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Bavarian Performance Group

Winchester, MA

Owner: John Mariani


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Questions & Answers | Problem Reports | Reviews | Comments

Question Answered: 

You need to have it looked at by a trained professional. There are too many potential causes and side effects of such an issues to try and diagnosing it without a proper fault scan and visual inspection. The only obvious thing you can check for is that the belt is still on the side of the engine.


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Question Answered: 

Hi Bob, Rear CV boot failure, while it does happen is not very common. However on all wheel drive BMWs we see a lot of front outer CV boot failures in New England. The combination of harsh winter conditions and the constent articulation of the outer boot causes them to fail. Because they also have to turn the front shafts, the fronts tend to bind and fail more when there is a CV boot tear. If the front boot was intact when you brought the car in to have the rear axles repaired they were most likely in perfect working condition. When the front boots tear, you have very little time to have them replaced because the axle joint will fail due to sand and grit making there way in between the ball bearings. One option the dealer never offers is just replacing the CV joint which can be done for much less expensce. The reason why is it takes them more time and they make less money on the part as it's less expensive. They would rather just remove the old axle, slam a new one home in 60 minutes and charge you $1,500 insted of taking the time to rebuild the old one. Once the repair is made, either CV joint or new axle the car is perfectly safe. As it is a very common problem on almost all AWD cars. The only thing that helps with this is making sure to clean the underside of your BMW. I tell my wife once a week in the winter to visit the car wash.


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Question Answered: 

Only use BMW transmission fluid in your transmission. You're better off not changing it then going with something not designed for the transmission. You will destroy it if you do. If you are doing it because of a repair then I'd recommend trying to get Total ATX automatic transmission fluid or Total II D. Do not put engine oil in it.


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Question Answered: 

Once they clear the code, assuming they fix the problem, their is no way to find out what went wrong unless they tell you. The possible problems are not worth considering, making sure they are honest with you is. Ask them for a service record showing you what was replaced or repaired on the car so you can maintain a proper service/repair history.


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Question Answered: 

If your car was optioned with ABS the switch will be located on the panel of switches at the head of the center console below the climate control.


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Question Answered: 

Climate control panel.


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Question Answered: 

Depends on the type of headlight. Does the car have xeons?


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Question Answered: 

You will want to check your power steering fluid. If it is at all low it can make a very loud groaning noise when turning the steering wheel. PS fluid expands with heat so it will be more of an issue when cold. It could also be several other things. This is very difficult to answer without hearing it in person as cars can make a lot of different humming type noises.


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Question Answered: 

Depends on total mileage and what's been done in the past. Might be time for gearbox fluid change, differential fluid change, engine air filter, cabin air filter, another oil change, etc. We can tell a lot by looking at the condition of these things but a good service history help depending on year and model of the BMW. If its a newer CBS car, it knows what it wants, you just need to know how to ask it.


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Question Answered: 

Sounds like they are trying to sell you a relay, in which case it goes in your fuse box. The relay controls central locking and hazards. If you look at the inside lid of the fuse box it will list the relays..


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