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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 11-27-2013, 01:43 AM   #361
briangl92
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***The Official M56 SULEV Warranty Documents, Check-in, and Questions Thread***

Glad to hear you guys have had good experiences!!


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Old 11-28-2013, 10:37 AM   #362
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***The Official M56 SULEV Warranty Documents, Check-in, and Questions Thread***

My car was towed to the dealership yesterday. It wouldn't start. I'm sure it's a fuel issue. Seems like it bled off too much pressure after sitting for a day and a half. Also, trying to get the CCV/valve cover covered by the warranty.


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Old 11-29-2013, 04:06 PM   #363
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***The Official M56 SULEV Warranty Documents, Check-in, and Questions Thread***

So after an interesting few days, turns out it wasn't my fuel pump at all, but it was my fuel pump module. This is an M56 specific module that's located in the quarter panel above the battery. They have one on order from Stockton and hopefully I'll have the car back tomorrow.

On another note, they aren't willing to cover the CCV as it's not on the list of parts that was previously posted by another member. I'm considering disassembling it and seeing if it can be repaired. I think it may just be an o-ring on that black plastic cap that has failed. It's technically a non-serviceable part, though.


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Old 11-30-2013, 10:23 AM   #364
ElrichMeister
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Re: ***The Official M56 SULEV Warranty Documents, Check-in, and Questions Thread***

Quote:
Originally Posted by briangl92 View Post
So after an interesting few days, turns out it wasn't my fuel pump at all, but it was my fuel pump module. This is an M56 specific module that's located in the quarter panel above the battery. They have one on order from Stockton and hopefully I'll have the car back tomorrow.

On another note, they aren't willing to cover the CCV as it's not on the list of parts that was previously posted by another member. I'm considering disassembling it and seeing if it can be repaired. I think it may just be an o-ring on that black plastic cap that has failed. It's technically a non-serviceable part, though.


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Man that sucks on ccv, it should be covered since it's an m56 only part. I thought the valve cover contained the ccv components. Would replacing the valve cover fix your issues?

I think the module is called FKP or something like that, saw it on the list when scanning codes.


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Old 11-30-2013, 01:26 PM   #365
briangl92
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***The Official M56 SULEV Warranty Documents, Check-in, and Questions Thread***

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Man that sucks on ccv, it should be covered since it's an m56 only part. I thought the valve cover contained the ccv components. Would replacing the valve cover fix your issues?

I think the module is called FKP or something like that, saw it on the list when scanning codes.


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Yes, the CCV is in the top of the valve cover. It's technically a sealed part but I think I'll try popping the black cap and seeing if there's an o-ring that I can replace.

Yup, that's the one.


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Old 12-02-2013, 12:50 PM   #366
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M56 Pre Cat Sensors, Calif. Warranty?

Has anyone in Calif received a definitive answer as to whether the pre cat O2 sensors are covered by the extended emissions warranty? I am trying to decide whether to replace mine or to press the dealer to do so. Current mileage is around 87K.

I have posted a question in another thread. I don't want to cross-post, but using DIS, have found identical stored fault messages for bank 1 and bank 2. The message is: "Oxygen sensor before cat. conv. bank X - Heater coupling to signal path - Fault currently not present." ("X" is the bank number.) There are no other DME fault messages stored.

As noted in my other post, this is an intermittent problem that occurs only under certain conditions. I wonder whether "fault not currently present" will cause BMW to decline to replace the sensors.

Thanks for any comments, suggestions.
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Old 12-03-2013, 11:03 AM   #367
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If anyone has a lead on an M56 valve cover, let me know I don't care too much if it's cracked. Wanting it more to take apart the CCV.


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Originally Posted by la325i View Post
Has anyone in Calif received a definitive answer as to whether the pre cat O2 sensors are covered by the extended emissions warranty? I am trying to decide whether to replace mine or to press the dealer to do so. Current mileage is around 87K.

I have posted a question in another thread. I don't want to cross-post, but using DIS, have found identical stored fault messages for bank 1 and bank 2. The message is: "Oxygen sensor before cat. conv. bank X - Heater coupling to signal path - Fault currently not present." ("X" is the bank number.) There are no other DME fault messages stored.

As noted in my other post, this is an intermittent problem that occurs only under certain conditions. I wonder whether "fault not currently present" will cause BMW to decline to replace the sensors.

Thanks for any comments, suggestions.
There's a list of parts that are covered that the dealerships go off of. According to the list (which I just got last week), "Heated Oxygen Sensor, Monitoring" and "Heated Oxygen Sensor, Regulating" are covered. That being said, it would be kind of odd that both pre-cat O2 sensors heater circuits went out at the same time. There might be something else going on.

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Old 12-03-2013, 11:33 AM   #368
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***The Official M56 SULEV Warranty Documents, Check-in, and Questions Thread***

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Old 12-03-2013, 11:33 AM   #369
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Thanks.

Sometimes it is only one sensor. I suspect that it is something else that it triggering the error. I may see if BMW will check it out at no charge. It is odd that it only happens when going up a slightly extended grade. For those in California, some examples have included the road from highway 41 to Bass Lake; highway 46 between highway 1 and Paso Robles; and southbound I-5 over the grapevine.
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Old 12-03-2013, 01:03 PM   #370
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I have an 03' 325i SULEV. I've noticed a drop in MPG, shuddering when going up hills, taking longer to start after sitting for more than a couple of hours and the gas pumps shut down on me a lot way before the tank is full. I've even had it stall out on me 3 times with aggressive takeoffs right after filling the tank up. I'm thinking the issue is a failing fuel pump. I plan on taking I in to have it diagnosed. The only performance mod I have is a huge K&N air filter. I took out the whole OEM air box to get it to fit. I no longer have the air box. Do I need to buy a new one before I bring it in? Would they really deny a fuel tank claim because of an air filter? Got an SEL light yesterday for both pre cat o2 sensors.


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So I managed to get all my problems resolved at Reno BMW for $150. They replaced the charcoal filter first (free). Still had symptoms; mainly the gas pumps were still shutting off when my tank was only half full and would continue to "click" for the rest of the fill up, suggesting some sort of vacuum lock on my tank. They could not figure out what was causing this so they just replaced the whole fuel tank on my car for free. They were troubleshooting my car for over a week, so I got to drive a brand new X3 of their's for free for a week. The twin turbo on that thing is ill and now my wife wants the X5 M series. My O2 sensors were just replaced by me and the dealer could not get the pre cat O2 codes to go away. They suggested a software update that could fix the problem. It would have been free if I still had the stock air box but since I have a K&N cold air intake on it they said that could be the problem. I didn't want to haggle so I just paid the $150 for the update and it fixed the issue. Since it's winter I'm sure my secondair code will come back, so that's my next mission. My car is from California and now resides in Nevada. Bill Pierce Motors has been amazingly accommodating and has ran everything through BMWNA prior to doing repairs and they have approved everything so far. If your dealer is refusing to honor the warranty it's probably because they don't understand it and it's best to ask them to at least run it by BMWNA. It's easy money for them if the work is approved.
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Old 12-03-2013, 01:30 PM   #371
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Glad to hear that you got yours fixed.

I had my fuel tank replaced under warranty a few years ago because the fuel cap was difficult to get on or off. The dealer said that they tried a new cap but that this didn't work and that it was a problem with the filler pipe -- hence the new tank. Interestingly, I later had the same problem. This time, I tried the fuel cap from another car and that worked fine. So, I bought a new cap on-line -- figuring that the cost of the cap was worth my time in taking the car to the dealer for a warranty replacement, etc. No cap issues since then.

I note that someone suggested Crevier BMW as a place that is familiar with the M56 warranty issues. That is a reasonable distance for me and I may call the service person who was referenced in the post. In a couple weeks, I expect to be driving over some grades, so I will see if the problem recurs. I will check the sensor wiring before I go, just on the off chance that there is something there.

I have occasionally had the gas pump issues, but it seems to happen only at particular stations. It also happens at those stations with my wife's car, which is not a M56, so I think it is a gas pump problem.

The symptom I have is that on a longish grade, I will get some momentary "bucking" or roughness. Easing off the gas a bit cures it. Could possibly be a fuel starvation issue, but I also thought that an O2 sensor malfunction could be causing the wrong mixture to be sent to the engine.

Your comments were helpful. Thanks.
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Old 12-03-2013, 01:42 PM   #372
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Quote:
Originally Posted by la325i View Post
Glad to hear that you got yours fixed.

I had my fuel tank replaced under warranty a few years ago because the fuel cap was difficult to get on or off. The dealer said that they tried a new cap but that this didn't work and that it was a problem with the filler pipe -- hence the new tank. Interestingly, I later had the same problem. This time, I tried the fuel cap from another car and that worked fine. So, I bought a new cap on-line -- figuring that the cost of the cap was worth my time in taking the car to the dealer for a warranty replacement, etc. No cap issues since then.

I note that someone suggested Crevier BMW as a place that is familiar with the M56 warranty issues. That is a reasonable distance for me and I may call the service person who was referenced in the post. In a couple weeks, I expect to be driving over some grades, so I will see if the problem recurs. I will check the sensor wiring before I go, just on the off chance that there is something there.

I have occasionally had the gas pump issues, but it seems to happen only at particular stations. It also happens at those stations with my wife's car, which is not a M56, so I think it is a gas pump problem.

The symptom I have is that on a longish grade, I will get some momentary "bucking" or roughness. Easing off the gas a bit cures it. Could possibly be a fuel starvation issue, but I also thought that an O2 sensor malfunction could be causing the wrong mixture to be sent to the engine.

Your comments were helpful. Thanks.
Sounds like my story when my transmission was going out...although mine is more of an exception than the rule.
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Old 12-03-2013, 02:49 PM   #373
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M56 Problems

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Sounds like my story when my transmission was going out...although mine is more of an exception than the rule.
Fortunately, when I ran the DIS scan, no transmission errors showed up.
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Old 12-03-2013, 03:54 PM   #374
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***The Official M56 SULEV Warranty Documents, Check-in, and Questions Thread***

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Fortunately, when I ran the DIS scan, no transmission errors showed up.
Neither did mine, even when it was at 100% slip. That being said, there are a lot of other possibilities that mimic the problem.


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Old 12-03-2013, 04:43 PM   #375
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I am pretty sure that it isn't the transmission. It has been happening off and on for years and for probably 40K miles. I think that the transmission would have failed by now if that was the issue. Have to keep looking.
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Old 12-03-2013, 09:12 PM   #376
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Hard to believe the transmission wouldn't register a code. I had very minimal slip, so much that the average joe would never notice but it still registered a slip code. Had the transmission torque converter replaced a couple weeks ago and all is well.

I was the one that referenced Crevier BMW. Those guys over there are awesome. I've had nothing short of great service everytime.....maybe its because I visit them weekly for parts
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Old 12-03-2013, 09:28 PM   #377
la325i
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I was the one that referenced Crevier BMW. Those guys over there are awesome. I've had nothing short of great service everytime.....maybe its because I visit them weekly for parts
So Crevier is still good to deal with? I have seen some comments elsewhere about how things changed after they were sold.
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Old 12-03-2013, 09:55 PM   #378
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I've been dealing with them before and after they sold and service has remained the same but like I said, I'm in there often and have gotten to know them. I would still contact Gary Carrizosa in service to see if he can help you. If you contact him, let him know Justin Rupert referred you.
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Old 12-05-2013, 12:09 PM   #379
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Just to update, I had my fuel pump control module replaced and haven't had any issues since. It actually seems to be starting quicker in the mornings. Has anyone else ever had this module go out? I don't think I've heard of any other failures.

Big thanks to Tyler Lem at Stevens Creek BMW!
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Old 12-05-2013, 06:32 PM   #380
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I was just speaking with a guy that had his SUckLEV die at 146k miles... it's an 03' and after he spoke with both the dealer and BMWNA, he was told he had to tow it in to have them check it out, and it MAY NOT be covered... At first I was outraged for him, and figured BMW was using these techniques in hopes he would not bring the car in... then I later wondered if maybe they were covering their bases in case the problem was not SULEV related. Though I seem to recall him mentioning they said it would cost him $9,000 to replace it if it wasn't going to be covered by them...

Is there any case in which a car that has less than 150k miles, and 15 years has not been covered by BMW for warranty repair?
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