525i wagon

Asked by Jun 12, 2010 at 09:22 AM about the BMW 5 Series

Question type: Shopping & Pricing

Considering purchase of at 260k miles. All the noted usual parts (on line) I have read about, have been repaired. All vehicle repair tickets from day one. Oil leak (engine) at front passenger side. Lands on AC and can see approx 2 thimbles worth on top of AC. Not reaching wheel well or eating belts. Owner says it's been doing it for last 40k (the length of time he has had car) with no increase in leak. Tail pipe is medium to dark black but no signs of water. 80% of driving is in town. Owner seems very knowlegeable and competent and has done all repairs during last 40k. Car shows lifetime excellent maintence. Owner does not know what problem is. Covers do not allow observation of possible sources. No water in oil, and oil is 2k old, and nothing in coolant. What is the most likely problem and fix, and what is the worst possible?

2 Answers

2,245

The cam cover seal around the spark plug opening is the most likely source of leak and this is a very common problem. This may eventually lead to misfire, thus throwing "codes" but is not always the case. Removing the plastic cover to inspect the area is the easiest way to confirm the problem. Replacing the cam cover seal will then fix the problem.

575

Would help if you listed the model year or chassis type, but listen to Vince. Removing the engine covers is hardly any work and definitely worth the trouble for any information you may find!

Your Answer

Get More Money for Your Car
Be seen by 20 million shoppers. Create Your Free Listing

BMW 5 Series Experts

  • #1
    Tom Demyan
    Reputation
    2,150
  • #2
    Michael Branan
    Reputation
    800
  • #3
    Robert Charlson
    Reputation
    690
View All

Related Models For Sale

Used BMW 3 Series
1,114 Great Deals out of 32,620 listings starting at $1,200
Used BMW 7 Series
128 Great Deals out of 5,119 listings starting at $1,750
Used Mercedes-Benz E-Class
713 Great Deals out of 22,801 listings starting at $1,450
Used BMW X5
337 Great Deals out of 15,595 listings starting at $2,400
Used BMW 6 Series
73 Great Deals out of 2,445 listings starting at $5,995
Used Mercedes-Benz C-Class
904 Great Deals out of 28,407 listings starting at $2,001
Used BMW M5
13 Great Deals out of 559 listings starting at $10,000
Used BMW 4 Series
258 Great Deals out of 9,066 listings starting at $15,888
Used Audi A6
192 Great Deals out of 7,594 listings starting at $1,800
Used Mercedes-Benz S-Class
152 Great Deals out of 8,129 listings starting at $1,200
Used BMW M3
33 Great Deals out of 2,084 listings starting at $5,495
Used Honda Accord
1,117 Great Deals out of 72,446 listings starting at $1,100
Used Mercedes-Benz CLS-Class
84 Great Deals out of 2,343 listings starting at $3,500
Used Audi A4
338 Great Deals out of 12,429 listings starting at $1,899
Used BMW X6
44 Great Deals out of 1,881 listings starting at $13,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.