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Real experience
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PRODUCT DESCRIPTION
RacingDiffs Precision Shim Kit: Ultimate Backlash Adjustment for BMW Differentials
When optimizing your BMW's differential, especially when integrating a Limited Slip Differential (LSD) or modifying the gear ratio, precise backlash adjustment is crucial. The RacingDiffs Precision Shim Kit is exclusively designed for this purpose, ensuring flawless operation of your BMW differential.
Extensive Compatibility: Expertly designed to fit a wide range of BMW differentials, including 168mm, 188mm, and 210mm. Compatible models include E21, E28, E30, E36, E34, E32, E31, and Z3.
Guaranteed Precision: This kit includes 10 high-quality shims, with measurements ranging from 1mm to 2mm, in 0.1mm increments. The key? Precision. Thanks to this wide range of measurements, you'll be able to achieve optimal backlash adjustment for your differential.
Preventive Maintenance: Proper backlash adjustment not only eliminates unwanted noises but, more importantly, protects the ring gear from premature wear and potential damage.
Industry Superiority: Unlike other options, RacingDiffs stands out for its unmatched precision, ensuring your BMW differential is perfectly tuned.
Every BMW enthusiast understands the importance of precise adjustment. With RacingDiffs, you don't just make adjustments; you achieve maximum precision. Ensure optimal performance and extended durability for your differential with the RacingDiffs Precision Shim Kit. OEM Part Numbers:
-168mm-3313906573133-13-9-065-73133 13 9 065 73133.13.9.065.731
3313906573233-13-9-065-73233 13 9 065 73233.13.9.065.732
3313906573333-13-9-065-73333 13 9 065 73333.13.9.065.733-----------------------188mm-3313906573433-13-9-065-73433 13 9 065 73433.13.9.065.734
3313906573533-13-9-065-73533 13 9 065 73533.13.9.065.735-----------------------210mm-3313906573633-13-9-065-73633 13 9 065 73633.13.9.065.736
3313906573733-13-9-065-73733 13 9 065 73733.13.9.065.737










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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.
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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.