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Old 11-04-2004, 07:20 PM   #1
givemeanE36
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newb w/E30 (questions)

What gas do you guys put in your E30s? I've had the car for about a week and have been running 91 octane only...is it necessary? Also seems as if i am getting really crappy fuel economy as well...i only get 400km/tank!!!

Also what brand oil do you guys use, what kind of filters and what is a good store/shop to buy all my parts. I do my own labour so i am simply looking for quality parts at a reasonable price.

Currently in need of front rotors/brake pads, oem shifter bushings, one fog light, etc.

The car is a 1990 325I coupe.

Have any of you ever heard of Bavarian Motorsports, i believe that's the name (woodbine/hwy7) just south of 7. Are they any good for parts/help?
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Old 11-04-2004, 09:45 PM   #2
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meh no need to run such a high octane on a stock e30, hell i run 87 with a chip, but dont quote me on that, and as for oil i havent had my car for long to see wat it runs better on "motor oil or synthetic" lol j/k, i use 10w30 mobil1, with a quakerstate oilfilter for just 3 weeks then im doing another oil change, and were in the same boat with the front rotors, but i might as well change the pads too, anyways good luck on the e30 fun cars till u break somting
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Old 11-05-2004, 02:30 PM   #3
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87 octane is fine with a stock chip, and I get around 500-600km per tank.

I use Quaker State (for no real reason), 20W-50 in the summer and 10W-40 in the winter. The manual states the correct viscosities, read up on it. Use the original BMW oil filter, they are cheap.

For all maintenance and parts speak to Charlie. He goes by the screenname Bimmersport on here, he's the expert mechanic for a lot of us. He also gets parts at excellent prices compared to anyone else, talk to him. 416-949-5701
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Old 11-05-2004, 02:37 PM   #4
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87 octane is fine with a stock chip. Most performance chips require 91+ octane. As far as your fuel consumption...depending on if you drive city or highway, you'll get varying consumption ratios. 400 kms/tank is not that bad really. You probably drive in heavier traffic areas and/or you love the feeling of winding up your Bimmer...I know I do.
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Old 11-06-2004, 12:52 PM   #5
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I only get 350km per tank, but that's pure city driving. It's 15km return trip to school, so it lasts two weeks. Highway driving gets closer to 5-600 km/tank. Don't worry, this isn't a honda 4 banger for efficiency, and it sure as hell isn't as wimpy.
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Old 11-07-2004, 01:21 AM   #6
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OEM filters are the way to go. Sometime you can find a lot on ebay for dirt cheap... like 5 for $10. 10w-30 is all you need... as for a mechanic, bavarian motorsports is a bit pricey and there customer service sucks. Lakeside is where i go for parts or that odd thing i can't fix on the driveway. Ask for mike 416-267-4641. And always remember... with an e30, Standards wreckers can be your best friend. There is a place in north york, i think? (weston and steeles area) that deals strictly old Beemers. They don't really seem to know much about the car other than how to strip it down, but they have absoloutly everything.
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Old 11-07-2004, 09:43 PM   #7
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10W-30 should not be in ANY M20B25 running in the summer.
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Old 11-09-2004, 08:19 PM   #8
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20W-50 for the summer.
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Old 11-09-2004, 08:22 PM   #9
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Quote:
Originally Posted by Mystikal
10W-30 should not be in ANY M20B25 running in the summer.
Yep the $tealer suggests 20W50 for the e30 even with the 2.7L in the summer.....Pretty thick viscousity.........
I used castrol GTX 20w50 in my e30 in the summer, and 10w40 in the winter.
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Old 11-09-2004, 11:23 PM   #10
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Quote:
Originally Posted by BMW_M52_M20
Yep the $tealer suggests 20W50 for the e30 even with the 2.7L in the summer.....Pretty thick viscousity.........
I used castrol GTX 20w50 in my e30 in the summer, and 10w40 in the winter.
same with me exactly
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Old 11-09-2004, 11:40 PM   #11
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I onlt put 10W30 in during the winter, as stated 20W50 is the way to go for summer.
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Old 11-10-2004, 12:35 AM   #12
everlast
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Really... ugh.. i just put in 5w30 for the winter. Suggestions?
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Old 11-10-2004, 04:30 AM   #13
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Quote:
Originally Posted by Mystikal
10W-30 should not be in ANY M20B25 running in the summer.

Why?
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Old 11-10-2004, 02:45 PM   #14
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Quote:
Originally Posted by everlast
Really... ugh.. i just put in 5w30 for the winter. Suggestions?
5W-30 may even be better because it's a leaner grade. If you check the owner's manual, there's a chart which provides the correct grades depending on the weather. Me living in Thunder Bay, I use 5W-30...with a block heater..hehe.
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Old 11-10-2004, 06:32 PM   #15
BS87
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Quote:
Originally Posted by 1234
Why?
Too "Thin" is the general concensus. You can use heavy weight oil in the summer because of the warmer temperatures.
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