BMW Tech Tips, How-tos and News - Bavarian Autosport Blog » BMW 3 Series 77-83 – E21

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

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1992 BMW 325i – Convert To E85 To Gain Horsepower

Peter — Wed, 07 Jul 2010 19:33:51 +0000

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

Q A buddy of mine just converted his car over to E85 to gain horsepower. I thought about doing this with my 92 325i with the M50 engine. My concern is that if I decide to supercharge it instead of the engine

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BMW E21 323i Overheating

Otto — Fri, 18 Jun 2010 21:24:31 +0000

Q car year: 1979 car model: 323i I just bought a 1979 European 323i that is overheating. it has just a push fan on the radiator and I need to find out if it needs or is missing an engine fan. I brought up the question with the previous owner and this is what he said. “the early

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Does My BMW Need A New Clutch?

Otto — Mon, 07 Jun 2010 15:21:48 +0000

We receive a lot of questions regarding BMW clutches. The questions can come from a variety of symptoms that are being experienced, but they all come down to the base question of; “Am I going to have to replace my clutch?”. Let’s take a quick look at the most common symptoms and what each of

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BMW Clunk When Shifting – Hard To Get Into 1st

Otto — Fri, 04 Jun 2010 18:53:22 +0000

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

Q I have a e39 523i (140k miles) and I have a similar issue to that which is noted in your BLOG post on dual-mass flywheels. There is a shock or thump sound when pressing the clutch and changing gear. When depressing the

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2000 BMW 540i (& All Chassis / Models) – Dead Battery / Current Draw

Peter — Wed, 02 Jun 2010 19:15:47 +0000

Q I recently replaced my alternator and battery on my 540i, because my battery was constantly dying, however, the battery keeps on dying within 2 to 3 days, even when we drive the car on a daily basis.The shop that was fixing my car swear that the problem was a faulty heater control, which we

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BMW Sunroof Wind Deflector Install

Peter — Tue, 25 May 2010 17:41:43 +0000

Q Does the sunroof wind deflector require any drilling?

A The sunroof wind deflector does not require drilling. The clips engage in the perimeter framework of the sunroof opening. If, after checking the installation instructions, you have any questions please feel free to give us a call at 800-535-2002.

BMW Sunroof Wind Deflector Installation Instructions

BMW A/C (Air Conditioning) Faulty Compressor Clutch

Otto — Mon, 24 May 2010 15:45:01 +0000

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

Q car year: 1996 car model: 328i Please help, my air conditioner cools fine, but when the clutch pulls in it makes a grinding noise. Can the clutch be adjusted? I have had it vacumed down and refilled with freon and oil. If clutch cannot

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Rear Adjustable Camber Kit – BMW – Z3, 318ti, E30 & Others

Otto — Fri, 21 May 2010 20:28:21 +0000

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

Q 2000 Z3 rear camber adjustment part #192026 I have 2 questions about this rear camber kit: 1. How does it affect the track? 2. What is the camber adjustment range? I am considering this purchase for the purpose of increasing tire life.

A The rear camber bushing

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Proper Procedure For Cleaning And Oiling Your BMW Reusable Air Filter (aFe & K&N)

Peter — Fri, 21 May 2010 19:01:01 +0000

When you use a K&N or aFe lifetime air filter, it will be in need of cleaning and re-oiling after about a year of use, (sooner in heavy service or dirty conditions). The procedure is certainly not difficult, but it requires a little planning – you will need to have the filter out of the

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