These are from technical specification drawings for stock E30 springs straight from BMW Germany. The spring forces and lengths were from BMW Germany, while I calculated the spring rates to accurately compare the springs per inch of travel. Only looking at spring force does not allow you to compare springs because it only signifies the force...
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        1988 E30 M3 Electrical Schematics 1987 E30 M3 Electrical Schematics 1990 E30 IX Electrical Schematics 1989 E30 IX Electrical Schematics 1988 E30 IX Electrical Schematics 1992 E30 Convertible Electrical Schematics 1990 E30 Convertible Electrical Schematics 1989 E30 Convertible Electrical Schematics 1988 E30 Convertible Electrical Schematics 1992 E30 Electrical Schematics 1991...
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      Engine Torque Specs: Camshaft chain tensioner rail Securing nut……………………………………………………………………….35 ± 5 Nm (26 ± 4 ft. lb.) Camshaft drive belt tensioner to engine (Bolts)………………………………………………………………………….…………..22 ± 2 Nm (16 ± 1 ft. lb.) Camshaft oil carrier to cylinder head M6 bolts …………………………………………………………………………..…….9 ± 1 Nm (80 ± 9 in.lb.) M8 bolts………………………………………………………………………………22 ±...
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A rear wheel bearing job, dependent on which tools you have can either be a fairly painless job, or rather difficult. What you will need to make it easy is: Basic range of wrenches Plenty of 3/8 extensions Socket set with ratchets Hex Key Bit Socket Set or Torx key bit socket set (depending on...
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If you have ever tried to find anti theft options for your car you probably know that you basically have two options: One time payment transmitter based systems such as Lojack – old style system, pre GPS and pre modern cellular network technology. These systems depend on the supplier to hide a transmitter in...
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What do stone chip rust spots, industrial fallout in your paint and brake dust have in common? Iron. In the last 10 years there has been an introduction of Thioglycolic acid or “Fallout removers” introduced in the automotive market. The existence and use of Thioglycolic acid isn’t new; foundries used it as far back...
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*If you have .bin files for chips or XDF files for these ECU’s please email them to me at admin@rtsauto.com and I will upload them to this page as a resource for others.* Bosch Motronic 1.3, 1.1, 1.0, 1.7 are the primary ECU’s that power all E30’s. 1.3, 1.1, 1.0 for M20’s (6 cylinders)...
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Recharging your own Air conditioning system is one of those things that seems difficult, but really is rather simple as long as you have all the correct tools and follow the correct steps. I will as in depth as I can describe how to properly pull a vacuum on your car, how to check...
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The auxiliary fan resistor is in need of replacement when the auxiliary fan does not operate at low speed. The aux fan should activate: When the AC is on (by way of selecting the AC button in the interior) When the radiator coolant temperature sensor reaches sufficient temperature to trigger the aux fan To...
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The used car market in north america is a very saturated market and therefore heavily standardized. Below is some information that will make you a better informed buyer:   Where do original and used car dealerships get their cars from? Used car dealerships leverage either of two systems: Buying cars from dealership auctions  The...
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