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  • BMW Timing Chain Lower - Iwis 11311741746
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BMW Timing Chain Lower - Iwis 11311741746
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BMW Timing Chain Lower - Iwis 11311741746

MPN: 11311741746

Iwis
IWI-50046788
In stock
$149.00 CAD $139.00 CAD

In Stock

Estimated Delivery: Aug 28, 2025 - Sep 03, 2025

BMW Timing Chain - Iwis 11318648732
BMW Timing Chain - Iwis 11318648732
$149.00 $129.00
BMW Engine Timing Chain - Iwis 11311432176
BMW Engine Timing Chain - Iwis 11311432176
$89.00 $84.00
BMW Timing Chain Lower - Iwis 11311741746
Product Product subtotal Quantity Price Product subtotal
BMW Timing Chain Lower - Iwis 11311741746
BMW Timing Chain Lower - Iwis 11311741746IWI-50046788
BMW Timing Chain Lower - Iwis 11311741746IWI-50046788
$149.00
$139.00/ea
 $0.00
$149.00
$139.00/ea
 $0.00
Description

Details

SKU: IWI-50046788
GTIN / UPC: N/A
Made in: Germany
Quality: OE

OE Numbers

11311741746

MFG Numbers

50034403

Product Information

This IWIS OE replacement timing chain is designed to maintain precise synchronization between the crankshaft and camshafts in BMW engines. It is a critical component in the timing system and should be replaced during major timing service procedures.

Although timing chains are built to last, they can stretch or wear over time, especially in high-mileage engines. Replacing a worn chain helps restore proper engine timing and protects against tensioner overload or severe internal damage.

Common symptoms of a failing timing chain include:

  • Noise: Rattling or slapping sounds from the timing case, especially at startup or during acceleration.
  • Poor Engine Performance: Timing chain stretch can lead to loss of power, hesitation, or poor throttle response.

About Iwis

iwis motorsysteme GmbH & Co. KG, headquartered in Munich, Germany, is one of the world’s leading manufacturers of precision engine timing systems. Through its high-performance JWIS product line, iwis supplies timing chains and components as original equipment to major automakers including BMW, Mercedes-Benz, Audi, Porsche, and Volkswagen.

Known for German-engineered quality, JWIS timing components are designed to maintain engine timing accuracy under extreme loads and high RPM conditions. Their timing chains are produced using proprietary alloy materials and heat treatment processes to reduce stretch, minimize friction, and extend service life.

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At GEMS autocraft, we offer high-quality auto parts, performance upgrades, and accessories. We also specialize in professional maintenance services, BMW retrofits, and advanced coding solutions—all available at our Longueuil, QC location.

Returns are accepted within 30 days if the item is unused and in original packaging. For full details, see our Return Policy.

Yes! All worldwide orders are shipped over boxed for security.

Yes! Once your order ships, you will receive a tracking number via email. You can also track your order anytime by logging into your account and visiting the "Orders" tab.

We accept credit cards, PayPal, Apple Pay, Google Pay, and Shop Pay for a seamless checkout experience.

GEMS autocraft Return & Warranty Policy

We are committed to customer satisfaction and offer a clear and efficient process for returns and warranty claims.

⟶ Returns
Return Window: Returns must be requested within 30 days of delivery.
Item Condition: Items must be unused, in original packaging, and in resellable condition.
Non-Returnable Items: Electrical components, fluids, lubricants, used parts, custom orders, and gift cards are final sale.
⟶ Warranty
Warranty Coverage: Most products and services are backed by a 1-year manufacturer or workmanship warranty. Eligibility may vary.
Claim Requirements: To submit a claim, provide the order number, product details, and a description of the issue. Supporting photos may be requested.
⟶ Additional Details
Refund Processing: Once inspected, refunds are issued within 3–5 business days to the original payment method.
Shipping Responsibility: Return shipping is the customer’s responsibility. Prepaid labels are available upon request.
Policy Details: View our complete Return and Warranty Policy for full conditions and examples.

Submit Return Request Submit Warranty Claim

Need help? Contact our support team.

We stand behind the quality of every product we offer. All manufacturer warranties are honored according to their policies, with most components covered for 1-5 years. All GEMS autocraft branded products are backed by a lifetime warranty.

Standard shipping fees may apply.

For customers choosing installation at GEMS autocraft, we take it a step further—both the replacement part and installation are covered at no charge during the warranty period.

Drive with confidence, knowing your investment is fully protected.

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