Walker
Walker Products

Walker 235-1678 Engine Camshaft Position Sensor - Intake

Brand Walker 235-1678
Position Intake
Product line Walker Products
Fits BMW · 11 vehicles

OE-standard quality. Built to meet or exceed OEM specifications.

Engine sensor expertise. From a long-time maker of fuel system and engine management parts.

Cross-references Spectra Premium S10535, Standard Ignition PC649 and 5S1403 for the same application. See all 11.

$70.46Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $70.46
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Camshaft Position Sensor for BMW

Walker Products 235-1678 is an engine camshaft position sensor for select BMW applications with intake-side fitment. It is built for accurate engine management signal input and direct replacement service on covered BMW Z3, BMW M3, and BMW Z4 models.

Key Features

  • Engine camshaft position sensor for intake position applications
  • Fits 2001-2006 BMW M3, intake
  • Fits 2001-2002 BMW Z3, intake
  • Fits 2006-2008 BMW Z4, intake
  • Walker Products 235-1678 for BMW camshaft sensor replacement
  • Cross-references Standard Ignition PC649 and Spectra Premium S10535 for the same application

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Products line includes engine sensors such as camshaft and crankshaft sensors, and this part number, 235-1678, is part of that broader engine management offering. For buyers searching for a BMW M3 intake camshaft position sensor, BMW Z3 intake camshaft position sensor, or BMW Z4 intake camshaft position sensor, this part provides a direct-fit replacement option for the listed vehicles.

Common Issues This Sensor May Address

  • Hard starting caused by an inaccurate camshaft signal
  • Intermittent stalling related to cam timing input loss
  • Check engine light concerns tied to camshaft position sensor faults
  • Rough idle or drivability issues from inconsistent engine timing data
  • Misfire or synchronization problems when the intake cam signal is not reliable

Installation Notes and Tips

Verify the vehicle year, model, and intake position before ordering. Compare the original sensor connector and mounting style to the replacement part number 235-1678. After installation, clear diagnostic trouble codes and confirm proper engine operation with a scan tool.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and manufactures engine sensors to meet or exceed OEM standards and specifications. The company also supports product accuracy with engineering, application data, and technical support.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2008BMWZ43.2LL6IntakeWalker Products
2007BMWZ43.2LL6IntakeWalker Products
2006BMWM33.2LL6IntakeWalker Products
2006BMWZ43.2LL6IntakeWalker Products
2005BMWM33.2LL6IntakeWalker Products
2004BMWM33.2LL6IntakeWalker Products
2003BMWM33.2LL6IntakeWalker Products
2002BMWM33.2LL6IntakeWalker Products
2002BMWZ33.2LL6IntakeWalker Products
2001BMWM33.2LL6IntakeWalker Products
2001BMWZ33.2LL6IntakeWalker Products
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — S10535Standard Ignition — PC6495S140312 14 7 539 17112 14 7 830 9861214753917112147830986CSS1149CSS1649EC0070SU6439