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About Don Berlan
(Top Expert on this page)

Expertise
ASE Master Mechanic for 25 years. Can help with all aspects of BMW repair. I especially enjoy driveablity problems, mechanical or electrical.

Experience
I have been an ASE Master Mechanic for 25 years.I have worked in many dealearships although BMW's are my favorite.I now have my own shop,specializing in BMW's.I have autocrossed and even gotten into mud running with my 4x4.(I am NOT a teacher and don't claim to know everything about the cars I never see.I hope to help you with your repairs and do expect some knowledge on your side.)

Education/Credentials
CMVTI, Auburn Maine

   

You are here:  Experts > Home/Garden > Auto Repair > BMW Repair

SubjectDate AskedExpert

520d '09 - air circulation problem11/24/2009Don Berlan
  Q: need help... periodically, smoke from the outside gets in to the car even if the air circulation ...
  A: I have to assume this is a diesel,being it is written as a 520d.The dealer is correct at some point ...
1987 e30 cabrio fuel guage11/23/2009Don Berlan
  Q: I recently bought a 87 e30 cabrio m3 replica. The previous owner replaced the cluster with a e30 m3 ...
  A: The fuel gauge in the early e30 does have a different number than a later one, due to the wiring ...
1990 BMW 325i11/21/2009Don Berlan
  Q: Fuel Pump fuse blows. I've installed a new fuel pump and relay. Vehicle will sit and idle fine ...
  A: That would be bad advice to put in a larger fuse. The system circuit maxes at 7 amps so 7.5 is the ...
Please Help11/20/2009Don Berlan
  Q: I have a 1989 BMW 535i I believe 6 cyl and my car won't idle. In the beginning when I stopped it ...
  A: Not knowing how many cylinders your car has tells me you shouldn't be under the hood.By adding the ...
idling issue11/19/2009Don Berlan
  Q: I have a 95yr 525 wagon.Whenever i turn on the A/C the egines cuts off unless you keep your foot ...
  A: Well it could be many things with the idle but I'm sure the idle control valve has something to do ...
BMW11/18/2009Don Berlan
  Q: Ok so my 1988 BMW 735i is giving me major problems. When I leave the battery connected over night it ...
  A: I think you need to have the battery checked first to make sure it is ready for the changing ...
1992 525i oil pan11/14/2009Don Berlan
  Q: I was wondering if it was possible to drop the oil pan on this 92 525i without having to remove ...
  A: I'm not sure which engine you have but the flat rate time(book time) is only about 4.6 hours.To me ...
Emergency Parking Brake Doesn't Work11/13/2009Don Berlan
  Q: I have a BMW 323i and my emergency parking brake doesn't work, when you pull the handle up, the car ...
  A: It sounds like your looking for an answer that your making hard to diagnose.If you have posi in the ...
Emergency Parking Brake Doesn't Work11/12/2009Don Berlan
  Q: I have a BMW 323i and my emergency parking brake doesn't work, when you pull the handle up, the car ...
  A: The emergency brake has shoes which are located under the rear rotors.Your first step is to remove ...
o2 sensor replaced twice11/11/2009Don Berlan
  Q: 98 BMW 318I The O2 sensors were replaced twice by mechanics professionally. Check engine light is ...
  A: I gather the only code that was recorded was that of a weak O2 sensor.The problem although the code ...
Heat and AC issues11/10/2009Don Berlan
  Q: My blower moter has not worked for a long time but cold air (ac) and heat would still come out of ...
  A: The cold and hot air that you felt was just the heat/air that was passing through the heater ...
Power steering pump.11/6/2009Don Berlan
  Q: Have a 2000 BMW 323CI series M52 engine. The car is hard to turn at low speed or when cornering or ...
  A: This seems to be the repair of the week.I actually am working on the same problem in my shop.The ...
seat problem11/5/2009Don Berlan
  Q: I have a 325I BMW and I'm trying to find out how to get the chair unstuck because it's stuck on a ...
  A: Unfortunately there isn't an easy fix. What you'll have to do is remove the seat from the car and ...
No heat10/27/2009Don Berlan
  Q: Don My car is 2002 325i, heat run fine but no heat after replaced Blower Resistor, what cost this ...
  A: I am not sure what you mean.No heat or it doesn't blow heat.Most times when you replace the resistor ...
tie rods bent?10/21/2009Don Berlan
  Q: Don, I have a 2006 325XI...at 40k miles tires were wearing unevenly in the front, both sides. I ...
  A: Well I really think there are a couple of issues here.The first is tire rotation which should be at ...
Can't unlock any door but the driver's10/17/2009Don Berlan
  Q: I've recently bought a 328i SE e46 1999 and I have an intermittent problem that prevents me from ...
  A: You may have to remove the door panels and lube all the points that pivot.Oxidation has probably ...
No Compression10/10/2009Don Berlan
  Q: Bought a 1991 E34 M5 with S38 engine. It sat up for almost a year due to a deer hit. Replaced ...
  A: Having reread your question I would say the head does have to come off and check the valves in #5. I ...
sparkplug cap removal10/7/2009Don Berlan
  Q: How do i remove and renew a sparkplug cap on the sparkplug lead of a BMW 316i 1995? I can feel that ...
  A: This is where I find the difference in European and US BMW's.The 316i wasn't a US shipped car so I ...
Replace brake rotors... No pads10/1/2009Don Berlan
  Q: I have a BMW 650 and want to change the front rotors. The pads were replaced by a mechinca a few ...
  A: One thing that is important is to make sure both front and rear rotors are flat.Many times even with ...
528i9/25/2009Don Berlan
  Q: i have a 97 528i.when i try to start it i get no response from the starter, also the tilt ...
  A: Check the connections at the starter and the battery.The block grounds and the body grounds should ...
96 328i 4dr sedan hesitating on acceleration9/23/2009Don Berlan
  Q: I've been waiting days to post questions. I have 96 328i, 130k, I puchased used from private party 2 ...
  A: If there is need of replacement(sounds like it is broken)it should be replaced.I am not sure which ...
96 328i 4dr sedan hesitating on acceleration9/21/2009Don Berlan
  Q: I've been waiting days to post questions. I have 96 328i, 130k, I puchased used from private party 2 ...
  A: Well being a 1996 model,cars starting that year is equipped with OBDII.If you can have your systems ...
Coolant temperature sensor location.9/18/2009Don Berlan
  Q: I was told the coolant temperature sensor is on the intake side by #6 cylinder. I also have a sensor ...
  A: I am not sure why you need to replace the sensor.The sensor in the lower radiator hose is the ...
Trunk open/seat fold 330i9/17/2009Don Berlan
  Q: Does 2003 330i come with folding rear seat? or it's an option? How do i know i can fold my rear seat ...
  A: I don't believe it does,your car must only be electrically locked.If it was deadbolted you would ...
Break pad wear sensor.9/16/2009Don Berlan
  Q: I have to change the break pad wear sensor wire in the rear. The indicator warning lamp is staying ...
  A: The indicator is for minimum pad thickness.Although there are many times when the light seems to ...
BMW 325i A/C Clutch not working9/15/2009Don Berlan
  Q: Our 1992 325i's A/C is not working. What i know is that the compressor clutch does not engage when ...
  A: By the fuse blowing it means there is an excessive current draw on that circuit.Being that the ...
driveshaft mounting bushing9/8/2009Don Berlan
  Q: how do i replace the driveshaft mounting bracket bushing as my 1984 bmw 528e has a very loud ...
  A: You first need to remove the exhaust,the exhaust shield then you can see the driveshaft.The center ...
Engine Loping/Surging9/5/2009Don Berlan
  Q: Just bought a 1983 528e with a manual transmission and 197,000 miles. The car had been sitting for ...
  A: Well it is running that is a good sign.I don't know what you put for plugs in but the Bosch number ...
CHECK ENGINE LIGHT ON IN 1999 540I 4.4L V89/3/2009Don Berlan
  Q: MY YELLOW CHECK ENGINE LIGHT HAS CAME ON..I'VE RAN A DIAGNOSTICS AND IT GAVE FAULT CODES OF BANK 1 ...
  A: Well you had the codes but I believe you changed the wrong sensors.The post cat sensors do not ...
DashBoard Lights &Etc9/2/2009Don Berlan
  Q: I Have a BMW 730i 1986 Model E Reg. Whilst driving yesterday the dashboard lights where the ...
  A: It is not often I get to hear of older "7"'s. I personally like them the most,I have a 1984 733i and ...
BMW water leak8/28/2009Don Berlan
  Q: My BMW has water accumulating in the rear floors during a steady rain. It does not seem wet around ...
  A: Wow honestly if I knew where they came in I would have all mine fixed.I have many and they all seem ...
83' BMW 533i8/25/2009Don Berlan
  Q: The speedometer in my 533i doesn't work and I was wondering what could be the cause and perhaps how ...
  A: Sorry it took me so long to get to you been busy here.Your speedometer is probably in need of a ...
Misfire after head gasket change8/15/2009Don Berlan
  Q: I recently changed a head gasket on my M52 328i as well as seals on Vanos, "Beisan" but following ...
  A: Sorry for the delay.I think what you should do is start from the beginning and check the ...
over heating8/14/2009Don Berlan
  Q: I have a 94 325i. It over heats even after I replaced the thermostat. if there is a small leak in ...
  A: Probably not.You should check to make sure you coolant fans,electric and clutch are working ...
318 BMW ti - 70k miles8/12/2009Don Berlan
  Q: Don, P0442 - Engine code. The gas cap was replaced several times. I've been reading on the ...
  A: Your reading was correct it could be a leak there,purge solenoid or the vent solenoid.Searching for ...
bmw 316i 19988/2/2009Don Berlan
  Q: ) could you tell me what this is please its a 1998 bmw316i cheers
  A: I believe the light that is coming on deals with Automatic skid control.I'm not sure where you are ...
MAF sensor8/1/2009Don Berlan
  Q: Want to clean the MAF sensor on a 2000 BMW 232CI M52 engine. Bought CRC Mass air flow sensor ...
  A: I would have to say yes.As long as it is not a carb cleaner.Crc brake clean does work well,by using ...
1987 325e Alternator7/30/2009Don Berlan
  Q: Hey Don, I just replaced the alternator on my 325e. The Battery is fully charged. I did something ...
  A: Why would you pull the battery positive wire off?The car needs a battery to charge,by pulling the ...
1984 BMW 318i7/28/2009Don Berlan
  Q: I just installed a new fuel pump and there is a loud vibration noise coming from the fuel feed line. ...
  A: Your question is hard to understand.If the fuel pump is loud it is working but the fuel filter may ...
Codes.7/27/2009Don Berlan
  Q: Have a 2000 BMW 323Ci series with a M52 engine. The problem that I have is when you start the car it ...
  A: What I think you should do first is ispect for ANY oil leaks that you might have in the engine.Also ...

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