SKU: 0242145515
Bosch Suppressed Spark Plug ZR5TPP33 for BMW 3 Series 1992-1999
The Bosch ZR5TPP33 is a suppressed spark plug engineered for BMW 3 Series models from 1992 to 1999 including 318i 318is 325i 325is 328i 328is M3 and Z3. It features platinum electrodes and a 3 kOhm resistor to minimize electromagnetic interference while providing consistent spark for responsive engine performance. Drivers experience fewer misfires and better fuel efficiency in daily or performance driving.
Key Features
- 3 kOhm Suppressed Resistor: Blocks radio frequency interference protecting vehicle electronics and audio systems
- Platinum Center Electrode: Fine-wire design wears slower extending plug life up to 100000 miles
- Platinum Ground Electrode: Enhances spark focus for complete combustion and power gains
- Copper Core: Rapid heat transfer prevents pre-ignition in high-performance BMW engines
- Pre-Set Gap 1.0mm: Exact factory specification ensures immediate plug-and-play fit without adjustments
Product Notes
- Sold as single plug replace all four or six in set for best results
- Inspect ignition coils during replacement for full system reliability
- Packaged in protective cardboard box prevents damage in transit
Installation Notes
- Professional installation recommended.
- Torque to 18-23 ft-lbs using torque wrench avoid over-tightening
- Apply anti-seize compound to threads compatible with aluminum heads
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1992-1995 | BMW | 325i | Base |
| 1992-1995 | BMW | 325is | Base |
| 1996-1999 | BMW | 318i | Base |
| 1996-1999 | BMW | 318is | Base |
| 1996-1999 | BMW | 328i | Base |
| 1996-1999 | BMW | 328is | Base |
| 1995-1999 | BMW | M3 | Base |
| 1996-1999 | BMW | Z3 | 2.3 2.5 2.8 3.0 |
Why Choose Bosch?
- Original equipment supplier for BMW ensuring exact match specifications
- Advanced materials withstand high heat and stress in performance engines
- Precision manufacturing with laser-welded electrodes for consistent firing
Frequently Asked Questions
- Q: Does this spark plug fit 1998 BMW 328i E36?
- A: Yes direct OEM replacement for 1996-1999 BMW 328i 328is with M52 engine 14mm thread 26.5mm reach
- Q: What electrode material is used?
- A: Platinum on both center and ground electrodes provides erosion resistance and reliable spark over long intervals
- Q: What warranty coverage applies?
- A: Bosch provides limited lifetime warranty against manufacturing defects when installed properly
Shipping & Handling
- Method: UPS Ground USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Retail box 3.5 x 1.5 x 1.5 inches
- Weight: 0.13 lbs
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