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  #1 (permalink)  
Old Apr 6th, 2014, 12:13 PM
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Remapping a 2003 Cooper S?

I had my last car, a BMW 320D remapped and the gain in performance was amazing especially considering the cost. Does anyone have any experience of having theirs remapped?
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Old Apr 6th, 2014, 12:39 PM
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Hi ya

is your car standard or have you done any mods to it ?
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Old Apr 6th, 2014, 12:57 PM
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No problems to report ive Superchips Bluefin id recommend it to anyone cost about 230 hope this helps
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Old Apr 6th, 2014, 01:18 PM
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Quote: Originally Posted by marque (original)
Hi ya

is your car standard or have you done any mods to it ?

Haven't got it yet but it's standard. Busy planning mods already!
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Old Apr 6th, 2014, 02:38 PM
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Quote: Originally Posted by Zonda_ (original)
Haven't got it yet but it's standard. Busy planning mods already!

Hi ya

I would advise you to save your money on a remap at the moment. And would advise against a bluefin they work ok on non S cars but it's a know problem that they burn out valve on the S there's lots of threads on NAM, mini torque, mini2 etc where this us the case

I would say first of all fit a reduced sc pulley, a good airbox or cold air intake, a good intercooler and cooler heat range on you spark plugs, this will be a good start.
Also do the one ball mod to the exhaust gives you abit more power and better sound :-)

There is no real need to remap your car at the moment as the DME is self learning (adaptive). The only time you really need to remap is when you start to change injectors heads and cams.

Just remember after any mods to reset your DME/ECM ( engine computer )

If your going to start to mod the car one of the first things you should also consider is brakes as they are rubbish on the standard S, there are lots of options out there ie r56s brake upgrade or even bigger brembo 4 pots

Hope this helps

Ps best stuff around for the money and they work

Intercoolers = GRS Motorsport version or airtec
SC pulleys = kavs or alta
Airbox = Dave F or orranje stealth
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Old Apr 6th, 2014, 03:22 PM
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I second everything that marque says, you won't really gain any more power remapping a supercharged s.
The best thing to start with is the supercharger pulley & plugs. I have the orranje airbox they perform well & give you loads more whine. If you go for the 17% reduced pulley I would also advise a bigger intercooler
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Old Apr 6th, 2014, 04:15 PM
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Ah cool, thanks for the advice, I'm new to the world of supercharging, had plenty of turbos but some of this is all new to me! Are these things easy enough to fit yourself? I've fitted plenty of induction kits and cold air feeds in the past. Lastly, where am I best off buying from?

Thanks again.
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Old Apr 6th, 2014, 05:44 PM
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The pulley swap is quite an involved job you have to undo engine mounts & jack up the engine to get to it you will also need the proper puller to get the old pulley off (around 60 but normally get most of your money back if you sell it on ebay after) if you do a search for R53 pulley swap you should see some good how to's to see if its within your capabilities. You can get the kits with belt & plugs from places like 1320
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Old Apr 6th, 2014, 06:10 PM
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Cheers, looks like I'll be off to 1320 for a day to get it fitted!
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Old Apr 6th, 2014, 06:11 PM
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Hi ya

If your ok with tools it's pretty straight forward to swap the pulley.
But use a good puller I would recommend the craven speed one I have used mine loads and never had a problem.

What are your goals for performance and what is your driving style do you like mid range or top end power that will help you choose what size pulley you get.

I would advise you to get a 15% IMO it's the better option for lots or boring reasons

Anyway here's a link for the pulley look under support and there's a good install how to

Supercharger Pulley 15% and 17% Reduction

Helpfull info if your going to do it your self or with a mate you can get the parts from 1320, orranje, lohan, kavs. I would use a kavs or alta pulley I run an alta one never had a problem it's been very good.

Where about's are you
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Old Apr 6th, 2014, 06:17 PM
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I'm in North Yorkshire near Middlesbrough. I like attacking back roads and having power to overtake, once the brakes are updated I'll hopefully be doing some more trackdays too.

Last edited by Zonda_; Apr 6th, 2014 at 07:25 PM.
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Old Apr 6th, 2014, 06:42 PM
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Hi ya

Cool well you have 1320 and lohan then to supply and fit. Unless you do it your self
I would get an intercooler fitted as soon as possible as you will be running more boost which makes more heat.
There are a few secondhand GRS or airtec intercoolers around so keep your eyes open. Places like mini torque, track mini, total mini, and here in the classified section and you might even find an airbox to

Hope this helps enjoy
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Old Apr 6th, 2014, 08:05 PM
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Yes you will be suprised at the difference a pulley airbox & intercooler make.
I have fitted
17% pulley
Orranje air box
Fletcher cat back exhaust
GRS intercooler
Lightened crankshaft pulley
VGS mod
Dyno'd at Lohen 217bhp
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