Plug removed to inspect the upper timing chain tensioner
Plug removed to inspect the upper timing chain tensioner
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
Stop stretched out chains from creating noise
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with CXBA or CXBB engine code only
This product was last offered at the strikethrough price on
08-07-2026
Plug removed to inspect the upper timing chain tensioner
2X Entries Into Our F80 M3 Sweepstakes
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
Direct OE replacement automatic serpentine belt tensioner to eliminate squealing belts, restore proper accessory drive tension, and prevent charging system failures.