Differential
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WESMO lock for Caterham with BMW differential
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2.081,31 € incl. 19 % VAT
1.749,00 € excl. VAT
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Installation costs for a perfectly delivered differential
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349,86 € incl. 19 % VAT
294,00 € excl. VAT
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To remove and reinstall the differential in the Caterham
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589,05 € incl. 19 % VAT
495,00 € excl. VAT
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Conversion of the BMW Differential to 7" with a gear ratio of 3.62
including new drive shafts, cardan shaft and assembly costs
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3.565,24 € incl. 19 % VAT
2.996,00 € excl. VAT
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Surcharge for modification 7"
Gear ratio 3.38 or 3.92
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714,00 € incl. 19 % VAT
600,00 € excl. VAT
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Surcharge for modification to 7"
Gear ratio 4.10 or 4.44
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1.547,00 € incl. 19 % VAT
1.300,00 € excl. VAT
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Surcharge for modification to 7"
ATB Quaife built-in
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1.148,35 € incl. 19 % VAT
965,00 € excl. VAT
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Surcharge for modification to 7"
WESMO lock built-in
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3.272,50 € incl. 19 % VAT
2.750,00 € excl. VAT
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In new Caterhams for road use, BMW 1 Series differentials have been used since around 2010.
These differentials typically come either without a differential lock or with a Caterham/TITAN limited-slip differential. The early limited-slip differentials can encounter issues because the carbon laminations wear out or break too quickly. We can repair these differentials with new, improved metal parts or install a maintenance-free Quaife ATB or WESMO differential. Retrofitting these locks into BMW differentials that were originally supplied without a lock is also straightforward.
For customers who use their Caterham primarily on racetracks or with sequential gearboxes, we offer a conversion from BMW differentials to Caterham/Ford 7" differentials, as these are better suited for high-performance applications.