Ensure a leak-free, mechanically secure installation with this complete, direct-fit timing guide rail hardware and cover sealant bundle.
10X Entries Into Our F80 M3 Sweepstakes
Ensure a leak-free, mechanically secure installation with this complete, direct-fit timing guide rail hardware and cover sealant bundle.
10X Entries Into Our F80 M3 Sweepstakes
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This product was last offered at the strikethrough price on
05-07-2026
Plug removed to inspect the upper timing chain tensioner
2X Entries Into Our F80 M3 Sweepstakes
Direct OE replacement automatic serpentine belt tensioner to eliminate squealing belts, restore proper accessory drive tension, and prevent charging system failures.
Replacement lower timing chain cover with integrated crankshaft seal
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For vehicles with CNSA or CNSB engine code only
This product was last offered at the strikethrough price on
07-20-2026