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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > (photos) Oil Leak dripping from Down Pipes (Help Pls)



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      09-23-2021, 07:14 PM   #1
n0ah305
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I recently bought a 335i e90 128k miles and the seller told me the car had no oil leaks.. only issue was Fuel Injectors (supposedly)... Besides the 99 other codes I get on the dash... I would like to figure out this oil leak that is causing major puddles and I don't want to run the car dry.. I changed the Fuel Injectors with Index 12s and then I did an Oil Change with Moly Gen Oil. As soon as I did the oil change and started driving the car I started to notice the oil puddle in my drive way. I don't see any oil leaks on top from the Valve Cover or from the oil filter. The Oil Pan also looks fairly clean. The oil seems to drip mainly from the downpipes on the passenger side of the car . The owner said he only had the car for 7 months and didn't do any maintenance except for new turbos. To me it looks like it's coming from the turbo seals but the car doesn't smoke at all. Any ideas ? Should I just drop the sub frame?
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      09-23-2021, 07:18 PM   #2
n0ah305
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Originally Posted by n0ah305 View Post
I recently bought a 335i e90 128k miles and the seller told me the car had no oil leaks.. only issue was Fuel Injectors (supposedly)... Besides the 99 other codes I get on the dash... I would like to figure out this oil leak that is causing major puddles and I don't want to run the car dry.. I changed the Fuel Injectors with Index 12s and then I did an Oil Change with Moly Gen Oil. As soon as I did the oil change and started driving the car I started to notice the oil puddle in my drive way. I don't see any oil leaks on top from the Valve Cover or from the oil filter. The Oil Pan also looks fairly clean. The oil seems to drip mainly from the downpipes on the passenger side of the car . The owner said he only had the car for 7 months and didn't do any maintenance except for new turbos. To me it looks like it's coming from the turbo seals but the car doesn't smoke at all. Any ideas ? Should I just drop the sub frame?
Quote:
Originally Posted by n0ah305 View Post
I recently bought a 335i e90 128k miles and the seller told me the car had no oil leaks.. only issue was Fuel Injectors (supposedly)... Besides the 99 other codes I get on the dash... I would like to figure out this oil leak that is causing major puddles and I don't want to run the car dry.. I changed the Fuel Injectors with Index 12s and then I did an Oil Change with Moly Gen Oil. As soon as I did the oil change and started driving the car I started to notice the oil puddle in my drive way. I don't see any oil leaks on top from the Valve Cover or from the oil filter. The Oil Pan also looks fairly clean. The oil seems to drip mainly from the downpipes on the passenger side of the car . The owner said he only had the car for 7 months and didn't do any maintenance except for new turbos. To me it looks like it's coming from the turbo seals but the car doesn't smoke at all. Any ideas ? Should I just drop the sub frame?
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      09-24-2021, 06:26 AM   #3
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My guess would be from the oil lines at or near the turbos. I think your best option is to clean it very well and drive a little. Then you can pin point.
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