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Hi, i am a new visitor to this site and i need some help. i have a 2003 mini one petrol that requires a new gearbox but i can only locate a diesel one, are they the same as i know some of the spare parts can be used in both types ?
 

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One of the weak points of the the MINI One and Cooper up to the facelift version in mid-2004 is the early failure of some of the Rover Midland 5-speed gearboxes, especially when tuned or driven hard.
Later MINI Ones and Coopers from about mid-2004 onwards were fitted with a stronger Getrag 5-speed gearbox but all Cooper S were always fitted with a 6-speed Getrag box.
The Midland box is no longer available new so even MINI dealers only fit reconditioned Rover boxes.
(The diesel Getrag gearbox is mated to a Toyota Yaris sourced engine so will not be a straight swap mating onto your petrol engine, so I suggest you source a later 5 speed One/Cooper Getrag or 6 speed Cooper S Getrag gearbox)
If you convert to the later Getrag box other parts must also be changed to match such as driveshafts, gearbox mounting, slave cylinder, clutch and flywheel,etc.
The 6-speed Cooper S Getrag can also be fitted in a similar way, used / secondhand boxes/driveshafts are often available from MINI breakers, etc, at least in the UK.
I have recently obtained a useful step by step 30 page PDF file (with photos & part No.s) on carrying out this conversion, so if you would like a copy PM me your email address and I will send you one. :) (or anyone else thinking of doing this)
 

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Try Rick at Minigear.co.uk

By phone: 0845 094 8971

Mobile: 07815 909156


I was quoted this morning, Supply only, £440 plus p&p, exchange. for a recon gearbox.
you have to send your old one back to him.
 
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