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Chassis Components› Chassis and Frame Components

Ultra Racing

4-Point Front Lower Brace

Name: 4-Point Front Lower Brace
Brand: Ultra Racing
SKU: URTW-LA4-3691

$188.58

SKU: URTW-LA4-3691

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Overview

The Ultra Racing 4-Point Front Lower Brace is a precision-engineered chassis brace designed for the BMW E63 (2003-2010). It reinforces the front subframe, reducing chassis flex during braking and cornering.

Manufactured from high-grade steel, this brace is laser-cut and CNC-bent for a precise fit to factory mounting points, requiring no drilling or permanent modifications. It is a bolt-on upgrade suitable for road, track day, and motorsport applications.

Show original supplier description

The Ultra Racing 4-Point Front Lower Brace is a precision-engineered chassis brace specifically designed for the BMW E63 (634Ci) 4.5 V8 2WD COUPE from 2003-2010. This brace reinforces the front subframe area, significantly reducing chassis flex that occurs under braking and hard cornering. By stiffening the chassis, it helps to mitigate negative handling traits such as understeering and oversteering that can arise from body flex. Manufactured by Ultra Racing from high-grade steel, this brace is laser-cut and CNC-bent for an accurate fitment to the factory mounting points. Installation is a straightforward bolt-on upgrade that requires no drilling, cutting, or permanent modifications to your vehicle. This makes it an ideal enhancement for road use, track days, and motorsport applications where chassis rigidity is crucial. This front lower brace contributes to tightening the chassis, providing the driver with better confidence and more stable handling.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	Ultra Racing
Part Number	URTW-LA4-3691
Category	Chassis Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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