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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
Strengthen your BMW's differential with our reinforced forged steel cover.
Enhance the durability and reliability of your BMW's ZF limited-slip differential, found in models like the E30, E36, E34, and Z3. Our reinforced forged steel cover is designed to withstand greater loads and power, ensuring your differential endures the most demanding conditions without failure.
Why choose our reinforced cover?
Increased Durability: Made from the highest quality tool steel, hardened and nitrided, our cover offers unparalleled strength and durability. It is specifically designed to prevent the common differential cover breakage associated with aggressive ramp angles such as 30°/30° or 30°/60°.
Lifetime Warranty: We back our product with a lifetime warranty, giving you peace of mind that this is a one-time investment for the permanent robustness of your differential.
Optimized for Competition: Whether you enjoy drifting, track racing, or any high-demand motorsports, this cover is an essential upgrade that ensures your differential can withstand the extreme demands of competitive driving.
Product Features:
Compatibility: Perfectly fits LSD units. For 188mm differentials, it is designed to work with a 4-clutch disc setup. Please note that a minimum of 3 clutch discs is required.
Reinforced Bolts Included: Includes specially designed bolts that prevent the internal wear observed in original components.
Installation Note: This cover is an essential upgrade for anyone pushing their BMW to the limit on the track. Installation is straightforward, and reinforced bolts are included for a secure fit.
Ideal for: BMW E30, E36, E34, and Z3 owners looking to reinforce their vehicle's differential against the demands of competition and intense driving situations.
Improve the structural integrity of your BMW's differential with our reinforced machined steel cover and drive with confidence, knowing your vehicle is prepared to perform at its best under pressure.










WHY THETUNERLAB
We have spent years building cars, racing, and testing the exact same parts that we sell.
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We test before we recommend.
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We help you choose the right part.
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Only trusted manufacturers.
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Before and after the purchase.
+10 years
of passion for drifting
+30.000
available products
+5.000
satisfied customers
24/7
passion for motoring
Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
You can contact our team via WhatsApp, email, or our website's contact form.
Shipping costs depend on the type of product, its weight, dimensions, and the destination country. In most cases, the amount is calculated automatically during the checkout process before the order is finalized.
For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.