Chip Questions. (1985 325E)
I stumbled upon these forums on a random google search. As you can probably tell from the title I own a 1985 325E in great condition. It has under 100,000 miles and the brakes, clutch, wheels and tires have all been replaced within the past few months.
I am not a car person by nature, but am interested in learning more. Through my searches I have found these ECU chips and was wondering if it was worth it to buy one, what problems can happen with one, etc.
My main questions are:
1. Am I limited to Turner Motorsport if I want a quality chip?
2. Is it possible to solder both chips in and switch between them with a low voltage toggle switch?
3. Is switching to 93 octance gasoline necessary? What happens if I dont?
4. Do I need a new intake/exhaust/etc to take advantage of these chips?
5. A friend of mine has suggested that I replace my current suspension (stock) with a lowering one, is this a good idea?
My apologies if E-bay links are not allowed on this forum.
6. I see some chips on ebay. These look to be copies of legit ones as the EEPROM's cannot cost more than $5 or so and the burner would only be around $150. Would these be worth it?
No Idea What Brand
1. turner motorsport chips are excellent chips. i have had excellent results with one in a 325e as well as a 325i.
2. don't know, but there isn't a lot of extra room in the ecu, i suppose you would have to put the 2nd chip outside of the ecu.
3. if available, otherwise use the highest octane available in your area. you could get pinging and detonation using low octane.
6. to the best of my knowledge, ac schnitzer has never made a chip. with ebay chips you can't be sure what you are getting or who did the programming. i wouldn't recommend them.
Could I switch back and forth? I dont mind buying a tank of Supreme once in awhile, but I would like to have a pocketbook left. Would it be possible to fill up with 93 octane gas, get down to a bout a quarter tank, switch ECU chips and go back to another one?
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