Replacement is recommend with every belt service
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Replacement is recommend with every belt service
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Keep your BMW’s air conditioning system running at peak efficiency with this dependable.
5X Entries Into Our F80 M3 Sweepstakes
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This replacement mechanical A/C belt tensioner assembly from Febi Bilstein restores the precise, constant tension your accessory drive system requires.
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Eliminate squelling with a brand new accessory belt
5X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
08-25-2026
Includes Accessory Belt System!
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Bosch alternator only
This product was last offered at the strikethrough price on
05-02-2026
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