Re: performance upgrades

[Rusty Cullens <zac3@xxxxxxxxxxxxx>]

Mark-
I have Bosch plugs W8LCR for $1.55 each and Beru wires for $119.95 per
set.

Mark Tetrault wrote:

> Since my recent purchase here in NH of a 1990 525i, I would like to do
> a few minor modifications. I would like the groups advice on who to
> buy from and the best prices etc.
>
> While the engine runs fine except for a slightly lump idle (very
> slight) I need to change the plugs (type ? )
> and the wires are original (mfr & best price)
> I think these two are the main culprit for the lumpy idle. The car
> runs smooth and strong for a 525 of it's age.
>
> I would also like to add a K7N filter. Is it the same as the 535i
> filter? Where is the best and cheapest place to get one on the net?
>
> I would also like to change the chip in the ECU. I see there are a
> couple of choices. I really don't need a higher top speed or RPM, but
> I would like to improve the bottom end and cruising range performance
> some. Comments, or ideas here?
>
> Thanks for your input.
>
> Mark
>
>  Mark D. Tetrault * tetrault@domain.elided
>  http://www.mv.com/users/tetrault
>  Home of the RV-TEC FAQ
>  AA1OV @ WA1WOK.NH.NE.NOAM
>
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OE & OEM Parts for Mercedes, BMW & Porsche, 25% to 75% off Retail.
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