NEW 2026 PRODUCT!…… Coming soon
(New images will be available soon…. Current just for reference )
NEW VERSION – Brand New Highest Quality German Made Units – Spec is equal to If not higher quality than the Original OEM! Unlike Budget Copies that have a completely different internal layout & components that can fail in a short time period. These follow the OEMs Design in function & components.
With OEM throttle bodies for the MINI Cooper S Gen 1 now long discontinued, we set out to engineer a true long-term solution rather than rely on compromised alternatives. After extensive and costly research & development, it became clear that many aftermarket pattern parts simply weren’t up to standard. Our new GTT 63mm BIG BORE Throttle Bodies have put an end to modified second-hand units, which—due to age and wear—no longer offer dependable performance or value. These units are 100% brand new, not refurbished, not re-machined, and no longer supplied on an exchange basis!. That means no surcharges, no core returns, and no downtime waiting to send in your original throttle body. While priced slightly higher than the old exchange versions, you’re investing in a premium, brand-new component that delivers superior quality, reliability, and a clean, factory-fresh finish.
The Standard 57mm throttle body when modifying to higher levels of power becomes a restriction that needs to be removed. Consider also that at wide open throttle the excessively wide butterfly spindle imposes a further restriction (a reduction of 570 square mm’s) reducing the cross sectional area to the equivalent of just 50mm diameter! At GTT we precision bore to 63mm diameter. This size perfectly matches the internal diameter of the SC inlet plenum which it is bolted and dowelled onto. The surface finish is maintained to CLA 32 or better. In other words very fine and accurate, ensuring no sticking throttle plate or leaking on idle. We have seen other offerings that would make a ploughed field look flat! Throttle bodies are sold on exchange. Where possible the customers own part is modified. .
Available for: MINI Gen 1 Cooper S (also JCW / GP1)
(Fits all gen 1 MINI Supercharged models…. Cooper S, JCW & GP1)
£449+vat OUTRIGHT PRICE… NOT ON EXCHANGE! 
( No need to pay a Surcharge or need to send us your original unit as part of the old exchange basis)
LOT OF WORK GOES INTO MAKING THESE COMPLEX ITEMS, There maybe a few small light marks from the work…. You cannot see the unit when installed, you will not be disappointed by the performance!
The car will calibrate the TB automatically after a minute of full operation (rev the car / drive it) Note: the car usually idles strangely on initial start up.