En­gine man­age­ment

The Siemens man­age­ment sys­tem used on this BMW 1-Se­ries in­cor­po­rates these pri­mary com­po­nents:

Car Mechanics (UK) - - Electronic Diagnostics -

4 x pen­cil ig­ni­tion coils 4 x fuel in­jec­tors Twin oxy­gen sen­sors A sin­gle knock sen­sor MAF sen­sor built into air fil­ter trunk­ing Fly-by-wire throt­tle body Fly-by-wire throt­tle pedal Map sen­sor mounted in in­let Oil pres­sure sen­sor mounted in block AGM bat­tery Dig­i­tal cam and crank sen­sor VANOS sys­tem for valve lift In­let and out­let cam sen­sor mounted on camshafts Ser­vice data ac­cessed via dash dis­play Oil level mon­i­tored via dash dis­play Bat­tery mon­i­tor­ing via neg­a­tive ter­mi­nal

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