Our 2009 335D is dead, parked because of CBU. The dealer wanted $3100 to do the CBU cleanout before he would see if there were other problems. So I am working on it myself. Although I am not a novice mechanic -- we have lots of other cars, trucks, and power equipment -- I do not do this work everyday.
I a somewhat disillusioned with BMW USA. Our car has 63,000 miles and is dead until expensive fixes are applied. The dealer wants almost nothing to do with any of this, certainly did not discuss the problems during the warranty period, and is not all that helpful.
You can see the mess and progress at
http://ift.tt/1wc5sTZ
I have a few novel insights.
1) A standard clay carving tool is very useful when cleaning the low-speed ports. Check the photos.
2) A standard 12-point socket will fit over the 4 torx bolts on the crank.
3) The stepped shop vac adapter from HomeDepot can be used to fit either intake port.
4) The Ryobi endoscope/borescope from HomeDepot works pretty well in this application.
5) Absolutely clean and re-seal the red boost hose while you are in there.
Now for the questions.
1) Which way does the crank turn? The instructions all say to not turn it the wrong way but never mention which way is the right way. Clockwise or counterclockwise when viewed from the front?
2) Has anybody bothered to gasket match the head when the intake is off? I am in there, and the die grinder is close by. Is there any reason NOT to gasket match the head? I assume the head is A356 and will be easy to cut.
3) These cars, in the US, came with a special tax rebate for ultra high mileage and ultra low emission. Both the CBU and especially the leaky boost hose defeat the low emission/high mileage aspect of these cars. There is a sort of EPA-IRS tax fraud like action going on. Many many cars have been recalled for less. Has anybody pursued these issues on the political front?
I think this area is ripe for exploration, but if somebody else has already been down this road, tell me how it went.
4) Using the online manual tool, is there a way to download the whole thing?
Thanks.
I a somewhat disillusioned with BMW USA. Our car has 63,000 miles and is dead until expensive fixes are applied. The dealer wants almost nothing to do with any of this, certainly did not discuss the problems during the warranty period, and is not all that helpful.
You can see the mess and progress at
http://ift.tt/1wc5sTZ
I have a few novel insights.
1) A standard clay carving tool is very useful when cleaning the low-speed ports. Check the photos.
2) A standard 12-point socket will fit over the 4 torx bolts on the crank.
3) The stepped shop vac adapter from HomeDepot can be used to fit either intake port.
4) The Ryobi endoscope/borescope from HomeDepot works pretty well in this application.
5) Absolutely clean and re-seal the red boost hose while you are in there.
Now for the questions.
1) Which way does the crank turn? The instructions all say to not turn it the wrong way but never mention which way is the right way. Clockwise or counterclockwise when viewed from the front?
2) Has anybody bothered to gasket match the head when the intake is off? I am in there, and the die grinder is close by. Is there any reason NOT to gasket match the head? I assume the head is A356 and will be easy to cut.
3) These cars, in the US, came with a special tax rebate for ultra high mileage and ultra low emission. Both the CBU and especially the leaky boost hose defeat the low emission/high mileage aspect of these cars. There is a sort of EPA-IRS tax fraud like action going on. Many many cars have been recalled for less. Has anybody pursued these issues on the political front?
I think this area is ripe for exploration, but if somebody else has already been down this road, tell me how it went.
4) Using the online manual tool, is there a way to download the whole thing?
Thanks.
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