Anyone vouch for quality of "LUK" parts...?

[RobPatt]

BMA has a LUK brand tensioner.
Anyone know if it's = 2 lemforder quality ?
Anyone know it it'll fit a '93 M50 TU vin ending in BJ90104?

"Seems" OEM equiv...not sure if same as www.lukclutch.com..... ?

----------from BMA------------
Item Number: BMW056897
Main Category: BMW
Sub Category: ENGINE
Qualifier: 525I M50 (E34) 1990 - 1996
Description: Belt Tensioner Pulley
Mechanical Tensioner for Water Pump
/Alternator Belt.
*** Roller & Tensioner Assembly ***
Manufacturer: LUK
List Price: $71.00
Your Price: $ 41.64
Core Price:
Weight: 2.180
Per Car Qty: 1
Quantity Available: 146
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Thanks, happy motoring and everything else in life for 2006 !