I've done this repair.

If you google the part number you might find my post.

Make sure and get the proper xrings. They are not orings. I replaced the xrings and the plastic mounting plate too that was cracked. Pretty simple job.

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2001 E53 4.4 Alpine White, Sports Package
2000 E36/7 2.8 5 speed Bright Red w/ a HT!