Is it worth having one of these ?

graham1531

Registered User
its an uprated piston type valve, more reliable the the standard bosch diaphram valve, which are prone to splitting,
 

Broken Byzan

Photographic Moderator
Staff member
Moderator
VCDS Map User
It won't add any performance to your car, just use the TT 710N, it's an OEM uprated version and costs a shade over £20
 
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