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The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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Old 09-11-2019, 06:12 AM
NW-99SS NW-99SS is offline
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Location: Near Fort Kent
 
Join Date: Jul 2010
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Mein Auto: 2009 335xi
The work begins - 2009 335xi Dinan Stage 3

We've had the car for nearly 2 months. Went on a trip to the UK and France in August and come home to a small puddle of oil at the front passenger side of our E90...great, already thinking the worst.

Got the car up on ramps and started to investigate. Take the Dinan oil cooler assembly apart to find the lower AN10 aluminum fitting is cracked and causing the leak. So cleaned everything up, bead blasted the bracket and repainted it with a more robust frame paint, and ordered new AN10 hoses and fittings (should be here tonight).

Since I had the car up, completed an oil change and the CDV delete for our 6 speed manual. I couldn't remove the CDV as the hose was a bit too short, so I removed the restriction in the CDV and reinstalled it, then bled the system.

Next order of business was the headlights. Noticed previously that the driver side quit moving (adaptive), so began to trouble shoot. Unfortunately, I found the covers on both headlights had their seals previously broken, and I could not get either headlight to "reseat" back into the proper functioning position. So I am on the hunt for E90 LC1 Adaptive headlights that won't break the bank...but I'm certain I will have to end up paying retail from Rock Auto. I will do a complete inspection/tear down of the old ones once they are completely removed from the car - I was working from the wheel wells with the liners removed.

Anyway, I enjoy getting to know the cars I own. Did a second inspection and found the oil pan gasket to be fine, no leaks, no sweat...in fact, the rest of the car is very clean underneath which gives me a lot more confidence in the car.
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2009 335xi M6 Sedan

Last edited by NW-99SS; 09-11-2019 at 07:11 AM.
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