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claudeG · Aug 29th, 2006, 10:01 AM

im just about to install 15% red. pulley, is it recommended that i change belts at the same time too? car has 100 000km and not gone for its major service yet ( inspection 2). i already have ngk iridiums to go in. Please help, thanks

Richard Crofts · Aug 29th, 2006, 10:37 AM

Its advised by several well recommended UK companies that you go for a smaller pulley belt when you do the reduction...reduces the chances of the belt coming off. At the very least change the standard belt for a new one as after 100k the old one will have stretched a bit and on a smaller pulley will probably be very slack and have both increased slip and chance of coming off totally.

R

claudeG · Aug 29th, 2006, 10:44 AM

what are the belt specs required for a 15% red. pulley? iether need to import or try find something local then
thanks

Capsaisin · Aug 29th, 2006, 10:57 AM

If you have any difficulty locally finding the correct belt, you could get a JCW belt from the BMW dealers. The part number is 11280300802. This should work OK with the 15% reduction pulley and would be much better than using the standard belt.

Aug 29th, 2006, 10:01 AM	#1
claudeG MINI2 Newbie Join Date: Sep 2005 Location: East rand Local Time: 06:29 PM Posts: 39 Offline	When to change belts? im just about to install 15% red. pulley, is it recommended that i change belts at the same time too? car has 100 000km and not gone for its major service yet ( inspection 2). i already have ngk iridiums to go in. Please help, thanks

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Aug 29th, 2006, 10:37 AM	#2 (permalink)
Richard Crofts THE STICK Join Date: Feb 2003 Location: Worcestershire WR15 Local Time: 05:29 PM Posts: 3,102 Online	Its advised by several well recommended UK companies that you go for a smaller pulley belt when you do the reduction...reduces the chances of the belt coming off. At the very least change the standard belt for a new one as after 100k the old one will have stretched a bit and on a smaller pulley will probably be very slack and have both increased slip and chance of coming off totally. R

Aug 29th, 2006, 10:44 AM	#3 (permalink)
claudeG MINI2 Newbie Join Date: Sep 2005 Location: East rand Local Time: 06:29 PM Posts: 39 Offline	what are the belt specs required for a 15% red. pulley? iether need to import or try find something local then thanks

Aug 29th, 2006, 10:57 AM	#4 (permalink)
Capsaisin cave capsicum Join Date: Mar 2006 Location: Crewe Local Time: 05:29 PM Posts: 3,366 Offline	If you have any difficulty locally finding the correct belt, you could get a JCW belt from the BMW dealers. The part number is 11280300802. This should work OK with the 15% reduction pulley and would be much better than using the standard belt.

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