BMW Tech Tips, How-tos and News - Bavarian Autosport Blog » E30

BMW E30 325i / 325e / 318i Wheels (Rims)

Otto — Tue, 20 Jul 2010 21:17:08 +0000

Q car year: 1991 car model: 318is I have been trying to buy rims, but am having a hard time finding some that fit. I wanted to know if some of the other wheels can fit my 318is?

A Any wheels that are for the E30 chassis (3-series 84-91) will fit your 318is, except M3 and the 325ix. In

Continue reading BMW E30 325i / 325e / 318i Wheels (Rims)

1990 BMW 325is E30 M20 Stumbles During Acceleration

Peter — Tue, 20 Jul 2010 14:38:27 +0000

Q I recently begun having trouble when I accelerate in my 1990 325is. It stumbles during acceleration at speeds up to about 65 mph. I just replaced the oxygen sensor and fuel filter this weekend. The old sensor had about 51,000 miles on it. The spark plugs, distributor cap and rotor button only about 13,000.

Continue reading 1990 BMW 325is E30 M20 Stumbles During Acceleration

BMW Cloudy / Dull Metal Bumpers

Otto — Wed, 07 Jul 2010 21:35:34 +0000

This answer is applicable for many BMWs in addition to the one listed below.

Q I have a 1990 325 convertible. The metal trim on the bumpers and doors is cloudy. What kind of metal is this and what is the best way to restore it’s shine?

A The bumpers on your 325i are aluminum, but they have

Continue reading BMW Cloudy / Dull Metal Bumpers

BMW E30 M20 325e / 325i Air Filter Removal & Replacement

Otto — Thu, 01 Jul 2010 19:42:48 +0000

Q car year: 1988 car model: 325e How do you change the air filter? I think I know where it is, but it seems impossible to get to without having to remove parts… I don’t know, please help.

A On most earlier model BMWs, the air filter box must be removed in order to access the air filter that

Continue reading BMW E30 M20 325e / 325i Air Filter Removal & Replacement

BMW 6-cyl & V12 Motronic Distributor Cap Removal – M20, M30 – E30, E23, E24, E28, E34, E32, E31

Otto — Tue, 29 Jun 2010 15:34:25 +0000

This answer is applicable for many BMWs in addition to the one listed below.

Q car year: 1987 car model: 325e Otto, I have checked the area around the Cap, not much room to work, I want to take the Cap off and examine the Cap, Rotor. What is the release mechanism for the Dist. Cap? I saw bolts

Continue reading BMW 6-cyl & V12 Motronic Distributor Cap Removal – M20, M30 – E30, E23, E24, E28, E34, E32, E31

BMW E30 Broken Heater & A/C Blower Motor Fan

Otto — Tue, 29 Jun 2010 13:45:16 +0000

Q car year: 1987 car model: 325es I recently replaced the resistor on the blower motor and it solved the problem of only running on high speed, however it was making a noise as if the fan was hitting something when i replaced the resistor I noticed that the outer ring on the right side fan blades was

Continue reading BMW E30 Broken Heater & A/C Blower Motor Fan

1986 BMW 535i ABS Light & Pulsating Pedal – E23, E24, E28, E30

Peter — Fri, 25 Jun 2010 20:37:58 +0000

This answer is applicable for many BMWs in addition to the one listed below.

Q I have an 86 535i. The ABS light comes on a minute or so after driving. When applying brakes, it sometimes feels very ’squirrely’, it smooths out eventually. It started after my right front strut tower broke (rusted out). I got

Continue reading 1986 BMW 535i ABS Light & Pulsating Pedal – E23, E24, E28, E30

1986 BMW 325e – No Start When Humid or Rain

Peter — Fri, 25 Jun 2010 19:32:55 +0000

Q I have a 1986 325… without an I or an E on the end! I live in s. fl. The problem is when it’s 99% humidity Or rains I have hard time starting my car. The coil protective rubber seal seems to be fine! The connections to battery in trunk are dry. Could it

Continue reading 1986 BMW 325e – No Start When Humid or Rain

BMW Oil Viscosity & Auto Transmission Filter & Fluid

Otto — Fri, 25 Jun 2010 18:22:21 +0000

This answer is applicable for many BMWs in addition to the one listed below.

Q car year: 2001 car model: Z3 2.5 Our Z3 2.5 2001 with auto trans is soon coming up on 100k. Which synthetic engine oil viscosity, for the San Francisco CA area, should we use? Avg temp=62 degrees with no snow.

A We would recommend a

Continue reading BMW Oil Viscosity & Auto Transmission Filter & Fluid

BMW E30 Overheating & Bleeding

Otto — Fri, 18 Jun 2010 20:54:23 +0000

Q car year: 1989 car model: 325i This one seems to overheat to a boil, even after a decent bleed. There doesn’t seem to be water flow through the radiator. The water pump has been replaced and the radiator seems to be relatively clean (did a thorough vinegar soak). Also, a small tapered shaft “appeared” left over after

Continue reading BMW E30 Overheating & Bleeding