW enthusiast. Hand-fabricated in Miami, these 3.0" downpipes utilize GESi G-Sport Ultra High Output technology. You get the raw performance and rapid spool of a track setup with the refined, odorless experience of a daily driver—and most importantly, no Check Engine Light. Why These Downpipes Belong on Your BMW: Turbo performance is all about the pressure differential. By clearing the path behind the turbine wheel, you allow the turbos to work significantly less to produce significantly more. Instant Turbo Response: Experience a massive reduction in lag with quicker spool-up and instant throttle tip-in. Massive Power Ceiling: The 4.5" GESi 400-cell cores are rated for 500hp to 850hp, ensuring they won't become a bottleneck as you climb the ladder of modifications. Clean & Odorless: Forget the "gas station" smell of catless downpipes. These proprietary precious-metal catalysts keep the air clean and your cabin comfortable. Hand-Built Precision These aren't mass-produced units. Each set is TIG-welded 304 stainless steel with cast upper V-band flanges for a factory-perfect, leak-free seal. Because Active Autowerke builds these in-house, the fitment is surgical—designed for a straightforward bolt-on installation with no cutting or welding required. Turner Fitment Note: To guarantee 100% accuracy for your build, please provide your VIN at checkout. Note: These are F-chassis specific; G-body vehicles with the N63B engine require a different configuration. Core Features: No CEL Guarantee: Optimized for catalytic efficiency to keep your dashboard clear. 49-State Legal: EPA Registered and fully OBD2 compliant (Excludes CA). Built for Heat: Rated to withstand up to 1,500°F and reaches operational efficiency in just 9 seconds. Legendary Durability: 304 stainless substrate is furnace-braised to the mantle for maximum vibration resistance. Warranty Protected: Includes a 5-year/50,000-mile structural warranty and a 2-year/25,000-mile catalyst core warranty.* Technical Specs: Material: TIG-Welded 304 Stainless Steel Tubing: Full 3.0" (76mm) Mandrel-Bent Piping Catalyst: GESi Ultra High Output (400 CPI) HP Rating: 500hp - 850hp Lead Time: Custom made-to-order (Approx. 2 weeks) *A Note on Burble Tunes: We love a good exhaust crackle as much as anyone, but "aggressive" burble or pop maps physically destroy catalytic substrates. Use of such tunes will void the warranty on the GESi core.

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Active Autowerke A-Flow Catted Downpipes - S63/N63

For Model Years 2010-2012 Only

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For Model Years 2010-2012 Only

T#:51110141

Part#: 11-041AF

Ships in 3 Business Days

$ 2,279.00 USD

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$ 2,279.00 USD

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For the BMW enthusiast seeking an aggressive upgrade for their 2010–2012 X5M or X6M without the drawbacks of "stinky" exhaust or frequent error codes, Active Autowerke offers the Aflow Catted Downpipes. These units provide the performance benefits typically associated with track-only pipes while maintaining high-flow catalytic efficiency. This design prevents the raw fuel odor and excessive cabin drone often found in catless setups, making them the ideal choice for a performance-oriented daily driver. Each set is custom-made in Miami, ensuring an exact, surgical fit to the factory mounting points. By utilizing high-quality casted V-band flanges and premium materials, these downpipes offer a reliable, leak-free solution that enhances the sophisticated V8 exhaust note without triggering the Check Engine Light (CEL). Key Features: No CEL Guarantee: Advanced Aflow catalyst design avoids catalytic efficiency warnings on the dashboard. Refined Exhaust Note: Enhances the natural V8 growl while maintaining high-end luxury refinement. Cast V-Band Connections: Precision upper flanges ensure a perfect, factory-like seal to the turbo housing. Direct Bolt-On: Replaces bulky OEM ceramic converters with no cutting or welding required. Thermal Management: Efficiently handles the high heat output of the BMW twin-turbo V8 platform. U.S. Manufacturing: Fabricated in-house to meet Active Autowerke’s high standards of quality control. Specifications: Primary Material: TIG-Welded 304 Stainless Steel. Manufacturing Location: Miami, FL, USA. Inlet Type: Casted Stainless Steel Flange. Weight Reduction: Significantly lighter than the heavy factory ceramic catalytic assemblies. Finish: Industrial brushed stainless. Build Time: Custom made-to-order (Approx. 2 weeks).

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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW X Series E70 (2007-2013)

Sub-Categories

Universal Catalytic Converter - 2.25"

Rear Oxygen Sensor - Bank 2 Post-Cat

URO Oxygen Sensor - For BMW N54 N55 N20 Engines

URO Oxygen Sensor - For BMW N54 N55 N20 Engines

Key Benefits:

Vacuum Control Valve - E36 E39 E46 E53 E65 E66 E70 E83 E90

URO Oxygen Sensor - Post Cat - BMW N63 4.4L

Exhaust Flange Nut - Priced Each

Exhaust Clamp (D=70mm) - Priced Each

Active Autowerke Performance Catted Downpipes - Flanged - E70/71 E60/...

Active Autowerke A-Flow Catted Downpipes - S63/N63

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