BMW 335i Spark plug check. Do it before You Tune it! Too Hot inside ! 

#mhd #misfire #bmwlovers #335i
Mods for Stage 2 Plus tune and engine health check.
Injen Intake - www.mlperformance.co.uk/produ...
Oil Thermostat - www.mlperformance.co.uk/produ...
Oil Cup - mmrshop.co.uk/products/billet...
Oil Filter Cup - www.mlperformance.co.uk/produ...
Downpipe - www.mlperformance.co.uk/produ...
Intercooler - www.mlperformance.co.uk/produ...
MHD - mhdtuning.com/products/mhd-su...
I recommend to check spark plugs before tune and at some point after.
Check before will tell you condition of the stock engine ( VERY IMPORTANT )
Check after will show how engine can manage increased power and prevent Misfires and Detonation.

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