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I'm a newbie here and still not able to post my own threads but I am wondering about the correct front strut lengths on BMW F30 320d x-drive. I'm in the process of replacing my factory fitted units with Bilsteins. I only wanted B4 OEM grade (avoiding insurance complications) but the units supplied by AutoDoc are 45mm longer than the originals and won't fit under the wheel arch without disconnecting the front wheel drive hub unit from the drive shaft. AutoDoc now says there are no B4 equivalents and have suggested a B6 option. I'm on axle stands trying to decide what to do. Here is what I have been supplied so far:
Front Left: B4: 22-238269
Front Right: B4: 22-238276
Rear Left & Right: B4: 19-220093
AutoDoc are suggesting:
Front Left: B6 35-264583 (OEN: 31 31 6 874 373)
Front Right: B6: 35-264590 (OEN: 31 31 6 874 374)
Rear B6: 24-264570 (OEN: 33 52 6 874 377)
My existing factory units have the following OENs:
Front Left: 31 31 6 791 553-03
Front Right: 31 31 6 791 554-03
Rear: 33 52 6 868 654-01
My OENs appear on the AutoDoc website for BOTH the B4 and the B6 so I am lacking in confidence that the B6 will be aby different. I have asked AutoDoc for the dimensions. No reply so far. Just asked Bilstein the same question. They are promising an answer but my feeling is that there is a major error in the Bilstein database. I measure 134mm from top of body the shoulder on the original front struts and the B4 struts measure 179mm. Not even close. Any thoughts?
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