1994 E36 325 tds tuning options, help please

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  1. 1994 E36 325 tds tuning options, help please 
    #1
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    m43ell's Car Details
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    right then, i have a 325 tds (1994), full bmw sh has been very well looked after and pulls like a train, has anyone out there had experience with tuning these as im not to familiar with these engines, re map or chipped? how is the turbo boost controlled? is there anything thats restricting performance on this engine? many thanks, steve
     
     

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    TheEnd's Car Details
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    Chip swap on those, pretty decent results too.

    The turbo is mechanically controlled, so not much you can do with it, but even without turbo changes it does well.

    You could expect 170-175 bhp once done!
     
     

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    m43ell (27-03-2011)

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    170-175 bhp, think i will have to make some calls about it soon, thanks for the info
     
     

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    i just looked on your site and see your in the chipping industry, how much could you supply them for? and is it just a simple replace and re solder in the ecu or is it a right ball ache? thanks again
     
     

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    £75 for the 2 chips that should be needed, and hopefully they will be in sockets which makes them an easy swap.
    If they are soldered in, you can bring it to me, and I'll fit them for you. Sockets are easy and it takes about an hour from getting the ECU out of its hole behind the fusebox, til it goes back in and its all done.

    There won't be any EWS immobilisers to worry about, the only trick bit is if they are soldered in, as it's awkward to desolder everything and keep everything hot to pull the chip without burning anything.
     
     

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    ok mate, well im down the road from you anyway really, i will take a look at the ecu tomorrow so i know whats what, are there any other issues with chipping, any major mpg drop? cooling issues? extreme premature failures i.e turbo? is it chip and drive or chip and replace other components? once again, thanks for the help
     
     

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    MPG goes up, so there's a plus. Turbo is untouched technically, apart from the engine working it, so it still boosts the same.

    All that is needed and works in the chip swaps. Stuff like changing the intercooler for something bigger, or a larger turbo can help, but it isn't needed.

    The boost could be lifted by using a bleed valve, but so far every car I've worked on, the owners are happy with the after, and aren't too fussed about get any more.
     
     

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    what about adding methanol injection to it? I was going to get a tds, chip it, intercooler upgrade, and add meth. Was wondering how the meth would affect the chip
     
     

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    Quote Originally Posted by TheEnd View Post
    There won't be any EWS immobilisers to worry about, the only trick bit is if they are soldered in, as it's awkward to desolder everything and keep everything hot to pull the chip without burning anything.
    Do you not have one of those machines that you can 'suck' the solder up when you heat it a little, seen the guys use ours at work and it looks pretty simple

    Might be worth looking in to one if you do chip changes a lot

    Mike
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    I know the thing, I use a hot air solder station, it blows air at 300 deg C in a tiny jet so you just wave it over the pads you need to take off.
    Resoldering is usually the old fashioned solder iron but it is the unsoldering where you frequently need to get a number of pads all at the right temp before you pull them off.
     
     

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