What are the key things to keep during installation?

Ensure gaskets between parts are securely installed. If you prefer instruction, please let us know.

Does the product come with instruction?

This product is relatively simple to install and does not come with instructions. If you prefer instruction, please let us know.

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🔥 Upgrade your BMW’s heartbeat with MITZONE precision! ⚙️

BUILT TO LAST - Premium aluminum housing resists corrosion and wear for long-term reliability.
ALL IN ONE UPGRADE - Includes thermostat, housing, and gasket—no extra parts needed for a perfect fit.
WIDE BMW COMPATIBILITY - Fits multiple BMW models from 1999 to 2006, including 3, 5 series, X3, X5, Z3, and Z4.
EFFORTLESS INSTALLATION - Direct OEM replacement (11537509227) designed for quick, hassle-free swap.
PRECISION ENGINE CONTROL - Thermostat engineered to maintain ideal coolant flow, preventing overheating or inefficiency.

The MITZONE Upgrade Aluminum Thermostat Assembly is a robust, all-in-one cooling system component designed for BMW models from 1999 to 2006. Featuring a durable aluminum housing, precision thermostat, and gasket, it ensures optimal engine temperature control and seamless installation as a direct OEM replacement (11537509227). Perfect for professionals seeking reliable performance and longevity in their vehicle maintenance.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 91.34

Duties & taxes incl.

Slovakiastore

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30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Manufacturer	MITZONE
Brand	MITZONE
Model	Thermostat Assembly
Package Dimensions	19.1 x 14.9 x 11.8 cm; 570 g
Manufacturer reference	001-1038
Manufacturer part number	001-1038
OEM Part Number	11537509227
Position	Inside
Item Weight	570 g

MITZONE Upgrade Aluminum Thermostat Assembly with Housing Compatible with 1999-2006 BMW 325i 330i 525i 530i X5 X3 Z3 Z4 Replace 11537509227

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