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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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Old 06-02-2005, 07:40 PM   #1 (permalink)
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Just thought to ask, as I get together my list of things to fix. Ever since I bought the car, the fuel injectors make a "clack" sound. Makes the car sound pretty cool, to be honest, but its much louder than any other car I've seen. On occasion, after running her real hard and coming to a quick stop, I've smelt gas. It goes after awhile, but its persistant.

Would this be fuel injector wear-out time? And how much does it cost to install new ones?
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Old 06-03-2005, 11:51 AM   #2 (permalink)
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Quote:
Originally posted by offabroadway@Jun 2 2005, 04:40 PM
Just thought to ask, as I get together my list of things to fix. Ever since I bought the car, the fuel injectors make a "clack" sound. Makes the car sound pretty cool, to be honest, but its much louder than any other car I've seen. On occasion, after running her real hard and coming to a quick stop, I've smelt gas. It goes after awhile, but its persistant.

Would this be fuel injector wear-out time? And how much does it cost to install new ones?
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sure that clack isnt your valvetrain?

fuel injectors most certainly do wear out. they fail in various ways. i just replaced mine about a week ago.

the the labor yourself, its easy.. takes about 30-60 minutes depending on how much you can figure out, how quickly.

if your car is an i, you can file down these two little pieces on the valve cover in order to make removing the fuel rail easier. once you are under there looking at it, you'll know what im talking about.

look for high impedence 19# ford injectors on ebay. cheaper then bmw parts, and they are bosch oem pieces. after a few hours of running and idling the ecu will relearn the new injectors without changing anything. took about a week before my ecu fully relearned the 24#'s that i put in, and it still isnt perfect(still running too rich)

but 19#'s on a N/A motor are perfect. allow the motor to pull to redline better then the stock 14.6#'s

price varies ALOT.. anywhere for $40-140 for a used set of 8.. around $200-240 for new.
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