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My brother has a 1993 BMW 3-series (325 or 328?) in very nice condition, but it has a bad ABS controller. On this system, the ABS controller sends a signal to the ECU which retards the spark (reduces power) when it thinks that it needs to control wheel spin - a different way of providing Traction Control from our lovely similar-age SAABs which use an electronic throttle body for a similar function. The system disengages once the speed is above 43 mph and allows full power, car cruises fine on the interstate. A replacement ABS controller (custom chip, rebuilds are not available from the usual sources) is a $1300 dealer part, plus you have to pay a dealer $300+ to marry it to your car - and no guarantees that this will fix the issue. His dilemma: is it worth putting $1600+ into an otherwise fine car that isn't worth too much more than that (needs some other minor repairs too)?
My guess is that the ABS controller circuit board has a microcrack in a solder joint to the connector or a bad capacitor. This is indicative of how exceptionally minor electronic bugs will total otherwise fine cars.
posted by 74.93.67...
Posts in this Thread:
- philosophical about Euro ride and electronics, Jeff, Wed, 16 Dec 2009 04:58:04
- Re: philosophical about Euro ride and electronics, Dan K, Fri, 18 Dec 2009 17:07:49
- Interesting thought, but, Noel, Wed, 16 Dec 2009 09:48:33
- Re: Interesting thought, but, SWEDECAR , Thu, 17 Dec 2009 21:39:35
- I dunno, I'm always skeptical of that argument..., Craig, Thu, 17 Dec 2009 11:26:07
- more circuit boards, Jeff Laske, Thu, 17 Dec 2009 04:56:46
- Re: philosophical about Euro ride and electronics, AeroLady, Wed, 16 Dec 2009 08:43:49
- Re: philosophical about Euro ride and electronics, EGD , Wed, 16 Dec 2009 06:39:30
- Re: philosophical about Euro ride and electronics, Brian in MA, Wed, 16 Dec 2009 05:33:21
- Re: philosophical about Euro ride and electronics, DER, Wed, 16 Dec 2009 05:31:00
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