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2010 E70 X5 - Front of car oil leak

Discuss your latest mods or ideas, and anything to do with the BMW X5 (E70).
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Sm[]key
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2010 E70 X5 - Front of car oil leak

Post by Sm[]key » Sun Mar 01, 2026 3:07 pm

Hi

Been holding this one off since the new year due to poor weather at weekends for a couple of month, had no excuse today to investigate the bad oil leak which has had the car parked up. :cry:

https://photos.app.goo.gl/ZXyDVGnMm9gv8EEZ8

Looks to be coming from the crankshaft pulley. :thumbsdown:

Has anyone come across this before?

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Leslie
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2010 E70 X5 - Front of car oil leak

Post by Leslie » Sun Mar 01, 2026 5:35 pm

With the engine in this is going to be a bit tricky for clearance but yes looks like crank seal :thumbsup: getting something big enough diameter to tap it in should be the only issue after you get the pulley off which i think is a 4 bolt pulley , you changed that before so you know how to get it off.

Sm[]key
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2010 E70 X5 - Front of car oil leak

Post by Sm[]key » Sun Mar 01, 2026 6:20 pm

I'm guessing when the old pulley gave up its mis-balance knackered up the crankshaft seal.

Parts ordered, job for next weekend if they arrive in time. :thumbsup:

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Leslie
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2010 E70 X5 - Front of car oil leak

Post by Leslie » Sun Mar 01, 2026 10:44 pm

Just wear and tear at that miles it did well :thumbsup:

Sm[]key
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2010 E70 X5 - Front of car oil leak

Post by Sm[]key » Sat Mar 14, 2026 7:20 pm

Attempted today, tried the two self tapping screws trick into seal to pull out. Wouldn't budge!

Ordered an overnight seal puller, Amazon job so not holding up much hope!

Sm[]key
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2010 E70 X5 - Front of car oil leak

Post by Sm[]key » Sun Mar 15, 2026 5:40 pm

My faith in Amazon tools was warranted! Snapped one of the puller arms within a couple of minutes of use. The seal didn't move either.....

Need something more heavy duty, and most likely more expensive to buy! :headbang:

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Leslie
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2010 E70 X5 - Front of car oil leak

Post by Leslie » Sun Mar 15, 2026 6:44 pm

Need some bigger screws :rofl: unfortunately the crank is in the way so using some more effective pullers won't work .

This vid they had similar trouble , I wonder would tapping it on in at one point tilt it and make it pop out at the other side to get a grip on and make removal easier


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