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-   -   2007 550i 104k miles....major oil/coolant leaks (http://www.bimmerfest.com/forums/showthread.php?t=669383)

SpartanGA 01-11-2013 08:41 AM

2007 550i 104k miles....major oil/coolant leaks
 
Darn it!! Almost sold this car at 97k miles but the deal fell through. So decided to keep it past the CPO warranty and run it a long time.

so what happens? oil leak evidence on garage floor at 104k miles.

Great local Indy shop finds not only the two front covers leaking (very typical, says they go from 103 to 107k miles...wish I knew that), but a couple coolant leaks. The worse is the valley pan gasket...yes UNDER the intake manifold.

In addition, the alternative bracket may be leaking...not sure until he fixes everything else, cleans it up and lets it idle for an hour to see if more oil shows up.

Says the colder weather also helps initiate these leaks.

Straight up guy. Most of the estimated $3000 cost is labor.

The only good news is these will last another 100k miles....so I am definitely keeping this car.

I asked what else fails in these cars...and said the transmissions can be iffy. They either last forever or they crap the bed where one morning they just wont go. Praying for the last forever tranny.

Crap.

Anyone else have this engine with this many miles? A 6-series had the same issues...same leaks last week at this shop.

etnav382 01-11-2013 08:58 AM

The 5 and 6 series share the same engine so it makes sense that they would have the same issues. My car is going to be going in to get valve cover gasket, mechatronics sleeve, active swaybar leak and brake vacuum pump leak fixed soon. I dont want to but I'll be going to the dealer since they offer replacment part warranty. I'll be moving across the country in a year and would like having piece of mind/go yell at a local dealer in case something breaks shortly after. Oh BTW mines is at 97K and I've been expecting these issues for awhile now.

jsimon7777 01-11-2013 09:25 AM

Considering it's a 60k+ car, paying 3000 at 100k miles for repairs is not to be unexpected. I keep looking at the Scion FR-S. Then I get into the 550i, turn on the seat heater and steering wheel heater, listen to the nice stereo, feel the comfy seat, and enjoy the steering/suspension. Truly, the E60 is an amazing car, and the 550i is the best of the breed.

SpartanGA 01-11-2013 10:01 AM

I have to agree. I did just spend $700 on new front thrust bushings (another common issue). but for piece of mind and longevity. I just wish the car was paid off! Another year and no car payment will make this feel much more worthwhile.

sliu 03-10-2017 01:48 PM

I got the same issue. My car got 104,000 miles and started leaking on floor. BMW car service replaced alternator gasket last week, which cost $1600 plus. I checked garage floor and saw fresh oil again. Will send the car to the dealer to check again.

Last year I saw similar leak, also at the front. It cost me over $2000 to stop the leak. First they changed the transmission gasket. I drove home and saw oil on floor. I brought the car back and they replaced the transmission pan.

BMW 550i is a great car in terms of driving. But service is so annoying. Don't understand such a great car uses bad material for gasket.

jim165 03-10-2017 02:48 PM

spartanGA mentioned the tranny in these cars.....I had an excellent and lengthy conversation with a master trans technician just today in Dallas that has worked on these units and others from euro cars for 30yrs. I wanted to have him do some preventive maintenance on my tranny since it's been 90k since my last fluid change. He gave me a tour of the shop and was the nicest person! Wouldn't you know it, he had a 6hp26 on his rebuild bench from a Jag that he showed me! I'm having shift flare from 4-5 occasionally. He said, "yep, very common with these Trannys is the 3rd, 4th, and 5th clutches burn out over time". He showed me the clutches from this trans on the table and only the 4th and 5th were noticbly burned. I mean the thing was broken down to the smallest component and I was amazed at the technical details he spoke of for each component. In a nutshell, he said, if the tranny hasn't had at least one service before 100k, expect it to show signs of failure around 110-130k miles. 90% of the time, it's just the valve body that needs rebuilding (he does it in shop with upgraded Sonnax parts) and new mechatronic sleeve and fluid/filter. With my car, he said since I had no codes but occasional slipping, a service may help, but I'd still be looking at a rebuild before 200k miles because there are definitely burnt clutches in mine. Quote was $4500 with 3 day turnaround. I was close to dumping my car just last month when I finally sorted a limp mode problem. Now it drives so awesome, it's paid for and in good condition so I'm in love with it again. As for the tranny rebuild? The car is worthless on the market...considering the money I've put into it so far, I'd probably just pay the $4500 and fix it. Beats going into debt to the tune of $60k for what I really want as a replacement. With regular maintenance, I'll never have to worry about the tranny again. In a nutshell, these cars can break you after 100k miles. Unless you know the history of the car from its early life, assume any V8 E60 for sale at around the 100k mark was dumped by the original owner due to outrageous repairs needed. Sorry for the novel....

Rusty34 03-10-2017 05:20 PM

Quote:

Originally Posted by jim165 (Post 10070354)
... In a nutshell, these cars can break you after 100k miles. Unless you know the history of the car from its early life, assume any V8 E60 for sale at around the 100k mark was dumped by the original owner due to outrageous repairs needed. Sorry for the novel....

Well said and on point jim165! Ive had about the same experience with our 2007 550i. We have been through all the customary oil leaks, strut bushings and cracked pans over the course of the last nine years. Also had another common big issue spartanGA didn't mention yet which is valve stem seal replacement at 110K miles. The 550i's are superbly refined road cars but after 100K some of those sophisticated technologies are ticking time bombs. Other possible E60/N62 issues which I believe are also very expensive to fix; i.e., VANOS, Valvetronics, timing chain guides, and one other big one, the coolant transfer tube in the block.

jim165 03-10-2017 06:15 PM

Quote:

Originally Posted by Rusty34 (Post 10070497)
Well said and on point jim165! Ive had about the same experience with our 2007 550i. We have been through all the customary oil leaks, strut bushings and cracked pans over the course of the last nine years. Also had another common big issue spartanGA didn't mention yet which is valve stem seal replacement at 110K miles. The 550i's are superbly refined road cars but after 100K some of those sophisticated technologies are ticking time bombs. Other possible E60/N62 issues which I believe are also very expensive to fix; i.e., VANOS, Valvetronics, timing chain guides, and one other big one, the coolant transfer tube in the block.

Absolutely right, Rusty. The valve chain guides and Vanos issues thankfully aren't as big a problem with our cars, but those can be avoided by just changing the oil every 7500 or less. If changed that often from the outset of the car's life, the valve stem seals won't need replacing until much later. I haven't done mine yet and it doesn't burn a drop or smoke at 140k miles.....knock wood


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