BMW Tech Tips, How-tos and News - Bavarian Autosport Blog » E46

BMW M54 6-cylinder Crankcase Ventilation (PCV) DIY – 325i 328i 330i 525i 530i X5 & Others

Otto — Thu, 22 Jul 2010 13:20:18 +0000

The Crankcase Ventilation System (also known as PCV, or Positive Crankcase Ventilation) on the BMW M54 6-cylinder engines consists of a number of ventilation hoses, an oil separator and check valve and an oil drain-back hose. The system is well known to have problems with vacuum leaks due to hose and valve deterioration and cracking, as

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BMW Plain Talk Bluetooth Hands Free Phone Kit – E46

Otto — Wed, 21 Jul 2010 20:52:55 +0000

Q I would like to purchase the “Parrot’s CK3200 Bluetooth controller with LCD display, caller ID” but I’m concerned that I will not be able to find the phone connector’s in the car “02 BMW 325xi” required to connect the parrot. Could you PLEASE direct me on where to look for it and maybe if you have

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2000 E46 BMW 328ci Rough Idle & Stiff Door Handle

Peter — Tue, 20 Jul 2010 20:39:22 +0000

Q My name is Mike, I own a 2000 BMW 328ci my problem is that when ever my engine is cold it idles rough ie. rpms drop then rev up. I have brought this problem to BMW and they replaced my cold air idle control to the tune of a couple of hundred dollars. This

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1999 BMW 323i E46 Various Electrical Issues (Trunk Will Not Open)

Peter — Tue, 20 Jul 2010 14:18:31 +0000

Q Our BMW has been having various electrical issues. Now we have a problem that really hurts: the trunk appears open on the dash warning indicator and consequently the latch will not disengage. The trunk release button does nothing when you push it and the key fob button is inoperable also. Once in a while

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2004 BMW 325 CI E46 Angel Eye Lights – Removing Headlight Lens

Peter — Mon, 19 Jul 2010 17:05:33 +0000

Q Just purchased the Angel Eyes lights for my 2004 325 CI. I need to know how to remove the head light cover in my car, my car has one long piece.

A The later model E46 2-door headlights have the lenses glued to the headlight housing, in addition to the clips around the perimeter. You

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BMW M3 E46 Differential Swap – Any Problems?

Peter — Mon, 19 Jul 2010 17:00:34 +0000

Q Hey Ive got an E46 M3 with a shot rear diff., I can’t afford to replace the original 3.63 LSD M differential. So I am putting a diff from an E46 325i in it. Would that mess with the ECU or any of the computer systems do to the change in ratios?

A You should

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2002 BMW 330i E46 ABS And Traction Control Lights/System

Peter — Mon, 19 Jul 2010 16:12:35 +0000

Q After getting my BMW out of the Ice (spinning tires) after a snow storm, The DSC warning light along with a Yellow Brake Warning lamp stays on. It will not turn off by pressing the button. Car seems to handle and drive fine. How do I get the lights to reset or turn off?

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BMW Rough Running & Stalling – M54 – Camshaft Sensor & MAF Cleaning

Otto — Fri, 09 Jul 2010 20:30:12 +0000

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

Q car year: 2002 car model: 325i Hello, I have the Bav-auto Fault Code Reader and reset tool. I have fault codes 08 and 41. The camshaft sensor is on order but the mass air flow sensor only came on after cleaning my K &

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BMW E46 Blower Resistor / Final Stage Unit

Otto — Fri, 09 Jul 2010 17:52:31 +0000

Q car year: 2003 car model: 325Ci Convertible Yesterday, I noticed my A/C took a few minutes to kick on. Later that afternoon, the blower turned off on it’s own for 15 minutes, then restarted. Today it would turn off and on with a mind of it’s own even though the control panel showed it on auto at

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BMW E46 Lower Radiator Hose Leak at Temperature Sensor – M54 – E39 X5 X3 Z4 Z3

Peter — Wed, 07 Jul 2010 19:30:14 +0000

Q Replaced a bunch of parts, one is the lower radiator hose when doing a belt replacenment. It is leaking at the sensor connector. Replaced the sensor and it is still leaking with new. Here is a reply from Mike at BMW CCA. Do you have some additional recommends? “The new style hoses have a

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