Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle.
10X Entries Into Our F80 M3 Sweepstakes
Eliminate dangerous boost leaks and permanently fix your engine's most vulnerable vacuum path with this billet check valve and T-housing bundle.
10X Entries Into Our F80 M3 Sweepstakes
Connects the hose connector to the 'T' shaped fitting
For vehicles with AUG or AWM engine code only
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-31-2026
Secures the oil cooler onto the oil filter fitting
Connects the hose connector to the PCV elbow
For vehicles with AUG engine code only
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-05-2026
Keep your engine running efficiently
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For vehicles with AEB engine code only
Seals the oil filter adapter to the engine block
For vehicles with AEB or ATW engine codes only.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-06-2026
Connects the oil filter adapter to the three-way valve housing
For vehicles with AWM engine code only
Located under the intake manifold
2X Entries Into Our F80 M3 Sweepstakes
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AEB, ATW and AUG engine codes only. Also fits AWM engine code up to the 2002 model year only.
Located behind the catalytic converter
For vehicles with ATW, AUG, or AWM engine code only
Connects the secondary air pump to the air box
2X Entries Into Our F80 M3 Sweepstakes
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For vehicles with ATW, AUG, or AWM engine codes only.
Also known as the 'combi valve'
For vehicles with ATW engine code only.
Located under the intake manifold
AEB, ATW and AUG engine codes only. Also fits AWM engine code up to the 2002 model year only.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
05-07-2026
Cleans the air entering the leak detection pump
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This product was last offered at the strikethrough price on
05-07-2026
Connects the oil filter adapter to the three-way valve housing
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For vehicles with AWM engine code only
Allows the combi valve to be mounted on the cylinder head
For vehicles with ATW engine code only
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-13-2026
Used in multiple locations in vacuum system
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!