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BMW X Series E71 (2008-2014)

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Black Forest Industries Extended Wheel Bolt - M14x1.25 - 40mm ...

T#:50899207

Part#: BFI-905-LUG

Ships on Aug 13, 2026

$ 4.99 USD

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$ 4.99 USD

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Specifically designed for use with 10mm to 15mm wheel spacers to maintain proper thread reach.

Extended Wheel Bolt - M12x1.5 - 35mm

T#:50899204

Part#: BFI-906-LUG

Ships on Aug 13, 2026

$ 4.99 USD

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Specifically engineered for vehicles utilizing a wheel stud conversion.

Active Autowerke A-Flow Catted Downpipes - S63/N63

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 X Series E71 (2008-2014)

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Black Forest Industries Extended Wheel Bolt - M14x1.25 - 40mm ...

Extended Wheel Bolt - M12x1.5 - 35mm

Active Autowerke A-Flow Catted Downpipes - S63/N63

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